From 7a2d761a7d06140ceda5ec267eadd7bd7068ba18 Mon Sep 17 00:00:00 2001
From: Svyatoslav Scherbina <svyatoslav.scherbina@jetbrains.com>
Date: Thu, 1 Mar 2018 17:06:23 +0300
Subject: [PATCH] Add minor improvements to psi2ir and IR utilities:

* Generate missing IR parameter declarations in external stubs
* Use origin = FAKE_OVERRIDE in external IR stubs for fake overrides
* Set .parent in external IR stubs
* Set .parent in IR generated by some utility methods
---
 .../kotlin/backend/common/ir/IrUtils.kt       |    1 +
 .../org/jetbrains/kotlin/ir/util/IrUtils.kt   |    8 +-
 .../kotlin/ir/descriptors/IrBuiltIns.kt       |    1 +
 .../ir/util/DeclarationStubGenerator.kt       |   25 +-
 .../ir/util/ExternalDependenciesGenerator.kt  |    2 +-
 .../ir/irText/classes/abstractMembers.txt     |   12 +-
 ...tReorderingInDelegatingConstructorCall.txt |    6 +-
 .../ir/irText/classes/classMembers.txt        |   24 +-
 .../testData/ir/irText/classes/classes.txt    |   42 +-
 .../ir/irText/classes/companionObject.txt     |   24 +-
 .../classes/dataClassWithArrayMembers.txt     |   18 +-
 .../ir/irText/classes/dataClasses.txt         |   18 +-
 .../ir/irText/classes/dataClassesGeneric.txt  |    6 +-
 .../classes/delegatedImplementation.txt       |   12 +-
 ...atedImplementationWithExplicitOverride.txt |    6 +-
 ...gConstructorCallToTypeAliasConstructor.txt |    6 +-
 ...onstructorCallsInSecondaryConstructors.txt |    6 +-
 compiler/testData/ir/irText/classes/enum.txt  |   90 +-
 .../irText/classes/enumWithSecondaryCtor.txt  |   54 +-
 .../testData/ir/irText/classes/initBlock.txt  |   36 +-
 .../testData/ir/irText/classes/initVal.txt    |   18 +-
 .../testData/ir/irText/classes/initVar.txt    |   36 +-
 .../testData/ir/irText/classes/innerClass.txt |   12 +-
 .../innerClassWithDelegatingConstructor.txt   |   12 +-
 .../lambdaInDataClassDefaultParameter.txt     |   18 +-
 .../ir/irText/classes/localClasses.txt        |    6 +-
 .../classes/objectLiteralExpressions.txt      |   18 +-
 .../irText/classes/objectWithInitializers.txt |    6 +-
 .../ir/irText/classes/outerClassAccess.txt    |   18 +-
 .../ir/irText/classes/primaryConstructor.txt  |   18 +-
 ...aryConstructorWithSuperConstructorCall.txt |    6 +-
 .../ir/irText/classes/qualifiedSuperCalls.txt |   12 +-
 .../ir/irText/classes/sealedClasses.txt       |    6 +-
 ...nstructorWithInitializersFromClassBody.txt |    6 +-
 .../irText/classes/secondaryConstructors.txt  |    6 +-
 .../testData/ir/irText/classes/superCalls.txt |    6 +-
 .../declarations/classLevelProperties.txt     |    6 +-
 .../declarations/delegatedProperties.txt      |    6 +-
 .../declarations/extensionProperties.txt      |    6 +-
 .../ir/irText/declarations/fakeOverrides.txt  |   18 +-
 .../declarations/interfaceProperties.txt      |    6 +-
 .../declarations/localClassWithOverrides.txt  |    6 +-
 ...lDelegatedPropertyWithSuspendOperators.txt |    6 +-
 .../multiplatform/expectClassInherited.txt    |   12 +-
 .../multiplatform/expectedEnumClass.txt       |   36 +-
 .../multiplatform/expectedSealedClass.txt     |   12 +-
 .../irText/declarations/parameters/class.txt  |   30 +-
 .../declarations/parameters/constructor.txt   |   30 +-
 .../parameters/dataClassMembers.txt           |    6 +-
 .../parameters/defaultPropertyAccessors.txt   |   12 +-
 .../parameters/delegatedMembers.txt           |    6 +-
 .../ir/irText/declarations/parameters/fun.txt |    6 +-
 .../parameters/genericInnerClass.txt          |   12 +-
 .../parameters/propertyAccessors.txt          |    6 +-
 .../primaryCtorDefaultArguments.txt           |    6 +-
 .../declarations/primaryCtorProperties.txt    |    6 +-
 .../provideDelegate/differentReceivers.txt    |    6 +-
 .../declarations/provideDelegate/local.txt    |   12 +-
 .../localDifferentReceivers.txt               |    6 +-
 .../declarations/provideDelegate/member.txt   |   18 +-
 .../provideDelegate/memberExtension.txt       |   12 +-
 .../declarations/provideDelegate/topLevel.txt |   12 +-
 .../ir/irText/declarations/typeAlias.txt      |    6 +-
 .../irText/errors/suppressedNonPublicCall.txt |    6 +-
 .../expressions/arrayAugmentedAssignment1.txt |    6 +-
 .../expressions/arrayAugmentedAssignment2.txt |   12 +-
 .../ir/irText/expressions/assignments.txt     |    6 +-
 .../expressions/augmentedAssignment2.txt      |    6 +-
 .../augmentedAssignmentWithExpression.txt     |    6 +-
 .../expressions/boundCallableReferences.txt   |    6 +-
 .../callableRefToGenericMember.txt            |    6 +-
 .../callableReferenceToImportedFromObject.txt |    6 +-
 .../expressions/castToTypeParameter.txt       |    6 +-
 .../irText/expressions/chainOfSafeCalls.txt   |    6 +-
 .../ir/irText/expressions/classReference.txt  |    6 +-
 .../complexAugmentedAssignment.txt            |   30 +-
 .../ir/irText/expressions/contructorCall.txt  |    6 +-
 .../expressions/conventionComparisons.txt     |   12 +-
 .../ir/irText/expressions/destructuring1.txt  |   12 +-
 .../destructuringWithUnderscore.txt           |   12 +-
 .../expressions/enumEntryAsReceiver.txt       |   18 +-
 .../extFunInvokeAsFun__builtinsmodule.txt     |   13 +-
 ...ParameterWithPrimitiveNumericSupertype.txt |    6 +-
 .../expressions/forWithImplicitReceivers.txt  |   18 +-
 .../implicitCastToTypeParameter.txt           |    6 +-
 .../irText/expressions/interfaceThisRef.txt   |    6 +-
 .../expressions/jvmInstanceFieldReference.txt |    6 +-
 .../expressions/jvmStaticFieldReference.txt   |    6 +-
 .../ir/irText/expressions/kt16904.txt         |   18 +-
 .../ir/irText/expressions/kt16905.txt         |   12 +-
 .../ir/irText/expressions/kt23030.txt         |    6 +-
 .../expressions/membersImportedFromObject.txt |    6 +-
 .../expressions/multipleThisReferences.txt    |   18 +-
 .../irText/expressions/objectAsCallable.txt   |   24 +-
 .../expressions/objectClassReference.txt      |    6 +-
 .../outerClassInstanceReference.txt           |   12 +-
 .../primitivesImplicitConversions.txt         |    6 +-
 .../irText/expressions/reflectionLiterals.txt |    6 +-
 .../ir/irText/expressions/safeAssignment.txt  |    6 +-
 .../safeCallWithIncrementDecrement.txt        |    6 +-
 .../ir/irText/expressions/safeCalls.txt       |   12 +-
 .../expressions/setFieldWithImplicitCast.txt  |    6 +-
 .../smartCastsWithDestructuring.txt           |   12 +-
 .../expressions/thisOfGenericOuterClass.txt   |   12 +-
 .../ir/irText/expressions/typeOperators.txt   |    6 +-
 .../expressions/typeParameterClassLiteral.txt |    6 +-
 .../testData/ir/irText/expressions/values.txt |   36 +-
 .../testData/ir/irText/expressions/when.txt   |    6 +-
 .../irText/lambdas/destructuringInLambda.txt  |    6 +-
 .../lambdas/multipleImplicitReceivers.txt     |   24 +-
 .../irText/regressions/integerCoercionToT.txt |    6 +-
 .../newInference/fixationOrder1.txt           |    6 +-
 .../typeAliasCtorForGenericClass.txt          |    6 +-
 .../ir/irText/singletons/companion.txt        |   12 +-
 .../ir/irText/singletons/enumEntry.txt        |   24 +-
 .../testData/ir/irText/singletons/object.txt  |   12 +-
 .../stubs/builtinMap__builtinsmodule.txt      |  124 +-
 .../builtinMap__dependenciesoftestmodule.txt  | 1967 ++++++++++-------
 .../ir/irText/stubs/javaEnum__testmodule.txt  |   28 +-
 .../ir/irText/stubs/javaInnerClass.txt        |    8 +-
 .../stubs/javaInnerClass__builtinsmodule.txt  |   10 +-
 .../stubs/javaInnerClass__testmodule.txt      |   41 +-
 .../irText/stubs/javaMethod__testmodule.txt   |   13 +-
 .../stubs/javaNestedClass__testmodule.txt     |   23 +-
 .../stubs/javaStaticMethod__testmodule.txt    |   10 +-
 .../kotlinInnerClass__builtinsmodule.txt      |   10 +-
 .../irText/stubs/simple__builtinsmodule.txt   |  218 +-
 127 files changed, 2293 insertions(+), 1613 deletions(-)

diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/IrUtils.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/IrUtils.kt
index d00f69f7571..72eb82e87dd 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/IrUtils.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/IrUtils.kt
@@ -113,6 +113,7 @@ fun IrClass.addSimpleDelegatingConstructor(superConstructorSymbol: IrConstructor
                 )
         )
 
+        constructor.parent = this
         this.declarations.add(constructor)
     }
 }
diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/ir/util/IrUtils.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/ir/util/IrUtils.kt
index e88139a873d..7336b488ffe 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/ir/util/IrUtils.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/ir/util/IrUtils.kt
@@ -126,7 +126,9 @@ fun IrFunction.createParameterDeclarations() {
             innerStartOffset(this), innerEndOffset(this),
             IrDeclarationOrigin.DEFINED,
             this
-    )
+    ).also {
+        it.parent = this@createParameterDeclarations
+    }
 
     dispatchReceiverParameter = descriptor.dispatchReceiverParameter?.irValueParameter()
     extensionReceiverParameter = descriptor.extensionReceiverParameter?.irValueParameter()
@@ -140,7 +142,9 @@ fun IrFunction.createParameterDeclarations() {
                 innerStartOffset(it), innerEndOffset(it),
                 IrDeclarationOrigin.DEFINED,
                 it
-        )
+        ).also { typeParameter ->
+            typeParameter.parent = this
+        }
     }
 }
 
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/descriptors/IrBuiltIns.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/descriptors/IrBuiltIns.kt
index 64f33582fd1..79640e2b751 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/descriptors/IrBuiltIns.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/descriptors/IrBuiltIns.kt
@@ -55,6 +55,7 @@ class IrBuiltIns(val builtIns: KotlinBuiltIns) {
     private fun addStubToPackageFragment(descriptor: SimpleFunctionDescriptor): IrSimpleFunction {
         val irSimpleFunction = stubBuilder.generateFunctionStub(descriptor)
         irBuiltInsExternalPackageFragment.declarations.add(irSimpleFunction)
+        irSimpleFunction.parent = irBuiltInsExternalPackageFragment
         return irSimpleFunction
     }
 
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/DeclarationStubGenerator.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/DeclarationStubGenerator.kt
index 1a1c4f0df84..185d0167e5a 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/DeclarationStubGenerator.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/DeclarationStubGenerator.kt
@@ -71,20 +71,34 @@ class DeclarationStubGenerator(
         }
 
     fun generateFunctionStub(descriptor: FunctionDescriptor): IrSimpleFunction =
-        symbolTable.declareSimpleFunctionWithOverrides(UNDEFINED_OFFSET, UNDEFINED_OFFSET, origin, descriptor.original).also { irFunction ->
+        symbolTable.declareSimpleFunctionWithOverrides(
+            UNDEFINED_OFFSET, UNDEFINED_OFFSET,
+            if (descriptor.kind == CallableMemberDescriptor.Kind.FAKE_OVERRIDE) {
+                IrDeclarationOrigin.FAKE_OVERRIDE
+            } else {
+                origin
+            },
+            descriptor.original
+        ).also { irFunction ->
             generateTypeParameterStubs(descriptor.typeParameters, irFunction)
-            generateValueParametersStubs(descriptor.valueParameters, irFunction)
+            generateValueParametersStubs(irFunction)
         }
 
     private fun generateConstructorStub(descriptor: ClassConstructorDescriptor): IrConstructor =
         symbolTable.declareConstructor(UNDEFINED_OFFSET, UNDEFINED_OFFSET, origin, descriptor.original).also { irConstructor ->
-            generateValueParametersStubs(descriptor.valueParameters, irConstructor)
+            generateValueParametersStubs(irConstructor)
         }
 
-    private fun generateValueParametersStubs(valueParameters: Collection<ValueParameterDescriptor>, function: IrFunction) {
-        valueParameters.mapTo(function.valueParameters) { generateValueParameterStub(it) }
+    private fun generateValueParametersStubs(function: IrFunction) {
+        val descriptor = function.descriptor
+        function.dispatchReceiverParameter = descriptor.dispatchReceiverParameter?.generateReceiverParameterStub()
+        function.extensionReceiverParameter = descriptor.extensionReceiverParameter?.generateReceiverParameterStub()
+        descriptor.valueParameters.mapTo(function.valueParameters) { generateValueParameterStub(it) }
     }
 
+    private fun ReceiverParameterDescriptor.generateReceiverParameterStub(): IrValueParameter =
+        IrValueParameterImpl(UNDEFINED_OFFSET, UNDEFINED_OFFSET, origin, this)
+
     private fun generateValueParameterStub(descriptor: ValueParameterDescriptor): IrValueParameter =
         IrValueParameterImpl(UNDEFINED_OFFSET, UNDEFINED_OFFSET, origin, descriptor).also { irValueParameter ->
             if (descriptor.declaresDefaultValue()) {
@@ -108,6 +122,7 @@ class DeclarationStubGenerator(
             }
 
             generateTypeParameterStubs(descriptor.declaredTypeParameters, irClass)
+            irClass.thisReceiver = descriptor.thisAsReceiverParameter.generateReceiverParameterStub()
             generateChildStubs(descriptor.constructors, irClass)
             generateMemberStubs(descriptor.defaultType.memberScope, irClass)
             generateMemberStubs(descriptor.staticScope, irClass)
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/ExternalDependenciesGenerator.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/ExternalDependenciesGenerator.kt
index 3e7f14b195e..29fe0e85d47 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/ExternalDependenciesGenerator.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/ExternalDependenciesGenerator.kt
@@ -52,6 +52,6 @@ class ExternalDependenciesGenerator(val symbolTable: SymbolTable, val irBuiltIns
             topLevelDescriptors.mapTo(irExternalPackageFragment.declarations) {
                 stubGenerator.generateMemberStub(it)
             }
-        }
+        }.patchDeclarationParents()
 
 }
\ No newline at end of file
diff --git a/compiler/testData/ir/irText/classes/abstractMembers.txt b/compiler/testData/ir/irText/classes/abstractMembers.txt
index d67319c3cb5..532dc2d8702 100644
--- a/compiler/testData/ir/irText/classes/abstractMembers.txt
+++ b/compiler/testData/ir/irText/classes/abstractMembers.txt
@@ -20,16 +20,16 @@ FILE fqName:<root> fileName:/abstractMembers.kt
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS INTERFACE name:Interface modality:ABSTRACT visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Interface flags:
@@ -48,15 +48,15 @@ FILE fqName:<root> fileName:/abstractMembers.kt
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/classes/argumentReorderingInDelegatingConstructorCall.txt b/compiler/testData/ir/irText/classes/argumentReorderingInDelegatingConstructorCall.txt
index 6f1429fce78..e7ae9113605 100644
--- a/compiler/testData/ir/irText/classes/argumentReorderingInDelegatingConstructorCall.txt
+++ b/compiler/testData/ir/irText/classes/argumentReorderingInDelegatingConstructorCall.txt
@@ -31,16 +31,16 @@ FILE fqName:<root> fileName:/argumentReorderingInDelegatingConstructorCall.kt
               receiver: GET_VAR 'this@Base: Base' type=Base origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Test1 modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test1 flags:
diff --git a/compiler/testData/ir/irText/classes/classMembers.txt b/compiler/testData/ir/irText/classes/classMembers.txt
index 41cd70f6844..cb3b25ab2c7 100644
--- a/compiler/testData/ir/irText/classes/classMembers.txt
+++ b/compiler/testData/ir/irText/classes/classMembers.txt
@@ -107,16 +107,16 @@ FILE fqName:<root> fileName:/classMembers.kt
             message: CONST String type=kotlin.String value=4
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     CLASS INTERFACE name:NestedInterface modality:ABSTRACT visibility:public flags:
       $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:C.NestedInterface flags:
@@ -132,16 +132,16 @@ FILE fqName:<root> fileName:/classMembers.kt
               $this: GET_VAR 'this@NestedInterface: NestedInterface' type=C.NestedInterface origin=null
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     CLASS OBJECT name:Companion modality:FINAL visibility:public flags:companion
       $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:C.Companion flags:
@@ -153,28 +153,28 @@ FILE fqName:<root> fileName:/classMembers.kt
           INSTANCE_INITIALIZER_CALL classDescriptor='companion object of C'
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/classes/classes.txt b/compiler/testData/ir/irText/classes/classes.txt
index b8236072135..4c2d9457662 100644
--- a/compiler/testData/ir/irText/classes/classes.txt
+++ b/compiler/testData/ir/irText/classes/classes.txt
@@ -9,16 +9,16 @@ FILE fqName:<root> fileName:/classes.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='TestClass'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS INTERFACE name:TestInterface modality:ABSTRACT visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:TestInterface flags:
@@ -26,16 +26,16 @@ FILE fqName:<root> fileName:/classes.kt
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS OBJECT name:TestObject modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:TestObject flags:
@@ -47,16 +47,16 @@ FILE fqName:<root> fileName:/classes.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='TestObject'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS ANNOTATION_CLASS name:TestAnnotationClass modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:TestAnnotationClass flags:
@@ -64,16 +64,16 @@ FILE fqName:<root> fileName:/classes.kt
       CLASS IR_EXTERNAL_DECLARATION_STUB INTERFACE name:Annotation modality:ABSTRACT visibility:public flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS ENUM_CLASS name:TestEnumClass modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:TestEnumClass flags:
@@ -86,43 +86,43 @@ FILE fqName:<root> fileName:/classes.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='TestEnumClass'
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<TestEnumClass>) returnType:Any flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnumClass> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<TestEnumClass>) returnType:Unit flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnumClass> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnumClass>) returnType:(java.lang.Class<(TestEnumClass..TestEnumClass?)>..java.lang.Class<(TestEnumClass..TestEnumClass?)>?) flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnumClass> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnumClass>, other:TestEnumClass) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnumClass> flags:
       VALUE_PARAMETER name:other index:0 type:TestEnumClass flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnumClass>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnumClass> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnumClass>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnumClass> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnumClass>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnumClass> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnumClass>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnumClass> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<TestEnumClass>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<E>) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnumClass> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<TestEnumClass> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
diff --git a/compiler/testData/ir/irText/classes/companionObject.txt b/compiler/testData/ir/irText/classes/companionObject.txt
index bb7080161f6..615202401c9 100644
--- a/compiler/testData/ir/irText/classes/companionObject.txt
+++ b/compiler/testData/ir/irText/classes/companionObject.txt
@@ -17,29 +17,29 @@ FILE fqName:<root> fileName:/companionObject.kt
           INSTANCE_INITIALIZER_CALL classDescriptor='companion object of Test1'
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Test2 modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test2 flags:
@@ -59,28 +59,28 @@ FILE fqName:<root> fileName:/companionObject.kt
           INSTANCE_INITIALIZER_CALL classDescriptor='companion object of Test2Named'
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/classes/dataClassWithArrayMembers.txt b/compiler/testData/ir/irText/classes/dataClassWithArrayMembers.txt
index 3f415ac1c7f..0d51685f464 100644
--- a/compiler/testData/ir/irText/classes/dataClassWithArrayMembers.txt
+++ b/compiler/testData/ir/irText/classes/dataClassWithArrayMembers.txt
@@ -212,7 +212,7 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
             doubleArray: GET_VAR 'value-parameter doubleArray: DoubleArray = ...' type=kotlin.DoubleArray origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:Test1) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:Test1 flags:
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='toString(): String'
@@ -265,7 +265,7 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
             CONST String type=kotlin.String value=)
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:Test1) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:Test1 flags:
       BLOCK_BODY
         VAR IR_TEMPORARY_VARIABLE name:tmp0_result type:kotlin.Int flags:var
@@ -342,7 +342,7 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
           GET_VAR 'tmp0_result: Int' type=kotlin.Int origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:Test1, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:Test1 flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       BLOCK_BODY
@@ -497,7 +497,7 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
             genericArray: GET_VAR 'value-parameter genericArray: Array<T> = ...' type=kotlin.Array<T> origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:Test2<T>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:Test2<T> flags:
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='toString(): String'
@@ -510,7 +510,7 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
             CONST String type=kotlin.String value=)
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:Test2<T>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:Test2<T> flags:
       BLOCK_BODY
         VAR IR_TEMPORARY_VARIABLE name:tmp0_result type:kotlin.Int flags:var
@@ -523,7 +523,7 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
           GET_VAR 'tmp0_result: Int' type=kotlin.Int origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:Test2<T>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:Test2<T> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       BLOCK_BODY
@@ -594,7 +594,7 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
             anyArrayN: GET_VAR 'value-parameter anyArrayN: Array<Any>? = ...' type=kotlin.Array<kotlin.Any>? origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:Test3) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:Test3 flags:
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='toString(): String'
@@ -607,7 +607,7 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
             CONST String type=kotlin.String value=)
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:Test3) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:Test3 flags:
       BLOCK_BODY
         VAR IR_TEMPORARY_VARIABLE name:tmp0_result type:kotlin.Int flags:var
@@ -631,7 +631,7 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
           GET_VAR 'tmp0_result: Int' type=kotlin.Int origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:Test3, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:Test3 flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       BLOCK_BODY
diff --git a/compiler/testData/ir/irText/classes/dataClasses.txt b/compiler/testData/ir/irText/classes/dataClasses.txt
index 5d55d70f9a9..177d936793f 100644
--- a/compiler/testData/ir/irText/classes/dataClasses.txt
+++ b/compiler/testData/ir/irText/classes/dataClasses.txt
@@ -80,7 +80,7 @@ FILE fqName:<root> fileName:/dataClasses.kt
             z: GET_VAR 'value-parameter z: Any = ...' type=kotlin.Any origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:Test1) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:Test1 flags:
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='toString(): String'
@@ -100,7 +100,7 @@ FILE fqName:<root> fileName:/dataClasses.kt
             CONST String type=kotlin.String value=)
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:Test1) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:Test1 flags:
       BLOCK_BODY
         VAR IR_TEMPORARY_VARIABLE name:tmp0_result type:kotlin.Int flags:var
@@ -129,7 +129,7 @@ FILE fqName:<root> fileName:/dataClasses.kt
           GET_VAR 'tmp0_result: Int' type=kotlin.Int origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:Test1, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:Test1 flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       BLOCK_BODY
@@ -220,7 +220,7 @@ FILE fqName:<root> fileName:/dataClasses.kt
             x: GET_VAR 'value-parameter x: Any? = ...' type=kotlin.Any? origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:Test2) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:Test2 flags:
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='toString(): String'
@@ -232,7 +232,7 @@ FILE fqName:<root> fileName:/dataClasses.kt
             CONST String type=kotlin.String value=)
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:Test2) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:Test2 flags:
       BLOCK_BODY
         VAR IR_TEMPORARY_VARIABLE name:tmp0_result type:kotlin.Int flags:var
@@ -256,7 +256,7 @@ FILE fqName:<root> fileName:/dataClasses.kt
           GET_VAR 'tmp0_result: Int' type=kotlin.Int origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:Test2, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:Test2 flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       BLOCK_BODY
@@ -393,7 +393,7 @@ FILE fqName:<root> fileName:/dataClasses.kt
             df: GET_VAR 'value-parameter df: Float? = ...' type=kotlin.Float? origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:Test3) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:Test3 flags:
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='toString(): String'
@@ -417,7 +417,7 @@ FILE fqName:<root> fileName:/dataClasses.kt
             CONST String type=kotlin.String value=)
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:Test3) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:Test3 flags:
       BLOCK_BODY
         VAR IR_TEMPORARY_VARIABLE name:tmp0_result type:kotlin.Int flags:var
@@ -476,7 +476,7 @@ FILE fqName:<root> fileName:/dataClasses.kt
           GET_VAR 'tmp0_result: Int' type=kotlin.Int origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:Test3, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:Test3 flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       BLOCK_BODY
diff --git a/compiler/testData/ir/irText/classes/dataClassesGeneric.txt b/compiler/testData/ir/irText/classes/dataClassesGeneric.txt
index 797f39f8e73..e17f40a1393 100644
--- a/compiler/testData/ir/irText/classes/dataClassesGeneric.txt
+++ b/compiler/testData/ir/irText/classes/dataClassesGeneric.txt
@@ -40,7 +40,7 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
             x: GET_VAR 'value-parameter x: T = ...' type=T origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:Test1<T>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:Test1<T> flags:
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='toString(): String'
@@ -52,7 +52,7 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
             CONST String type=kotlin.String value=)
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:Test1<T>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:Test1<T> flags:
       BLOCK_BODY
         VAR IR_TEMPORARY_VARIABLE name:tmp0_result type:kotlin.Int flags:var
@@ -78,7 +78,7 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
           GET_VAR 'tmp0_result: Int' type=kotlin.Int origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:Test1<T>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:Test1<T> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       BLOCK_BODY
diff --git a/compiler/testData/ir/irText/classes/delegatedImplementation.txt b/compiler/testData/ir/irText/classes/delegatedImplementation.txt
index 76505a93350..95f839e5107 100644
--- a/compiler/testData/ir/irText/classes/delegatedImplementation.txt
+++ b/compiler/testData/ir/irText/classes/delegatedImplementation.txt
@@ -14,16 +14,16 @@ FILE fqName:<root> fileName:/delegatedImplementation.kt
       $receiver: VALUE_PARAMETER name:<this> type:kotlin.String flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS OBJECT name:BaseImpl modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:BaseImpl flags:
@@ -93,16 +93,16 @@ FILE fqName:<root> fileName:/delegatedImplementation.kt
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:otherImpl visibility:public modality:FINAL <> (x0:kotlin.String, y0:kotlin.Int) returnType:IOther flags:
     VALUE_PARAMETER name:x0 index:0 type:kotlin.String flags:
diff --git a/compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.txt b/compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.txt
index 7af4aea4053..06ad84aa72b 100644
--- a/compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.txt
+++ b/compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.txt
@@ -9,16 +9,16 @@ FILE fqName:<root> fileName:/delegatedImplementationWithExplicitOverride.kt
       $this: VALUE_PARAMETER name:<this> type:IFooBar flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS OBJECT name:FooBarImpl modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:FooBarImpl flags:
diff --git a/compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.txt b/compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.txt
index e5fce6344d4..193ff031aa9 100644
--- a/compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.txt
+++ b/compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.txt
@@ -23,16 +23,16 @@ FILE fqName:<root> fileName:/delegatingConstructorCallToTypeAliasConstructor.kt
               receiver: GET_VAR 'this@Cell: Cell<T>' type=Cell<T> origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   TYPEALIAS typealias CT = Cell<T> type=Cell<T>
   TYPEALIAS typealias CStr = Cell<String> type=Cell<kotlin.String>
diff --git a/compiler/testData/ir/irText/classes/delegatingConstructorCallsInSecondaryConstructors.txt b/compiler/testData/ir/irText/classes/delegatingConstructorCallsInSecondaryConstructors.txt
index 95f9b8c74f3..0e73a5bd60e 100644
--- a/compiler/testData/ir/irText/classes/delegatingConstructorCallsInSecondaryConstructors.txt
+++ b/compiler/testData/ir/irText/classes/delegatingConstructorCallsInSecondaryConstructors.txt
@@ -9,16 +9,16 @@ FILE fqName:<root> fileName:/delegatingConstructorCallsInSecondaryConstructors.k
         INSTANCE_INITIALIZER_CALL classDescriptor='Base'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Test modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test flags:
diff --git a/compiler/testData/ir/irText/classes/enum.txt b/compiler/testData/ir/irText/classes/enum.txt
index 984ac9fed2e..815e57b001d 100644
--- a/compiler/testData/ir/irText/classes/enum.txt
+++ b/compiler/testData/ir/irText/classes/enum.txt
@@ -14,43 +14,43 @@ FILE fqName:<root> fileName:/enum.kt
       init: ENUM_CONSTRUCTOR_CALL 'constructor TestEnum1()'
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<TestEnum1>) returnType:Any flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum1> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<TestEnum1>) returnType:Unit flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum1> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum1>) returnType:(java.lang.Class<(TestEnum1..TestEnum1?)>..java.lang.Class<(TestEnum1..TestEnum1?)>?) flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum1> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum1>, other:TestEnum1) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum1> flags:
       VALUE_PARAMETER name:other index:0 type:TestEnum1 flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum1>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum1> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum1>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum1> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum1>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum1> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum1>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum1> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<TestEnum1>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<E>) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum1> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<TestEnum1> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
@@ -88,43 +88,43 @@ FILE fqName:<root> fileName:/enum.kt
         x: CONST Int type=kotlin.Int value=3
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<TestEnum2>) returnType:Any flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum2> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<TestEnum2>) returnType:Unit flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum2> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum2>) returnType:(java.lang.Class<(TestEnum2..TestEnum2?)>..java.lang.Class<(TestEnum2..TestEnum2?)>?) flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum2> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum2>, other:TestEnum2) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum2> flags:
       VALUE_PARAMETER name:other index:0 type:TestEnum2 flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum2>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum2> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum2>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum2> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum2>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum2> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum2>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum2> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<TestEnum2>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<E>) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum2> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<TestEnum2> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
@@ -201,43 +201,43 @@ FILE fqName:<root> fileName:/enum.kt
       $this: VALUE_PARAMETER name:<this> type:TestEnum3 flags:
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<TestEnum3>) returnType:Any flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum3> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<TestEnum3>) returnType:Unit flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum3> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum3>) returnType:(java.lang.Class<(TestEnum3..TestEnum3?)>..java.lang.Class<(TestEnum3..TestEnum3?)>?) flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum3> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum3>, other:TestEnum3) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum3> flags:
       VALUE_PARAMETER name:other index:0 type:TestEnum3 flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum3>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum3> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum3>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum3> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum3>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum3> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum3>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum3> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<TestEnum3>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<E>) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum3> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<TestEnum3> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
@@ -408,43 +408,43 @@ FILE fqName:<root> fileName:/enum.kt
       $this: VALUE_PARAMETER name:<this> type:TestEnum4 flags:
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<TestEnum4>) returnType:Any flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum4> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<TestEnum4>) returnType:Unit flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum4> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum4>) returnType:(java.lang.Class<(TestEnum4..TestEnum4?)>..java.lang.Class<(TestEnum4..TestEnum4?)>?) flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum4> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum4>, other:TestEnum4) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum4> flags:
       VALUE_PARAMETER name:other index:0 type:TestEnum4 flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum4>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum4> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum4>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum4> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum4>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum4> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum4>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum4> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<TestEnum4>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<E>) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum4> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<TestEnum4> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
@@ -482,43 +482,43 @@ FILE fqName:<root> fileName:/enum.kt
         x: CONST Int type=kotlin.Int value=0
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<TestEnum5>) returnType:Any flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum5> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<TestEnum5>) returnType:Unit flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum5> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum5>) returnType:(java.lang.Class<(TestEnum5..TestEnum5?)>..java.lang.Class<(TestEnum5..TestEnum5?)>?) flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum5> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum5>, other:TestEnum5) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum5> flags:
       VALUE_PARAMETER name:other index:0 type:TestEnum5 flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum5>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum5> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum5>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum5> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum5>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum5> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<TestEnum5>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum5> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<TestEnum5>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<E>) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<TestEnum5> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<TestEnum5> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
diff --git a/compiler/testData/ir/irText/classes/enumWithSecondaryCtor.txt b/compiler/testData/ir/irText/classes/enumWithSecondaryCtor.txt
index 1019c6671fe..73761372f90 100644
--- a/compiler/testData/ir/irText/classes/enumWithSecondaryCtor.txt
+++ b/compiler/testData/ir/irText/classes/enumWithSecondaryCtor.txt
@@ -27,43 +27,43 @@ FILE fqName:<root> fileName:/enumWithSecondaryCtor.kt
           x: CONST Int type=kotlin.Int value=0
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<Test0>) returnType:Any flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test0> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<Test0>) returnType:Unit flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test0> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<Test0>) returnType:(java.lang.Class<(Test0..Test0?)>..java.lang.Class<(Test0..Test0?)>?) flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test0> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<Test0>, other:Test0) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test0> flags:
       VALUE_PARAMETER name:other index:0 type:Test0 flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<Test0>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test0> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<Test0>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test0> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<Test0>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test0> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<Test0>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test0> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<Test0>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<E>) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test0> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<Test0> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
@@ -101,43 +101,43 @@ FILE fqName:<root> fileName:/enumWithSecondaryCtor.kt
           x: CONST Int type=kotlin.Int value=0
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<Test1>) returnType:Any flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test1> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<Test1>) returnType:Unit flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test1> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<Test1>) returnType:(java.lang.Class<(Test1..Test1?)>..java.lang.Class<(Test1..Test1?)>?) flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test1> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<Test1>, other:Test1) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test1> flags:
       VALUE_PARAMETER name:other index:0 type:Test1 flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<Test1>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test1> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<Test1>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test1> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<Test1>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test1> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<Test1>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test1> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<Test1>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<E>) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test1> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<Test1> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
@@ -297,43 +297,43 @@ FILE fqName:<root> fileName:/enumWithSecondaryCtor.kt
       $this: VALUE_PARAMETER name:<this> type:Test2 flags:
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<Test2>) returnType:Any flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test2> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<Test2>) returnType:Unit flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test2> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<Test2>) returnType:(java.lang.Class<(Test2..Test2?)>..java.lang.Class<(Test2..Test2?)>?) flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test2> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<Test2>, other:Test2) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test2> flags:
       VALUE_PARAMETER name:other index:0 type:Test2 flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<Test2>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test2> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<Test2>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test2> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<Test2>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test2> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<Test2>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test2> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<Test2>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<E>) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Test2> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<Test2> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
diff --git a/compiler/testData/ir/irText/classes/initBlock.txt b/compiler/testData/ir/irText/classes/initBlock.txt
index 5e68f7b0706..e42138e0c7d 100644
--- a/compiler/testData/ir/irText/classes/initBlock.txt
+++ b/compiler/testData/ir/irText/classes/initBlock.txt
@@ -12,16 +12,16 @@ FILE fqName:<root> fileName:/initBlock.kt
         CALL 'println(): Unit' type=kotlin.Unit origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Test2 modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test2 flags:
@@ -47,16 +47,16 @@ FILE fqName:<root> fileName:/initBlock.kt
         CALL 'println(): Unit' type=kotlin.Unit origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Test3 modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test3 flags:
@@ -71,16 +71,16 @@ FILE fqName:<root> fileName:/initBlock.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='Test3'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Test4 modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test4 flags:
@@ -100,16 +100,16 @@ FILE fqName:<root> fileName:/initBlock.kt
           message: CONST String type=kotlin.String value=2
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Test5 modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test5 flags:
@@ -138,28 +138,28 @@ FILE fqName:<root> fileName:/initBlock.kt
             message: CONST String type=kotlin.String value=2
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/classes/initVal.txt b/compiler/testData/ir/irText/classes/initVal.txt
index 3b3afe0a67e..c4eabe4b3b9 100644
--- a/compiler/testData/ir/irText/classes/initVal.txt
+++ b/compiler/testData/ir/irText/classes/initVal.txt
@@ -20,16 +20,16 @@ FILE fqName:<root> fileName:/initVal.kt
               receiver: GET_VAR 'this@TestInitValFromParameter: TestInitValFromParameter' type=TestInitValFromParameter origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:TestInitValInClass modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:TestInitValInClass flags:
@@ -51,16 +51,16 @@ FILE fqName:<root> fileName:/initVal.kt
               receiver: GET_VAR 'this@TestInitValInClass: TestInitValInClass' type=TestInitValInClass origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:TestInitValInInitBlock modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:TestInitValInInitBlock flags:
@@ -85,15 +85,15 @@ FILE fqName:<root> fileName:/initVal.kt
           value: CONST Int type=kotlin.Int value=0
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/classes/initVar.txt b/compiler/testData/ir/irText/classes/initVar.txt
index 62e7cdb38f1..c8091ff26d0 100644
--- a/compiler/testData/ir/irText/classes/initVar.txt
+++ b/compiler/testData/ir/irText/classes/initVar.txt
@@ -27,16 +27,16 @@ FILE fqName:<root> fileName:/initVar.kt
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:TestInitVarInClass modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:TestInitVarInClass flags:
@@ -65,16 +65,16 @@ FILE fqName:<root> fileName:/initVar.kt
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:TestInitVarInInitBlock modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:TestInitVarInInitBlock flags:
@@ -106,16 +106,16 @@ FILE fqName:<root> fileName:/initVar.kt
           <set-?>: CONST Int type=kotlin.Int value=0
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:TestInitVarWithCustomSetter modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:TestInitVarWithCustomSetter flags:
@@ -144,16 +144,16 @@ FILE fqName:<root> fileName:/initVar.kt
             value: GET_VAR 'value-parameter value: Int' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:TestInitVarWithCustomSetterWithExplicitCtor modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:TestInitVarWithCustomSetterWithExplicitCtor flags:
@@ -185,16 +185,16 @@ FILE fqName:<root> fileName:/initVar.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='TestInitVarWithCustomSetterWithExplicitCtor'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:TestInitVarWithCustomSetterInCtor modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:TestInitVarWithCustomSetterInCtor flags:
@@ -224,15 +224,15 @@ FILE fqName:<root> fileName:/initVar.kt
           value: CONST Int type=kotlin.Int value=42
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/classes/innerClass.txt b/compiler/testData/ir/irText/classes/innerClass.txt
index 4f0ddf69340..3fbe5f1db62 100644
--- a/compiler/testData/ir/irText/classes/innerClass.txt
+++ b/compiler/testData/ir/irText/classes/innerClass.txt
@@ -18,16 +18,16 @@ FILE fqName:<root> fileName:/innerClass.kt
           INSTANCE_INITIALIZER_CALL classDescriptor='TestInnerClass'
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     CLASS CLASS name:DerivedInnerClass modality:FINAL visibility:public flags:
       $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Outer.DerivedInnerClass flags:
@@ -54,15 +54,15 @@ FILE fqName:<root> fileName:/innerClass.kt
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/classes/innerClassWithDelegatingConstructor.txt b/compiler/testData/ir/irText/classes/innerClassWithDelegatingConstructor.txt
index 9410dcb8b8c..9247f28ed64 100644
--- a/compiler/testData/ir/irText/classes/innerClassWithDelegatingConstructor.txt
+++ b/compiler/testData/ir/irText/classes/innerClassWithDelegatingConstructor.txt
@@ -35,28 +35,28 @@ FILE fqName:<root> fileName:/innerClassWithDelegatingConstructor.kt
             x: CONST Int type=kotlin.Int value=0
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.txt b/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.txt
index 9f68e6a397c..d31720d65bb 100644
--- a/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.txt
+++ b/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.txt
@@ -45,7 +45,7 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
             runA: GET_VAR 'value-parameter runA: A.(String) -> Unit = ...' type=A.(kotlin.String) -> kotlin.Unit origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:A) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:A flags:
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='toString(): String'
@@ -57,7 +57,7 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
             CONST String type=kotlin.String value=)
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:A) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:A flags:
       BLOCK_BODY
         VAR IR_TEMPORARY_VARIABLE name:tmp0_result type:kotlin.Int flags:var
@@ -70,7 +70,7 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
           GET_VAR 'tmp0_result: Int' type=kotlin.Int origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:A, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:A flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       BLOCK_BODY
@@ -122,16 +122,16 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
                   INSTANCE_INITIALIZER_CALL classDescriptor='<no name provided>'
               FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
                 overridden:
-                  FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+                  FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
                 $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
                 VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
               FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
                 overridden:
-                  FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+                  FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
                 $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
               FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
                 overridden:
-                  FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+                  FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
                 $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
             CALL 'constructor <no name provided>()' type=B.<init>.<no name provided> origin=OBJECT_LITERAL
       BLOCK_BODY
@@ -165,7 +165,7 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
             x: GET_VAR 'value-parameter x: Any = ...' type=kotlin.Any origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:B) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:B flags:
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='toString(): String'
@@ -177,7 +177,7 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
             CONST String type=kotlin.String value=)
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:B) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:B flags:
       BLOCK_BODY
         VAR IR_TEMPORARY_VARIABLE name:tmp0_result type:kotlin.Int flags:var
@@ -190,7 +190,7 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
           GET_VAR 'tmp0_result: Int' type=kotlin.Int origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:B, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:B flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       BLOCK_BODY
diff --git a/compiler/testData/ir/irText/classes/localClasses.txt b/compiler/testData/ir/irText/classes/localClasses.txt
index 6088e9bbc5a..aabd8f75cd9 100644
--- a/compiler/testData/ir/irText/classes/localClasses.txt
+++ b/compiler/testData/ir/irText/classes/localClasses.txt
@@ -14,16 +14,16 @@ FILE fqName:<root> fileName:/localClasses.kt
           BLOCK_BODY
         FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
         FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       CALL 'foo(): Unit' type=kotlin.Unit origin=null
         $this: CALL 'constructor LocalClass()' type=outer.LocalClass origin=null
diff --git a/compiler/testData/ir/irText/classes/objectLiteralExpressions.txt b/compiler/testData/ir/irText/classes/objectLiteralExpressions.txt
index 8d30ea6793f..d72990e04f3 100644
--- a/compiler/testData/ir/irText/classes/objectLiteralExpressions.txt
+++ b/compiler/testData/ir/irText/classes/objectLiteralExpressions.txt
@@ -7,16 +7,16 @@ FILE fqName:<root> fileName:/objectLiteralExpressions.kt
       $this: VALUE_PARAMETER name:<this> type:IFoo flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   PROPERTY name:test1 type:kotlin.Any visibility:public modality:FINAL flags:val
     FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Any visibility:public
@@ -32,16 +32,16 @@ FILE fqName:<root> fileName:/objectLiteralExpressions.kt
                 INSTANCE_INITIALIZER_CALL classDescriptor='<no name provided>'
             FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
               overridden:
-                FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+                FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
               $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
               VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
             FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
               overridden:
-                FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+                FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
               $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
             FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
               overridden:
-                FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+                FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
               $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
           CALL 'constructor <no name provided>()' type=test1.<no name provided> origin=OBJECT_LITERAL
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test1> visibility:public modality:FINAL <> () returnType:Any flags:
@@ -156,16 +156,16 @@ FILE fqName:<root> fileName:/objectLiteralExpressions.kt
             CALL 'constructor <no name provided>()' type=Outer.test3.<no name provided> origin=OBJECT_LITERAL
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test4 visibility:public modality:FINAL <> ($receiver:Outer) returnType:Inner flags:
     $receiver: VALUE_PARAMETER name:<this> type:Outer flags:
diff --git a/compiler/testData/ir/irText/classes/objectWithInitializers.txt b/compiler/testData/ir/irText/classes/objectWithInitializers.txt
index 37c8c902a93..4b57b308ba3 100644
--- a/compiler/testData/ir/irText/classes/objectWithInitializers.txt
+++ b/compiler/testData/ir/irText/classes/objectWithInitializers.txt
@@ -9,16 +9,16 @@ FILE fqName:<root> fileName:/objectWithInitializers.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='Base'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS OBJECT name:Test modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test flags:
diff --git a/compiler/testData/ir/irText/classes/outerClassAccess.txt b/compiler/testData/ir/irText/classes/outerClassAccess.txt
index ee36ea29865..56f92f3dfb1 100644
--- a/compiler/testData/ir/irText/classes/outerClassAccess.txt
+++ b/compiler/testData/ir/irText/classes/outerClassAccess.txt
@@ -48,41 +48,41 @@ FILE fqName:<root> fileName:/outerClassAccess.kt
               $this: GET_VAR 'this@test3: Outer' type=Outer origin=null
         FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
         FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/classes/primaryConstructor.txt b/compiler/testData/ir/irText/classes/primaryConstructor.txt
index c116d6cd576..eec5b2a9736 100644
--- a/compiler/testData/ir/irText/classes/primaryConstructor.txt
+++ b/compiler/testData/ir/irText/classes/primaryConstructor.txt
@@ -31,16 +31,16 @@ FILE fqName:<root> fileName:/primaryConstructor.kt
               receiver: GET_VAR 'this@Test1: Test1' type=Test1 origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Test2 modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test2 flags:
@@ -74,16 +74,16 @@ FILE fqName:<root> fileName:/primaryConstructor.kt
               receiver: GET_VAR 'this@Test2: Test2' type=Test2 origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Test3 modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test3 flags:
@@ -120,15 +120,15 @@ FILE fqName:<root> fileName:/primaryConstructor.kt
           value: GET_VAR 'value-parameter x: Int' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/classes/primaryConstructorWithSuperConstructorCall.txt b/compiler/testData/ir/irText/classes/primaryConstructorWithSuperConstructorCall.txt
index 6548f3de9f2..e09bb03aaa6 100644
--- a/compiler/testData/ir/irText/classes/primaryConstructorWithSuperConstructorCall.txt
+++ b/compiler/testData/ir/irText/classes/primaryConstructorWithSuperConstructorCall.txt
@@ -9,16 +9,16 @@ FILE fqName:<root> fileName:/primaryConstructorWithSuperConstructorCall.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='Base'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:TestImplicitPrimaryConstructor modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:TestImplicitPrimaryConstructor flags:
diff --git a/compiler/testData/ir/irText/classes/qualifiedSuperCalls.txt b/compiler/testData/ir/irText/classes/qualifiedSuperCalls.txt
index 00bb112575b..2269491a51c 100644
--- a/compiler/testData/ir/irText/classes/qualifiedSuperCalls.txt
+++ b/compiler/testData/ir/irText/classes/qualifiedSuperCalls.txt
@@ -14,16 +14,16 @@ FILE fqName:<root> fileName:/qualifiedSuperCalls.kt
             CONST Int type=kotlin.Int value=1
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS INTERFACE name:IRight modality:ABSTRACT visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:IRight flags:
@@ -40,16 +40,16 @@ FILE fqName:<root> fileName:/qualifiedSuperCalls.kt
             CONST Int type=kotlin.Int value=2
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:CBoth modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:CBoth flags:
diff --git a/compiler/testData/ir/irText/classes/sealedClasses.txt b/compiler/testData/ir/irText/classes/sealedClasses.txt
index a7002259ffc..36b1efc289b 100644
--- a/compiler/testData/ir/irText/classes/sealedClasses.txt
+++ b/compiler/testData/ir/irText/classes/sealedClasses.txt
@@ -105,15 +105,15 @@ FILE fqName:<root> fileName:/sealedClasses.kt
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/classes/secondaryConstructorWithInitializersFromClassBody.txt b/compiler/testData/ir/irText/classes/secondaryConstructorWithInitializersFromClassBody.txt
index a770f794704..8bbf4205820 100644
--- a/compiler/testData/ir/irText/classes/secondaryConstructorWithInitializersFromClassBody.txt
+++ b/compiler/testData/ir/irText/classes/secondaryConstructorWithInitializersFromClassBody.txt
@@ -9,16 +9,16 @@ FILE fqName:<root> fileName:/secondaryConstructorWithInitializersFromClassBody.k
         INSTANCE_INITIALIZER_CALL classDescriptor='Base'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:TestProperty modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:TestProperty flags:
diff --git a/compiler/testData/ir/irText/classes/secondaryConstructors.txt b/compiler/testData/ir/irText/classes/secondaryConstructors.txt
index 4dcff0a8d8d..48ffde9055f 100644
--- a/compiler/testData/ir/irText/classes/secondaryConstructors.txt
+++ b/compiler/testData/ir/irText/classes/secondaryConstructors.txt
@@ -14,15 +14,15 @@ FILE fqName:<root> fileName:/secondaryConstructors.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='C'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/classes/superCalls.txt b/compiler/testData/ir/irText/classes/superCalls.txt
index e0937a56781..2f809916182 100644
--- a/compiler/testData/ir/irText/classes/superCalls.txt
+++ b/compiler/testData/ir/irText/classes/superCalls.txt
@@ -22,16 +22,16 @@ FILE fqName:<root> fileName:/superCalls.kt
               receiver: GET_VAR 'this@Base: Base' type=Base origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Derived modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Derived flags:
diff --git a/compiler/testData/ir/irText/declarations/classLevelProperties.txt b/compiler/testData/ir/irText/declarations/classLevelProperties.txt
index 51372103724..8587766a129 100644
--- a/compiler/testData/ir/irText/declarations/classLevelProperties.txt
+++ b/compiler/testData/ir/irText/declarations/classLevelProperties.txt
@@ -136,15 +136,15 @@ FILE fqName:<root> fileName:/classLevelProperties.kt
               value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/declarations/delegatedProperties.txt b/compiler/testData/ir/irText/declarations/delegatedProperties.txt
index 3376c4b8476..eb3b7fa46a4 100644
--- a/compiler/testData/ir/irText/declarations/delegatedProperties.txt
+++ b/compiler/testData/ir/irText/declarations/delegatedProperties.txt
@@ -88,16 +88,16 @@ FILE fqName:<root> fileName:/delegatedProperties.kt
               value: GET_VAR 'value-parameter <set-?>: Any' type=kotlin.Any origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   PROPERTY name:test4 type:kotlin.Any visibility:public modality:FINAL flags:delegatedmvar
     FIELD DELEGATE name:test4$delegate type:kotlin.collections.HashMap<kotlin.String, kotlin.Any> /* = java.util.HashMap<kotlin.String, kotlin.Any> */ visibility:private
diff --git a/compiler/testData/ir/irText/declarations/extensionProperties.txt b/compiler/testData/ir/irText/declarations/extensionProperties.txt
index 6a0333381b2..e6e62722dbf 100644
--- a/compiler/testData/ir/irText/declarations/extensionProperties.txt
+++ b/compiler/testData/ir/irText/declarations/extensionProperties.txt
@@ -44,15 +44,15 @@ FILE fqName:<root> fileName:/extensionProperties.kt
         BLOCK_BODY
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/declarations/fakeOverrides.txt b/compiler/testData/ir/irText/declarations/fakeOverrides.txt
index ceec0fb2455..945bf269428 100644
--- a/compiler/testData/ir/irText/declarations/fakeOverrides.txt
+++ b/compiler/testData/ir/irText/declarations/fakeOverrides.txt
@@ -8,16 +8,16 @@ FILE fqName:<root> fileName:/fakeOverrides.kt
       VALUE_PARAMETER name:x index:0 type:kotlin.String flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS INTERFACE name:IBar modality:ABSTRACT visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:IBar flags:
@@ -28,16 +28,16 @@ FILE fqName:<root> fileName:/fakeOverrides.kt
         $this: VALUE_PARAMETER name:<this> type:IBar flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:CFoo modality:ABSTRACT visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:CFoo<T> flags:
@@ -56,16 +56,16 @@ FILE fqName:<root> fileName:/fakeOverrides.kt
       BLOCK_BODY
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Test1 modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test1 flags:
diff --git a/compiler/testData/ir/irText/declarations/interfaceProperties.txt b/compiler/testData/ir/irText/declarations/interfaceProperties.txt
index 8fb3e48dc6a..df4d97be241 100644
--- a/compiler/testData/ir/irText/declarations/interfaceProperties.txt
+++ b/compiler/testData/ir/irText/declarations/interfaceProperties.txt
@@ -30,15 +30,15 @@ FILE fqName:<root> fileName:/interfaceProperties.kt
         BLOCK_BODY
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/declarations/localClassWithOverrides.txt b/compiler/testData/ir/irText/declarations/localClassWithOverrides.txt
index 1fd6eafafd2..e28b3a18895 100644
--- a/compiler/testData/ir/irText/declarations/localClassWithOverrides.txt
+++ b/compiler/testData/ir/irText/declarations/localClassWithOverrides.txt
@@ -22,16 +22,16 @@ FILE fqName:<root> fileName:/localClassWithOverrides.kt
             VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int flags:
         FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
         FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       CLASS CLASS name:Local modality:FINAL visibility:local flags:
         $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:outer.Local flags:
diff --git a/compiler/testData/ir/irText/declarations/localDelegatedPropertyWithSuspendOperators.txt b/compiler/testData/ir/irText/declarations/localDelegatedPropertyWithSuspendOperators.txt
index cb20b6d472b..b45e0ff445c 100644
--- a/compiler/testData/ir/irText/declarations/localDelegatedPropertyWithSuspendOperators.txt
+++ b/compiler/testData/ir/irText/declarations/localDelegatedPropertyWithSuspendOperators.txt
@@ -74,16 +74,16 @@ FILE fqName:<root> fileName:/localDelegatedPropertyWithSuspendOperators.kt
               FUNCTION_REFERENCE '<anonymous>(Continuation<A>): Any' type=(kotlin.coroutines.experimental.Continuation<A>) -> kotlin.Any origin=LAMBDA
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test visibility:public modality:FINAL <> () returnType:Unit flags:suspend
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/declarations/multiplatform/expectClassInherited.txt b/compiler/testData/ir/irText/declarations/multiplatform/expectClassInherited.txt
index 5b0b07b78e0..e472e35404b 100644
--- a/compiler/testData/ir/irText/declarations/multiplatform/expectClassInherited.txt
+++ b/compiler/testData/ir/irText/declarations/multiplatform/expectClassInherited.txt
@@ -8,16 +8,16 @@ FILE fqName:<root> fileName:/expectClassInherited.kt
       $this: VALUE_PARAMETER name:<this> type:A flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:B modality:OPEN visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:B flags:
@@ -57,16 +57,16 @@ FILE fqName:<root> fileName:/expectClassInherited.kt
       $this: VALUE_PARAMETER name:<this> type:A flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:B modality:OPEN visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:B flags:
diff --git a/compiler/testData/ir/irText/declarations/multiplatform/expectedEnumClass.txt b/compiler/testData/ir/irText/declarations/multiplatform/expectedEnumClass.txt
index ea2684a369b..eb0d1f371d4 100644
--- a/compiler/testData/ir/irText/declarations/multiplatform/expectedEnumClass.txt
+++ b/compiler/testData/ir/irText/declarations/multiplatform/expectedEnumClass.txt
@@ -7,43 +7,43 @@ FILE fqName:<root> fileName:/expectedEnumClass.kt
     ENUM_ENTRY name:BAR
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:Any flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:Unit flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:(java.lang.Class<(MyEnum..MyEnum?)>..java.lang.Class<(MyEnum..MyEnum?)>?) flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>, other:MyEnum) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
       VALUE_PARAMETER name:other index:0 type:MyEnum flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<MyEnum>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<E>) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<MyEnum> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
@@ -67,43 +67,43 @@ FILE fqName:<root> fileName:/expectedEnumClass.kt
       init: ENUM_CONSTRUCTOR_CALL 'constructor MyEnum()'
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:Any flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:Unit flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:(java.lang.Class<(MyEnum..MyEnum?)>..java.lang.Class<(MyEnum..MyEnum?)>?) flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>, other:MyEnum) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
       VALUE_PARAMETER name:other index:0 type:MyEnum flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<MyEnum>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<MyEnum>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<E>) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<MyEnum> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<MyEnum> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
diff --git a/compiler/testData/ir/irText/declarations/multiplatform/expectedSealedClass.txt b/compiler/testData/ir/irText/declarations/multiplatform/expectedSealedClass.txt
index 393caeaff7e..601029c9b39 100644
--- a/compiler/testData/ir/irText/declarations/multiplatform/expectedSealedClass.txt
+++ b/compiler/testData/ir/irText/declarations/multiplatform/expectedSealedClass.txt
@@ -6,16 +6,16 @@ FILE fqName:<root> fileName:/expectedSealedClass.kt
     CONSTRUCTOR visibility:private <> () returnType:Ops flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Add modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Add flags:
@@ -45,16 +45,16 @@ FILE fqName:<root> fileName:/expectedSealedClass.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='Ops'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Add modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Add flags:
diff --git a/compiler/testData/ir/irText/declarations/parameters/class.txt b/compiler/testData/ir/irText/declarations/parameters/class.txt
index fc299ab9128..7ebf7f74c72 100644
--- a/compiler/testData/ir/irText/declarations/parameters/class.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/class.txt
@@ -15,29 +15,29 @@ FILE fqName:<root> fileName:/class.kt
           CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Test modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test<T0> flags:
@@ -63,16 +63,16 @@ FILE fqName:<root> fileName:/class.kt
           INSTANCE_INITIALIZER_CALL classDescriptor='TestNested'
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     CLASS CLASS name:TestInner modality:FINAL visibility:public flags:
       $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test<T0>.TestInner<T2> flags:
@@ -88,28 +88,28 @@ FILE fqName:<root> fileName:/class.kt
           INSTANCE_INITIALIZER_CALL classDescriptor='TestInner'
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/declarations/parameters/constructor.txt b/compiler/testData/ir/irText/declarations/parameters/constructor.txt
index 67003748950..2f872b2e81b 100644
--- a/compiler/testData/ir/irText/declarations/parameters/constructor.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/constructor.txt
@@ -37,16 +37,16 @@ FILE fqName:<root> fileName:/constructor.kt
               receiver: GET_VAR 'this@Test1: Test1<T1, T2>' type=Test1<T1, T2> origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Test2 modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test2 flags:
@@ -102,29 +102,29 @@ FILE fqName:<root> fileName:/constructor.kt
             z: GET_VAR 'value-parameter z: Z' type=Z origin=null
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Test3 modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test3 flags:
@@ -160,16 +160,16 @@ FILE fqName:<root> fileName:/constructor.kt
               receiver: GET_VAR 'this@Test3: Test3' type=Test3 origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Test4 modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test4<T> flags:
@@ -206,15 +206,15 @@ FILE fqName:<root> fileName:/constructor.kt
             other: GET_VAR 'value-parameter y: Int = ...' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.txt b/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.txt
index 651277286d4..8628bb8a006 100644
--- a/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.txt
@@ -64,7 +64,7 @@ FILE fqName:<root> fileName:/dataClassMembers.kt
             y: GET_VAR 'value-parameter y: String = ...' type=kotlin.String origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:Test<T>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:Test<T> flags:
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='toString(): String'
@@ -80,7 +80,7 @@ FILE fqName:<root> fileName:/dataClassMembers.kt
             CONST String type=kotlin.String value=)
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:Test<T>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:Test<T> flags:
       BLOCK_BODY
         VAR IR_TEMPORARY_VARIABLE name:tmp0_result type:kotlin.Int flags:var
@@ -114,7 +114,7 @@ FILE fqName:<root> fileName:/dataClassMembers.kt
           GET_VAR 'tmp0_result: Int' type=kotlin.Int origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:Test<T>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:Test<T> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       BLOCK_BODY
diff --git a/compiler/testData/ir/irText/declarations/parameters/defaultPropertyAccessors.txt b/compiler/testData/ir/irText/declarations/parameters/defaultPropertyAccessors.txt
index 27f06b7120f..e0f6bc7a599 100644
--- a/compiler/testData/ir/irText/declarations/parameters/defaultPropertyAccessors.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/defaultPropertyAccessors.txt
@@ -57,16 +57,16 @@ FILE fqName:<root> fileName:/defaultPropertyAccessors.kt
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:InPrimaryCtor modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:InPrimaryCtor<T> flags:
@@ -112,15 +112,15 @@ FILE fqName:<root> fileName:/defaultPropertyAccessors.kt
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/declarations/parameters/delegatedMembers.txt b/compiler/testData/ir/irText/declarations/parameters/delegatedMembers.txt
index 30f0ea6119e..db0d8ca9c34 100644
--- a/compiler/testData/ir/irText/declarations/parameters/delegatedMembers.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/delegatedMembers.txt
@@ -21,16 +21,16 @@ FILE fqName:<root> fileName:/delegatedMembers.kt
       VALUE_PARAMETER name:x index:1 type:X flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Test modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test<TT> flags:
diff --git a/compiler/testData/ir/irText/declarations/parameters/fun.txt b/compiler/testData/ir/irText/declarations/parameters/fun.txt
index 0a96524e08d..d6f80d53cce 100644
--- a/compiler/testData/ir/irText/declarations/parameters/fun.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/fun.txt
@@ -47,15 +47,15 @@ FILE fqName:<root> fileName:/fun.kt
       BLOCK_BODY
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/declarations/parameters/genericInnerClass.txt b/compiler/testData/ir/irText/declarations/parameters/genericInnerClass.txt
index baf9d89ae8d..13a0641070f 100644
--- a/compiler/testData/ir/irText/declarations/parameters/genericInnerClass.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/genericInnerClass.txt
@@ -29,28 +29,28 @@ FILE fqName:<root> fileName:/genericInnerClass.kt
         BLOCK_BODY
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/declarations/parameters/propertyAccessors.txt b/compiler/testData/ir/irText/declarations/parameters/propertyAccessors.txt
index 4eb9b675e78..0286ce8687e 100644
--- a/compiler/testData/ir/irText/declarations/parameters/propertyAccessors.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/propertyAccessors.txt
@@ -129,15 +129,15 @@ FILE fqName:<root> fileName:/propertyAccessors.kt
         BLOCK_BODY
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/declarations/primaryCtorDefaultArguments.txt b/compiler/testData/ir/irText/declarations/primaryCtorDefaultArguments.txt
index 80a2ce142fa..ea16f581ed4 100644
--- a/compiler/testData/ir/irText/declarations/primaryCtorDefaultArguments.txt
+++ b/compiler/testData/ir/irText/declarations/primaryCtorDefaultArguments.txt
@@ -22,15 +22,15 @@ FILE fqName:<root> fileName:/primaryCtorDefaultArguments.kt
               receiver: GET_VAR 'this@Test: Test' type=Test origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/declarations/primaryCtorProperties.txt b/compiler/testData/ir/irText/declarations/primaryCtorProperties.txt
index 3efeb6ce3dc..5a3578bdeac 100644
--- a/compiler/testData/ir/irText/declarations/primaryCtorProperties.txt
+++ b/compiler/testData/ir/irText/declarations/primaryCtorProperties.txt
@@ -38,15 +38,15 @@ FILE fqName:<root> fileName:/primaryCtorProperties.kt
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/differentReceivers.txt b/compiler/testData/ir/irText/declarations/provideDelegate/differentReceivers.txt
index 892f0cc48d2..ba04000f8a3 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/differentReceivers.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/differentReceivers.txt
@@ -20,16 +20,16 @@ FILE fqName:<root> fileName:/differentReceivers.kt
               receiver: GET_VAR 'this@MyClass: MyClass' type=MyClass origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:provideDelegate visibility:public modality:FINAL <> ($receiver:MyClass, host:kotlin.Any?, p:kotlin.Any) returnType:String flags:
     $receiver: VALUE_PARAMETER name:<this> type:MyClass flags:
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/local.txt b/compiler/testData/ir/irText/declarations/provideDelegate/local.txt
index 6ad884e479b..b1e775738e1 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/local.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/local.txt
@@ -28,16 +28,16 @@ FILE fqName:<root> fileName:/local.kt
             $this: GET_VAR 'this@Delegate: Delegate' type=Delegate origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:DelegateProvider modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:DelegateProvider flags:
@@ -69,16 +69,16 @@ FILE fqName:<root> fileName:/local.kt
               $this: GET_VAR 'this@DelegateProvider: DelegateProvider' type=DelegateProvider origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:foo visibility:public modality:FINAL <> () returnType:Unit flags:
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/localDifferentReceivers.txt b/compiler/testData/ir/irText/declarations/provideDelegate/localDifferentReceivers.txt
index 421a750428d..ecaa1e0820c 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/localDifferentReceivers.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/localDifferentReceivers.txt
@@ -20,16 +20,16 @@ FILE fqName:<root> fileName:/localDifferentReceivers.kt
               receiver: GET_VAR 'this@MyClass: MyClass' type=MyClass origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:provideDelegate visibility:public modality:FINAL <> ($receiver:MyClass, host:kotlin.Any?, p:kotlin.Any) returnType:String flags:
     $receiver: VALUE_PARAMETER name:<this> type:MyClass flags:
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/member.txt b/compiler/testData/ir/irText/declarations/provideDelegate/member.txt
index 6ba859921a5..777f3e14c56 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/member.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/member.txt
@@ -28,16 +28,16 @@ FILE fqName:<root> fileName:/member.kt
             $this: GET_VAR 'this@Delegate: Delegate' type=Delegate origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:DelegateProvider modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:DelegateProvider flags:
@@ -69,16 +69,16 @@ FILE fqName:<root> fileName:/member.kt
               $this: GET_VAR 'this@DelegateProvider: DelegateProvider' type=DelegateProvider origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Host modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Host flags:
@@ -107,15 +107,15 @@ FILE fqName:<root> fileName:/member.kt
               property: PROPERTY_REFERENCE 'testMember: String' field=null getter='<get-testMember>(): String' setter=null type=kotlin.reflect.KProperty1<Host, kotlin.String> origin=PROPERTY_REFERENCE_FOR_DELEGATE
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/memberExtension.txt b/compiler/testData/ir/irText/declarations/provideDelegate/memberExtension.txt
index bfbfebfa534..1030c1ddecc 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/memberExtension.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/memberExtension.txt
@@ -38,16 +38,16 @@ FILE fqName:<root> fileName:/memberExtension.kt
                 $this: GET_VAR 'this@StringDelegate: StringDelegate' type=Host.StringDelegate origin=null
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN name:provideDelegate visibility:public modality:FINAL <> ($this:Host, $receiver:kotlin.String, host:kotlin.Any?, p:kotlin.Any) returnType:StringDelegate flags:
       $this: VALUE_PARAMETER name:<this> type:Host flags:
@@ -90,15 +90,15 @@ FILE fqName:<root> fileName:/memberExtension.kt
               receiver: GET_VAR 'this@Host: Host' type=Host origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/topLevel.txt b/compiler/testData/ir/irText/declarations/provideDelegate/topLevel.txt
index 59777744db9..fa0ca6392eb 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/topLevel.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/topLevel.txt
@@ -28,16 +28,16 @@ FILE fqName:<root> fileName:/topLevel.kt
             $this: GET_VAR 'this@Delegate: Delegate' type=Delegate origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:DelegateProvider modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:DelegateProvider flags:
@@ -69,16 +69,16 @@ FILE fqName:<root> fileName:/topLevel.kt
               $this: GET_VAR 'this@DelegateProvider: DelegateProvider' type=DelegateProvider origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   PROPERTY name:testTopLevel type:kotlin.String visibility:public modality:FINAL flags:delegatedmval
     FIELD DELEGATE name:testTopLevel$delegate type:Delegate visibility:private
diff --git a/compiler/testData/ir/irText/declarations/typeAlias.txt b/compiler/testData/ir/irText/declarations/typeAlias.txt
index cd12b20ccf4..151e0f95522 100644
--- a/compiler/testData/ir/irText/declarations/typeAlias.txt
+++ b/compiler/testData/ir/irText/declarations/typeAlias.txt
@@ -14,15 +14,15 @@ FILE fqName:<root> fileName:/typeAlias.kt
     TYPEALIAS typealias TestNested = String type=kotlin.String
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/errors/suppressedNonPublicCall.txt b/compiler/testData/ir/irText/errors/suppressedNonPublicCall.txt
index cac16119cbb..8d7667e19ab 100644
--- a/compiler/testData/ir/irText/errors/suppressedNonPublicCall.txt
+++ b/compiler/testData/ir/irText/errors/suppressedNonPublicCall.txt
@@ -12,16 +12,16 @@ FILE fqName:<root> fileName:/suppressedNonPublicCall.kt
       BLOCK_BODY
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:foo visibility:public modality:FINAL <> ($receiver:C) returnType:Unit flags:inline
     $receiver: VALUE_PARAMETER name:<this> type:C flags:
diff --git a/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment1.txt b/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment1.txt
index 998c2d07d8b..e8f0ca75a5a 100644
--- a/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment1.txt
+++ b/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment1.txt
@@ -32,16 +32,16 @@ FILE fqName:<root> fileName:/arrayAugmentedAssignment1.kt
               receiver: GET_VAR 'this@C: C' type=C origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:testVariable visibility:public modality:FINAL <> () returnType:Unit flags:
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment2.txt b/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment2.txt
index bed5f3dc72d..d5251c483cc 100644
--- a/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment2.txt
+++ b/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment2.txt
@@ -8,16 +8,16 @@ FILE fqName:<root> fileName:/arrayAugmentedAssignment2.kt
       VALUE_PARAMETER name:index index:0 type:kotlin.String flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS INTERFACE name:IB modality:ABSTRACT visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:IB flags:
@@ -30,16 +30,16 @@ FILE fqName:<root> fileName:/arrayAugmentedAssignment2.kt
       VALUE_PARAMETER name:value index:1 type:kotlin.Int flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test visibility:public modality:FINAL <> ($receiver:IB, a:IA) returnType:Unit flags:
     $receiver: VALUE_PARAMETER name:<this> type:IB flags:
diff --git a/compiler/testData/ir/irText/expressions/assignments.txt b/compiler/testData/ir/irText/expressions/assignments.txt
index a768dd5bbac..b49e5c47841 100644
--- a/compiler/testData/ir/irText/expressions/assignments.txt
+++ b/compiler/testData/ir/irText/expressions/assignments.txt
@@ -27,16 +27,16 @@ FILE fqName:<root> fileName:/assignments.kt
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test1 visibility:public modality:FINAL <> () returnType:Unit flags:
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/augmentedAssignment2.txt b/compiler/testData/ir/irText/expressions/augmentedAssignment2.txt
index b42d4b6c63d..7a904e339c1 100644
--- a/compiler/testData/ir/irText/expressions/augmentedAssignment2.txt
+++ b/compiler/testData/ir/irText/expressions/augmentedAssignment2.txt
@@ -9,16 +9,16 @@ FILE fqName:<root> fileName:/augmentedAssignment2.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:plusAssign visibility:public modality:FINAL <> ($receiver:A, s:kotlin.String) returnType:Unit flags:
     $receiver: VALUE_PARAMETER name:<this> type:A flags:
diff --git a/compiler/testData/ir/irText/expressions/augmentedAssignmentWithExpression.txt b/compiler/testData/ir/irText/expressions/augmentedAssignmentWithExpression.txt
index 8c9a9438ea8..a7143270170 100644
--- a/compiler/testData/ir/irText/expressions/augmentedAssignmentWithExpression.txt
+++ b/compiler/testData/ir/irText/expressions/augmentedAssignmentWithExpression.txt
@@ -19,16 +19,16 @@ FILE fqName:<root> fileName:/augmentedAssignmentWithExpression.kt
           x: CONST Int type=kotlin.Int value=1
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:foo visibility:public modality:FINAL <> () returnType:Host flags:
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/boundCallableReferences.txt b/compiler/testData/ir/irText/expressions/boundCallableReferences.txt
index 038251608df..d9f76678ea0 100644
--- a/compiler/testData/ir/irText/expressions/boundCallableReferences.txt
+++ b/compiler/testData/ir/irText/expressions/boundCallableReferences.txt
@@ -22,16 +22,16 @@ FILE fqName:<root> fileName:/boundCallableReferences.kt
               receiver: GET_VAR 'this@A: A' type=A origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:qux visibility:public modality:FINAL <> ($receiver:A) returnType:Unit flags:
     $receiver: VALUE_PARAMETER name:<this> type:A flags:
diff --git a/compiler/testData/ir/irText/expressions/callableRefToGenericMember.txt b/compiler/testData/ir/irText/expressions/callableRefToGenericMember.txt
index b6d65675cf2..c90cf1749b4 100644
--- a/compiler/testData/ir/irText/expressions/callableRefToGenericMember.txt
+++ b/compiler/testData/ir/irText/expressions/callableRefToGenericMember.txt
@@ -25,16 +25,16 @@ FILE fqName:<root> fileName:/callableRefToGenericMember.kt
               receiver: GET_VAR 'this@A: A<T>' type=A<T> origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   PROPERTY name:test1 type:kotlin.reflect.KFunction1<A<kotlin.String>, kotlin.Unit> visibility:public modality:FINAL flags:val
     FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.reflect.KFunction1<A<kotlin.String>, kotlin.Unit> visibility:public
diff --git a/compiler/testData/ir/irText/expressions/callableReferenceToImportedFromObject.txt b/compiler/testData/ir/irText/expressions/callableReferenceToImportedFromObject.txt
index f921d41d8ad..c49b853cb0f 100644
--- a/compiler/testData/ir/irText/expressions/callableReferenceToImportedFromObject.txt
+++ b/compiler/testData/ir/irText/expressions/callableReferenceToImportedFromObject.txt
@@ -24,16 +24,16 @@ FILE fqName:test fileName:/callableReferenceToImportedFromObject.kt
           CONST String type=kotlin.String value=
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   PROPERTY name:test1 type:kotlin.reflect.KProperty0<kotlin.String> visibility:public modality:FINAL flags:val
     FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.reflect.KProperty0<kotlin.String> visibility:public
diff --git a/compiler/testData/ir/irText/expressions/castToTypeParameter.txt b/compiler/testData/ir/irText/expressions/castToTypeParameter.txt
index f7dbddd4c83..455ecab697e 100644
--- a/compiler/testData/ir/irText/expressions/castToTypeParameter.txt
+++ b/compiler/testData/ir/irText/expressions/castToTypeParameter.txt
@@ -102,14 +102,14 @@ FILE fqName:<root> fileName:/castToTypeParameter.kt
               GET_VAR 'this@castGenericMemberExtVal: TV' type=TV origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
diff --git a/compiler/testData/ir/irText/expressions/chainOfSafeCalls.txt b/compiler/testData/ir/irText/expressions/chainOfSafeCalls.txt
index 969eb5f35b6..0091762b1e6 100644
--- a/compiler/testData/ir/irText/expressions/chainOfSafeCalls.txt
+++ b/compiler/testData/ir/irText/expressions/chainOfSafeCalls.txt
@@ -19,16 +19,16 @@ FILE fqName:<root> fileName:/chainOfSafeCalls.kt
           GET_VAR 'this@C: C' type=C origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test visibility:public modality:FINAL <> (nc:C?) returnType:C? flags:
     VALUE_PARAMETER name:nc index:0 type:C? flags:
diff --git a/compiler/testData/ir/irText/expressions/classReference.txt b/compiler/testData/ir/irText/expressions/classReference.txt
index 8ec483dacb4..33b293c22ca 100644
--- a/compiler/testData/ir/irText/expressions/classReference.txt
+++ b/compiler/testData/ir/irText/expressions/classReference.txt
@@ -9,16 +9,16 @@ FILE fqName:<root> fileName:/classReference.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test visibility:public modality:FINAL <> () returnType:Unit flags:
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/complexAugmentedAssignment.txt b/compiler/testData/ir/irText/expressions/complexAugmentedAssignment.txt
index 64ef5962b03..960d5742284 100644
--- a/compiler/testData/ir/irText/expressions/complexAugmentedAssignment.txt
+++ b/compiler/testData/ir/irText/expressions/complexAugmentedAssignment.txt
@@ -76,42 +76,42 @@ FILE fqName:<root> fileName:/complexAugmentedAssignment.kt
                 value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
         FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
         FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test1 visibility:public modality:FINAL <> (a:kotlin.IntArray) returnType:Unit flags:
     VALUE_PARAMETER name:a index:0 type:kotlin.IntArray flags:
@@ -215,16 +215,16 @@ FILE fqName:<root> fileName:/complexAugmentedAssignment.kt
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS OBJECT name:Host modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Host flags:
@@ -251,16 +251,16 @@ FILE fqName:<root> fileName:/complexAugmentedAssignment.kt
                 $this: GET_VAR 'value-parameter b: B' type=B origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test3 visibility:public modality:FINAL <> ($receiver:Host, v:B) returnType:Unit flags:
     $receiver: VALUE_PARAMETER name:<this> type:Host flags:
diff --git a/compiler/testData/ir/irText/expressions/contructorCall.txt b/compiler/testData/ir/irText/expressions/contructorCall.txt
index fcda1cebe9e..f33ac975e35 100644
--- a/compiler/testData/ir/irText/expressions/contructorCall.txt
+++ b/compiler/testData/ir/irText/expressions/contructorCall.txt
@@ -9,16 +9,16 @@ FILE fqName:<root> fileName:/contructorCall.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   PROPERTY name:test type:A visibility:public modality:FINAL flags:val
     FIELD PROPERTY_BACKING_FIELD name:test type:A visibility:public
diff --git a/compiler/testData/ir/irText/expressions/conventionComparisons.txt b/compiler/testData/ir/irText/expressions/conventionComparisons.txt
index 2c959ea5910..e2223be7886 100644
--- a/compiler/testData/ir/irText/expressions/conventionComparisons.txt
+++ b/compiler/testData/ir/irText/expressions/conventionComparisons.txt
@@ -5,16 +5,16 @@ FILE fqName:<root> fileName:/conventionComparisons.kt
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS INTERFACE name:IB modality:ABSTRACT visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:IB flags:
@@ -26,16 +26,16 @@ FILE fqName:<root> fileName:/conventionComparisons.kt
       VALUE_PARAMETER name:other index:0 type:IA flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test1 visibility:public modality:FINAL <> ($receiver:IB, a1:IA, a2:IA) returnType:Boolean flags:
     $receiver: VALUE_PARAMETER name:<this> type:IB flags:
diff --git a/compiler/testData/ir/irText/expressions/destructuring1.txt b/compiler/testData/ir/irText/expressions/destructuring1.txt
index 0ed46003b17..e886b55dc80 100644
--- a/compiler/testData/ir/irText/expressions/destructuring1.txt
+++ b/compiler/testData/ir/irText/expressions/destructuring1.txt
@@ -9,16 +9,16 @@ FILE fqName:<root> fileName:/destructuring1.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS OBJECT name:B modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:B flags:
@@ -42,16 +42,16 @@ FILE fqName:<root> fileName:/destructuring1.kt
           CONST Int type=kotlin.Int value=2
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test visibility:public modality:FINAL <> ($receiver:B) returnType:Unit flags:
     $receiver: VALUE_PARAMETER name:<this> type:B flags:
diff --git a/compiler/testData/ir/irText/expressions/destructuringWithUnderscore.txt b/compiler/testData/ir/irText/expressions/destructuringWithUnderscore.txt
index f50f9e74a0a..8bf5ec12359 100644
--- a/compiler/testData/ir/irText/expressions/destructuringWithUnderscore.txt
+++ b/compiler/testData/ir/irText/expressions/destructuringWithUnderscore.txt
@@ -9,16 +9,16 @@ FILE fqName:<root> fileName:/destructuringWithUnderscore.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS OBJECT name:B modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:B flags:
@@ -48,16 +48,16 @@ FILE fqName:<root> fileName:/destructuringWithUnderscore.kt
           CONST Int type=kotlin.Int value=3
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test visibility:public modality:FINAL <> ($receiver:B) returnType:Unit flags:
     $receiver: VALUE_PARAMETER name:<this> type:B flags:
diff --git a/compiler/testData/ir/irText/expressions/enumEntryAsReceiver.txt b/compiler/testData/ir/irText/expressions/enumEntryAsReceiver.txt
index 1b006b44323..dd97420b499 100644
--- a/compiler/testData/ir/irText/expressions/enumEntryAsReceiver.txt
+++ b/compiler/testData/ir/irText/expressions/enumEntryAsReceiver.txt
@@ -91,43 +91,43 @@ FILE fqName:<root> fileName:/enumEntryAsReceiver.kt
         $this: VALUE_PARAMETER name:<this> type:X flags:
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<X>) returnType:Any flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<X> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<X>) returnType:Unit flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<X> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<X>) returnType:(java.lang.Class<(X..X?)>..java.lang.Class<(X..X?)>?) flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<X> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<X>, other:X) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<X> flags:
       VALUE_PARAMETER name:other index:0 type:X flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<X>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<X> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<X>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<X> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<X>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<X> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<X>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<X> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<X>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<E>) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<X> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<X> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
diff --git a/compiler/testData/ir/irText/expressions/extFunInvokeAsFun__builtinsmodule.txt b/compiler/testData/ir/irText/expressions/extFunInvokeAsFun__builtinsmodule.txt
index d65d3218d70..c6a14dadaa9 100644
--- a/compiler/testData/ir/irText/expressions/extFunInvokeAsFun__builtinsmodule.txt
+++ b/compiler/testData/ir/irText/expressions/extFunInvokeAsFun__builtinsmodule.txt
@@ -1,19 +1,24 @@
 MODULE_FRAGMENT name:<built-ins module>
   EXTERNAL_PACKAGE_FRAGMENT fqName:kotlin
     CLASS IR_EXTERNAL_DECLARATION_STUB INTERFACE name:Function1 modality:ABSTRACT visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:(P1) -> R flags:
       superClasses:
         UNBOUND: interface Function<out R>
       TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:P1 index:0 variance:in upperBounds:[kotlin.Any?]
       TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:R index:1 variance:out upperBounds:[kotlin.Any?]
-      FUN IR_EXTERNAL_DECLARATION_STUB name:invoke visibility:public modality:ABSTRACT <> (p1:P1) returnType:R flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:invoke visibility:public modality:ABSTRACT <> ($this:(P1) -> R, p1:P1) returnType:R flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:(P1) -> R flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:0 type:P1 flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
           UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+      FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
           UNBOUND: fun hashCode(): kotlin.Int
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
           UNBOUND: fun toString(): kotlin.String
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
diff --git a/compiler/testData/ir/irText/expressions/floatingPointComparisons/typeParameterWithPrimitiveNumericSupertype.txt b/compiler/testData/ir/irText/expressions/floatingPointComparisons/typeParameterWithPrimitiveNumericSupertype.txt
index 2233daa3f66..6d3557486cd 100644
--- a/compiler/testData/ir/irText/expressions/floatingPointComparisons/typeParameterWithPrimitiveNumericSupertype.txt
+++ b/compiler/testData/ir/irText/expressions/floatingPointComparisons/typeParameterWithPrimitiveNumericSupertype.txt
@@ -182,15 +182,15 @@ FILE fqName:<root> fileName:/typeParameterWithPrimitiveNumericSupertype.kt
               then: CONST Boolean type=kotlin.Boolean value=false
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/expressions/forWithImplicitReceivers.txt b/compiler/testData/ir/irText/expressions/forWithImplicitReceivers.txt
index 3991ffcd79a..42ce13f7443 100644
--- a/compiler/testData/ir/irText/expressions/forWithImplicitReceivers.txt
+++ b/compiler/testData/ir/irText/expressions/forWithImplicitReceivers.txt
@@ -9,16 +9,16 @@ FILE fqName:<root> fileName:/forWithImplicitReceivers.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='FiveTimes'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:IntCell modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:IntCell flags:
@@ -48,16 +48,16 @@ FILE fqName:<root> fileName:/forWithImplicitReceivers.kt
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS INTERFACE name:IReceiver modality:ABSTRACT visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:IReceiver flags:
@@ -98,16 +98,16 @@ FILE fqName:<root> fileName:/forWithImplicitReceivers.kt
               GET_VAR 'tmp1: Int' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test visibility:public modality:FINAL <> ($receiver:IReceiver) returnType:Unit flags:
     $receiver: VALUE_PARAMETER name:<this> type:IReceiver flags:
diff --git a/compiler/testData/ir/irText/expressions/implicitCastToTypeParameter.txt b/compiler/testData/ir/irText/expressions/implicitCastToTypeParameter.txt
index 7c41db60551..f74d4f37f83 100644
--- a/compiler/testData/ir/irText/expressions/implicitCastToTypeParameter.txt
+++ b/compiler/testData/ir/irText/expressions/implicitCastToTypeParameter.txt
@@ -26,16 +26,16 @@ FILE fqName:<root> fileName:/implicitCastToTypeParameter.kt
         CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   PROPERTY name:asT type:T? visibility:public modality:FINAL flags:val
     FUN name:<get-asT> visibility:public modality:FINAL <T> ($receiver:Foo<T>) returnType:T? flags:inline
diff --git a/compiler/testData/ir/irText/expressions/interfaceThisRef.txt b/compiler/testData/ir/irText/expressions/interfaceThisRef.txt
index 886050a1677..77796d77d23 100644
--- a/compiler/testData/ir/irText/expressions/interfaceThisRef.txt
+++ b/compiler/testData/ir/irText/expressions/interfaceThisRef.txt
@@ -12,15 +12,15 @@ FILE fqName:<root> fileName:/interfaceThisRef.kt
           $this: GET_VAR 'this@IFoo: IFoo' type=IFoo origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/expressions/jvmInstanceFieldReference.txt b/compiler/testData/ir/irText/expressions/jvmInstanceFieldReference.txt
index e3f7a984d19..f3fdfd48b05 100644
--- a/compiler/testData/ir/irText/expressions/jvmInstanceFieldReference.txt
+++ b/compiler/testData/ir/irText/expressions/jvmInstanceFieldReference.txt
@@ -29,15 +29,15 @@ FILE fqName:<root> fileName:/Derived.kt
       FIELD FAKE_OVERRIDE name:value type:kotlin.Int visibility:public
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/expressions/jvmStaticFieldReference.txt b/compiler/testData/ir/irText/expressions/jvmStaticFieldReference.txt
index c1441f51012..0674c6fdf2a 100644
--- a/compiler/testData/ir/irText/expressions/jvmStaticFieldReference.txt
+++ b/compiler/testData/ir/irText/expressions/jvmStaticFieldReference.txt
@@ -60,15 +60,15 @@ FILE fqName:<root> fileName:/jvmStaticFieldReference.kt
           x: CONST String type=kotlin.String value=TestClass/init
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/expressions/kt16904.txt b/compiler/testData/ir/irText/expressions/kt16904.txt
index 5ace7377382..8b61b234a09 100644
--- a/compiler/testData/ir/irText/expressions/kt16904.txt
+++ b/compiler/testData/ir/irText/expressions/kt16904.txt
@@ -36,16 +36,16 @@ FILE fqName:<root> fileName:/kt16904.kt
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:B modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:B flags:
@@ -61,16 +61,16 @@ FILE fqName:<root> fileName:/kt16904.kt
       BLOCK_BODY
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Test1 modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Test1 flags:
@@ -141,15 +141,15 @@ FILE fqName:<root> fileName:/kt16904.kt
       FIELD FAKE_OVERRIDE name:field type:kotlin.Int visibility:public
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/expressions/kt16905.txt b/compiler/testData/ir/irText/expressions/kt16905.txt
index a7d3eb5921b..ceb0720d93e 100644
--- a/compiler/testData/ir/irText/expressions/kt16905.txt
+++ b/compiler/testData/ir/irText/expressions/kt16905.txt
@@ -18,16 +18,16 @@ FILE fqName:<root> fileName:/kt16905.kt
           INSTANCE_INITIALIZER_CALL classDescriptor='Inner'
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     CLASS CLASS name:InnerDerived0 modality:FINAL visibility:public flags:
       $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Outer.InnerDerived0 flags:
@@ -77,16 +77,16 @@ FILE fqName:<root> fileName:/kt16905.kt
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   TYPEALIAS typealias OI = Outer.Inner type=Outer.Inner
   FUN name:test visibility:public modality:FINAL <> () returnType:Inner flags:
diff --git a/compiler/testData/ir/irText/expressions/kt23030.txt b/compiler/testData/ir/irText/expressions/kt23030.txt
index 2049e03f38b..dbc07fd9f47 100644
--- a/compiler/testData/ir/irText/expressions/kt23030.txt
+++ b/compiler/testData/ir/irText/expressions/kt23030.txt
@@ -130,14 +130,14 @@ FILE fqName:<root> fileName:/kt23030.kt
               then: CONST Boolean type=kotlin.Boolean value=false
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
diff --git a/compiler/testData/ir/irText/expressions/membersImportedFromObject.txt b/compiler/testData/ir/irText/expressions/membersImportedFromObject.txt
index c6db9a0038c..92955f0360e 100644
--- a/compiler/testData/ir/irText/expressions/membersImportedFromObject.txt
+++ b/compiler/testData/ir/irText/expressions/membersImportedFromObject.txt
@@ -37,16 +37,16 @@ FILE fqName:<root> fileName:/membersImportedFromObject.kt
             CONST Int type=kotlin.Int value=43
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   PROPERTY name:test1 type:kotlin.Int visibility:public modality:FINAL flags:val
     FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:public
diff --git a/compiler/testData/ir/irText/expressions/multipleThisReferences.txt b/compiler/testData/ir/irText/expressions/multipleThisReferences.txt
index 3e87a75cfe9..05d768caf04 100644
--- a/compiler/testData/ir/irText/expressions/multipleThisReferences.txt
+++ b/compiler/testData/ir/irText/expressions/multipleThisReferences.txt
@@ -29,29 +29,29 @@ FILE fqName:<root> fileName:/multipleThisReferences.kt
                 receiver: GET_VAR 'this@Inner: Inner' type=Outer.Inner origin=null
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS CLASS name:Host modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:Host flags:
@@ -123,15 +123,15 @@ FILE fqName:<root> fileName:/multipleThisReferences.kt
             CALL 'constructor <no name provided>()' type=Host.test.<no name provided> origin=OBJECT_LITERAL
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/expressions/objectAsCallable.txt b/compiler/testData/ir/irText/expressions/objectAsCallable.txt
index fe27b2570cd..be46d46a073 100644
--- a/compiler/testData/ir/irText/expressions/objectAsCallable.txt
+++ b/compiler/testData/ir/irText/expressions/objectAsCallable.txt
@@ -9,16 +9,16 @@ FILE fqName:<root> fileName:/objectAsCallable.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS ENUM_CLASS name:En modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:En flags:
@@ -33,43 +33,43 @@ FILE fqName:<root> fileName:/objectAsCallable.kt
       init: ENUM_CONSTRUCTOR_CALL 'constructor En()'
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<En>) returnType:Any flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<En> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<En>) returnType:Unit flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<En> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<En>) returnType:(java.lang.Class<(En..En?)>..java.lang.Class<(En..En?)>?) flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<En> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<En>, other:En) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<En> flags:
       VALUE_PARAMETER name:other index:0 type:En flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<En>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<En> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<En>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<En> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<En>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<En> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<En>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<En> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<En>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<E>) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<En> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<En> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
diff --git a/compiler/testData/ir/irText/expressions/objectClassReference.txt b/compiler/testData/ir/irText/expressions/objectClassReference.txt
index 084618fb238..da0f5ba85ff 100644
--- a/compiler/testData/ir/irText/expressions/objectClassReference.txt
+++ b/compiler/testData/ir/irText/expressions/objectClassReference.txt
@@ -9,16 +9,16 @@ FILE fqName:<root> fileName:/objectClassReference.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test visibility:public modality:FINAL <> () returnType:Unit flags:
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/outerClassInstanceReference.txt b/compiler/testData/ir/irText/expressions/outerClassInstanceReference.txt
index a55eb2fd66a..8f4d0350a90 100644
--- a/compiler/testData/ir/irText/expressions/outerClassInstanceReference.txt
+++ b/compiler/testData/ir/irText/expressions/outerClassInstanceReference.txt
@@ -27,28 +27,28 @@ FILE fqName:<root> fileName:/outerClassInstanceReference.kt
               $this: GET_VAR 'this@Outer: Outer' type=Outer origin=null
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/expressions/primitivesImplicitConversions.txt b/compiler/testData/ir/irText/expressions/primitivesImplicitConversions.txt
index 518e13940c9..38434c6b8f9 100644
--- a/compiler/testData/ir/irText/expressions/primitivesImplicitConversions.txt
+++ b/compiler/testData/ir/irText/expressions/primitivesImplicitConversions.txt
@@ -115,15 +115,15 @@ FILE fqName:<root> fileName:/primitivesImplicitConversions.kt
               receiver: GET_VAR 'this@TestImplicitArguments: TestImplicitArguments' type=TestImplicitArguments origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/expressions/reflectionLiterals.txt b/compiler/testData/ir/irText/expressions/reflectionLiterals.txt
index 68a037f35c1..63877dc571f 100644
--- a/compiler/testData/ir/irText/expressions/reflectionLiterals.txt
+++ b/compiler/testData/ir/irText/expressions/reflectionLiterals.txt
@@ -12,16 +12,16 @@ FILE fqName:<root> fileName:/reflectionLiterals.kt
       BLOCK_BODY
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:bar visibility:public modality:FINAL <> () returnType:Unit flags:
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/safeAssignment.txt b/compiler/testData/ir/irText/expressions/safeAssignment.txt
index 65f8619a8c7..3c354d38fcd 100644
--- a/compiler/testData/ir/irText/expressions/safeAssignment.txt
+++ b/compiler/testData/ir/irText/expressions/safeAssignment.txt
@@ -27,16 +27,16 @@ FILE fqName:<root> fileName:/safeAssignment.kt
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test visibility:public modality:FINAL <> (nc:C?) returnType:Unit flags:
     VALUE_PARAMETER name:nc index:0 type:C? flags:
diff --git a/compiler/testData/ir/irText/expressions/safeCallWithIncrementDecrement.txt b/compiler/testData/ir/irText/expressions/safeCallWithIncrementDecrement.txt
index 2bd181adb9f..b1c4d395009 100644
--- a/compiler/testData/ir/irText/expressions/safeCallWithIncrementDecrement.txt
+++ b/compiler/testData/ir/irText/expressions/safeCallWithIncrementDecrement.txt
@@ -9,16 +9,16 @@ FILE fqName:test fileName:/safeCallWithIncrementDecrement.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='C'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   PROPERTY name:p type:kotlin.Int visibility:public modality:FINAL flags:var
     FUN name:<get-p> visibility:public modality:FINAL <> ($receiver:test.C?) returnType:Int flags:
diff --git a/compiler/testData/ir/irText/expressions/safeCalls.txt b/compiler/testData/ir/irText/expressions/safeCalls.txt
index 7e3f49c9904..e563cae2ca6 100644
--- a/compiler/testData/ir/irText/expressions/safeCalls.txt
+++ b/compiler/testData/ir/irText/expressions/safeCalls.txt
@@ -27,16 +27,16 @@ FILE fqName:<root> fileName:/safeCalls.kt
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS INTERFACE name:IHost modality:ABSTRACT visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:IHost flags:
@@ -51,16 +51,16 @@ FILE fqName:<root> fileName:/safeCalls.kt
             $this: GET_VAR 'this@extLength: String' type=kotlin.String origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test1 visibility:public modality:FINAL <> (x:kotlin.String?) returnType:Int? flags:
     VALUE_PARAMETER name:x index:0 type:kotlin.String? flags:
diff --git a/compiler/testData/ir/irText/expressions/setFieldWithImplicitCast.txt b/compiler/testData/ir/irText/expressions/setFieldWithImplicitCast.txt
index 337986c21bd..dfc9592b5b6 100644
--- a/compiler/testData/ir/irText/expressions/setFieldWithImplicitCast.txt
+++ b/compiler/testData/ir/irText/expressions/setFieldWithImplicitCast.txt
@@ -26,15 +26,15 @@ FILE fqName:<root> fileName:/Derived.kt
       FIELD FAKE_OVERRIDE name:value type:kotlin.String! visibility:public
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/expressions/smartCastsWithDestructuring.txt b/compiler/testData/ir/irText/expressions/smartCastsWithDestructuring.txt
index 8a391dd9dc8..4fdeae3ef0c 100644
--- a/compiler/testData/ir/irText/expressions/smartCastsWithDestructuring.txt
+++ b/compiler/testData/ir/irText/expressions/smartCastsWithDestructuring.txt
@@ -5,16 +5,16 @@ FILE fqName:<root> fileName:/smartCastsWithDestructuring.kt
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS INTERFACE name:I2 modality:ABSTRACT visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:I2 flags:
@@ -22,16 +22,16 @@ FILE fqName:<root> fileName:/smartCastsWithDestructuring.kt
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:component1 visibility:public modality:FINAL <> ($receiver:I1) returnType:Int flags:
     $receiver: VALUE_PARAMETER name:<this> type:I1 flags:
diff --git a/compiler/testData/ir/irText/expressions/thisOfGenericOuterClass.txt b/compiler/testData/ir/irText/expressions/thisOfGenericOuterClass.txt
index af740a9a267..691ff344162 100644
--- a/compiler/testData/ir/irText/expressions/thisOfGenericOuterClass.txt
+++ b/compiler/testData/ir/irText/expressions/thisOfGenericOuterClass.txt
@@ -43,29 +43,29 @@ FILE fqName:<root> fileName:/thisOfGenericOuterClass.kt
                 receiver: GET_VAR 'this@Inner: Inner<T>' type=Outer<T>.Inner origin=null
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test visibility:public modality:FINAL <> ($receiver:Outer<kotlin.Int>) returnType:Inner<Int> flags:
     $receiver: VALUE_PARAMETER name:<this> type:Outer<kotlin.Int> flags:
diff --git a/compiler/testData/ir/irText/expressions/typeOperators.txt b/compiler/testData/ir/irText/expressions/typeOperators.txt
index b2d7e2c3651..6bf614e5828 100644
--- a/compiler/testData/ir/irText/expressions/typeOperators.txt
+++ b/compiler/testData/ir/irText/expressions/typeOperators.txt
@@ -5,16 +5,16 @@ FILE fqName:<root> fileName:/typeOperators.kt
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test1 visibility:public modality:FINAL <> (x:kotlin.Any) returnType:Boolean flags:
     VALUE_PARAMETER name:x index:0 type:kotlin.Any flags:
diff --git a/compiler/testData/ir/irText/expressions/typeParameterClassLiteral.txt b/compiler/testData/ir/irText/expressions/typeParameterClassLiteral.txt
index 1648ac34dac..9143c7c7fc2 100644
--- a/compiler/testData/ir/irText/expressions/typeParameterClassLiteral.txt
+++ b/compiler/testData/ir/irText/expressions/typeParameterClassLiteral.txt
@@ -60,14 +60,14 @@ FILE fqName:<root> fileName:/typeParameterClassLiteral.kt
             CLASS_REFERENCE '<reified TV : Any>' type=kotlin.reflect.KClass<TV>
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
diff --git a/compiler/testData/ir/irText/expressions/values.txt b/compiler/testData/ir/irText/expressions/values.txt
index 0ed2a62dcd3..c88678e58cf 100644
--- a/compiler/testData/ir/irText/expressions/values.txt
+++ b/compiler/testData/ir/irText/expressions/values.txt
@@ -12,43 +12,43 @@ FILE fqName:<root> fileName:/values.kt
       init: ENUM_CONSTRUCTOR_CALL 'constructor Enum()'
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<Enum>) returnType:Any flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Enum> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<Enum>) returnType:Unit flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Enum> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<Enum>) returnType:(java.lang.Class<(Enum..Enum?)>..java.lang.Class<(Enum..Enum?)>?) flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Enum> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<Enum>, other:Enum) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Enum> flags:
       VALUE_PARAMETER name:other index:0 type:Enum flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<Enum>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Enum> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<Enum>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Enum> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<Enum>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Enum> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<Enum>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Enum> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<Enum>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<E>) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Enum> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<Enum> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
@@ -65,16 +65,16 @@ FILE fqName:<root> fileName:/values.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   PROPERTY name:a type:kotlin.Int visibility:public modality:FINAL flags:val
     FIELD PROPERTY_BACKING_FIELD name:a type:kotlin.Int visibility:public
@@ -102,29 +102,29 @@ FILE fqName:<root> fileName:/values.kt
           INSTANCE_INITIALIZER_CALL classDescriptor='companion object of Z'
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test1 visibility:public modality:FINAL <> () returnType:Enum flags:
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/when.txt b/compiler/testData/ir/irText/expressions/when.txt
index 66af1d235e3..d89e3a8d880 100644
--- a/compiler/testData/ir/irText/expressions/when.txt
+++ b/compiler/testData/ir/irText/expressions/when.txt
@@ -9,16 +9,16 @@ FILE fqName:<root> fileName:/when.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:testWithSubject visibility:public modality:FINAL <> (x:kotlin.Any?) returnType:String flags:
     VALUE_PARAMETER name:x index:0 type:kotlin.Any? flags:
diff --git a/compiler/testData/ir/irText/lambdas/destructuringInLambda.txt b/compiler/testData/ir/irText/lambdas/destructuringInLambda.txt
index dde562a9af9..63c32614141 100644
--- a/compiler/testData/ir/irText/lambdas/destructuringInLambda.txt
+++ b/compiler/testData/ir/irText/lambdas/destructuringInLambda.txt
@@ -58,7 +58,7 @@ FILE fqName:<root> fileName:/destructuringInLambda.kt
             y: GET_VAR 'value-parameter y: Int = ...' type=kotlin.Int origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:A) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:A flags:
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='toString(): String'
@@ -74,7 +74,7 @@ FILE fqName:<root> fileName:/destructuringInLambda.kt
             CONST String type=kotlin.String value=)
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:A) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:A flags:
       BLOCK_BODY
         VAR IR_TEMPORARY_VARIABLE name:tmp0_result type:kotlin.Int flags:var
@@ -95,7 +95,7 @@ FILE fqName:<root> fileName:/destructuringInLambda.kt
           GET_VAR 'tmp0_result: Int' type=kotlin.Int origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:A, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:A flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       BLOCK_BODY
diff --git a/compiler/testData/ir/irText/lambdas/multipleImplicitReceivers.txt b/compiler/testData/ir/irText/lambdas/multipleImplicitReceivers.txt
index 031783f20b1..f1c1ae0b655 100644
--- a/compiler/testData/ir/irText/lambdas/multipleImplicitReceivers.txt
+++ b/compiler/testData/ir/irText/lambdas/multipleImplicitReceivers.txt
@@ -9,16 +9,16 @@ FILE fqName:<root> fileName:/multipleImplicitReceivers.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS OBJECT name:B modality:FINAL visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:B flags:
@@ -30,16 +30,16 @@ FILE fqName:<root> fileName:/multipleImplicitReceivers.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='B'
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS INTERFACE name:IFoo modality:ABSTRACT visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:IFoo flags:
@@ -54,16 +54,16 @@ FILE fqName:<root> fileName:/multipleImplicitReceivers.kt
             GET_OBJECT 'B' type=B
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   CLASS INTERFACE name:IInvoke modality:ABSTRACT visibility:public flags:
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:IInvoke flags:
@@ -77,16 +77,16 @@ FILE fqName:<root> fileName:/multipleImplicitReceivers.kt
           CONST Int type=kotlin.Int value=42
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:test visibility:public modality:FINAL <> (fooImpl:IFoo, invokeImpl:IInvoke) returnType:Unit flags:
     VALUE_PARAMETER name:fooImpl index:0 type:IFoo flags:
diff --git a/compiler/testData/ir/irText/regressions/integerCoercionToT.txt b/compiler/testData/ir/irText/regressions/integerCoercionToT.txt
index 6427aedfcd9..a4191669533 100644
--- a/compiler/testData/ir/irText/regressions/integerCoercionToT.txt
+++ b/compiler/testData/ir/irText/regressions/integerCoercionToT.txt
@@ -5,16 +5,16 @@ FILE fqName:<root> fileName:/integerCoercionToT.kt
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:reinterpret visibility:public modality:FINAL <T> ($receiver:CPointed) returnType:T flags:inline
     TYPE_PARAMETER name:T index:0 variance: upperBounds:[CPointed]
diff --git a/compiler/testData/ir/irText/regressions/newInference/fixationOrder1.txt b/compiler/testData/ir/irText/regressions/newInference/fixationOrder1.txt
index 765e6b05358..e2663417bfd 100644
--- a/compiler/testData/ir/irText/regressions/newInference/fixationOrder1.txt
+++ b/compiler/testData/ir/irText/regressions/newInference/fixationOrder1.txt
@@ -21,16 +21,16 @@ FILE fqName:<root> fileName:/fixationOrder1.kt
         CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   FUN name:check visibility:public modality:FINAL <T, R> (x:T, y:R, f:(T) -> R) returnType:Inv2<T, R> flags:
     TYPE_PARAMETER name:T index:0 variance: upperBounds:[kotlin.Any?]
diff --git a/compiler/testData/ir/irText/regressions/typeAliasCtorForGenericClass.txt b/compiler/testData/ir/irText/regressions/typeAliasCtorForGenericClass.txt
index 06e48aca2d6..40af356499b 100644
--- a/compiler/testData/ir/irText/regressions/typeAliasCtorForGenericClass.txt
+++ b/compiler/testData/ir/irText/regressions/typeAliasCtorForGenericClass.txt
@@ -23,16 +23,16 @@ FILE fqName:<root> fileName:/typeAliasCtorForGenericClass.kt
               receiver: GET_VAR 'this@A: A<Q>' type=A<Q> origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
   TYPEALIAS typealias B = A<X> type=A<X>
   TYPEALIAS typealias B2 = A<A<T>> type=A<A<T>>
diff --git a/compiler/testData/ir/irText/singletons/companion.txt b/compiler/testData/ir/irText/singletons/companion.txt
index 17c25155b48..1d65f3b27b3 100644
--- a/compiler/testData/ir/irText/singletons/companion.txt
+++ b/compiler/testData/ir/irText/singletons/companion.txt
@@ -25,28 +25,28 @@ FILE fqName:<root> fileName:/companion.kt
         BLOCK_BODY
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/singletons/enumEntry.txt b/compiler/testData/ir/irText/singletons/enumEntry.txt
index 098d1cbc787..d31721da508 100644
--- a/compiler/testData/ir/irText/singletons/enumEntry.txt
+++ b/compiler/testData/ir/irText/singletons/enumEntry.txt
@@ -36,16 +36,16 @@ FILE fqName:<root> fileName:/enumEntry.kt
                 $this: GET_ENUM 'ENTRY' type=Z.ENTRY
           FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
             overridden:
-              FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+              FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
             $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
             VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
           FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
             overridden:
-              FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+              FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
             $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
           FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
             overridden:
-              FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+              FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
             $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<Z>) returnType:Any flags:
           overridden:
@@ -89,43 +89,43 @@ FILE fqName:<root> fileName:/enumEntry.kt
           $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Z> flags:
     FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<Z>) returnType:Any flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Any flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Z> flags:
     FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<Z>) returnType:Unit flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Z> flags:
     FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<Z>) returnType:(java.lang.Class<(Z..Z?)>..java.lang.Class<(Z..Z?)>?) flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:(java.lang.Class<(E..E?)>..java.lang.Class<(E..E?)>?) flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Z> flags:
     FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<Z>, other:Z) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:E) returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:E) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Z> flags:
       VALUE_PARAMETER name:other index:0 type:Z flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<Z>, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<E>, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Z> flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<Z>) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Z> flags:
     PROPERTY FAKE_OVERRIDE name:name type:kotlin.String visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<Z>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Z> flags:
     PROPERTY FAKE_OVERRIDE name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
       FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<Z>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<E>) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Z> flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<Z>) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<E>) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum<Z> flags:
     FUN ENUM_CLASS_SPECIAL_MEMBER name:values visibility:public modality:FINAL <> () returnType:Array<Z> flags:
       SYNTHETIC_BODY kind=ENUM_VALUES
diff --git a/compiler/testData/ir/irText/singletons/object.txt b/compiler/testData/ir/irText/singletons/object.txt
index dd6f249bf6f..ceb2b338497 100644
--- a/compiler/testData/ir/irText/singletons/object.txt
+++ b/compiler/testData/ir/irText/singletons/object.txt
@@ -25,28 +25,28 @@ FILE fqName:<root> fileName:/object.kt
             $this: GET_OBJECT 'Z' type=Z
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
       FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/stubs/builtinMap__builtinsmodule.txt b/compiler/testData/ir/irText/stubs/builtinMap__builtinsmodule.txt
index 1955faee595..aeb343430de 100644
--- a/compiler/testData/ir/irText/stubs/builtinMap__builtinsmodule.txt
+++ b/compiler/testData/ir/irText/stubs/builtinMap__builtinsmodule.txt
@@ -1,139 +1,181 @@
 MODULE_FRAGMENT name:<built-ins module>
   EXTERNAL_PACKAGE_FRAGMENT fqName:kotlin
     CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
       CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> () returnType:kotlin.Any flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
     CLASS IR_EXTERNAL_DECLARATION_STUB OBJECT name:Unit modality:FINAL visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Unit flags:
       superClasses:
         CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
       CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:private <> () returnType:kotlin.Unit flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+      FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Unit) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Unit flags:
   EXTERNAL_PACKAGE_FRAGMENT fqName:kotlin.collections
     CLASS IR_EXTERNAL_DECLARATION_STUB INTERFACE name:MutableMap modality:ABSTRACT visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
       superClasses:
         UNBOUND: interface Map<K, out V>
       TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:K index:0 variance: upperBounds:[kotlin.Any?]
       TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:V index:1 variance: upperBounds:[kotlin.Any?]
-      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (key:K, value:V) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, key:K, value:V) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> (key:K, defaultValue:V) returnType:V flags:
+      FUN FAKE_OVERRIDE name:getOrDefault visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K, V>, key:K, defaultValue:V) returnType:V flags:
         overridden:
           UNBOUND: fun getOrDefault(key: K, defaultValue: V): V
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:defaultValue index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:ABSTRACT <> () returnType:Unit flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:ABSTRACT <> (key:K, value:V) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>, key:K, value:V) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:ABSTRACT <> (from:kotlin.collections.Map<out K, V>) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>, from:kotlin.collections.Map<out K, V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:from index:0 type:kotlin.collections.Map<out K, V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:ABSTRACT <> (key:K) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>, key:K) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:ABSTRACT <> (key:K) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:containsKey visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, key:K) returnType:Boolean flags:
         overridden:
           UNBOUND: fun containsKey(key: K): kotlin.Boolean
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:ABSTRACT <> (value:V) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:containsValue visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, value:V) returnType:Boolean flags:
         overridden:
           UNBOUND: fun containsValue(value: V): kotlin.Boolean
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:0 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:ABSTRACT <> (key:K) returnType:V? flags:
+      FUN FAKE_OVERRIDE name:get visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, key:K) returnType:V? flags:
         overridden:
           UNBOUND: operator fun get(key: K): V?
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:ABSTRACT <> () returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:isEmpty visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Boolean flags:
         overridden:
           UNBOUND: fun isEmpty(): kotlin.Boolean
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:size type:kotlin.Int visibility:public modality:ABSTRACT flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:ABSTRACT <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:<get-size> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Int flags:
           overridden:
             UNBOUND: fun <get-size>(): kotlin.Int
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:entries type:kotlin.collections.MutableSet<kotlin.collections.MutableMap.MutableEntry<K, V>> visibility:public modality:ABSTRACT flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> () returnType:MutableSet<MutableEntry<K, V>> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:MutableSet<MutableEntry<K, V>> flags:
           overridden:
             UNBOUND: fun <get-entries>(): kotlin.collections.Set<kotlin.collections.Map.Entry<K, V>>
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:keys type:kotlin.collections.MutableSet<K> visibility:public modality:ABSTRACT flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:ABSTRACT <> () returnType:MutableSet<K> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:MutableSet<K> flags:
           overridden:
             UNBOUND: fun <get-keys>(): kotlin.collections.Set<K>
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:values type:kotlin.collections.MutableCollection<V> visibility:public modality:ABSTRACT flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:ABSTRACT <> () returnType:MutableCollection<V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:MutableCollection<V> flags:
           overridden:
             UNBOUND: fun <get-values>(): kotlin.collections.Collection<V>
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
       CLASS IR_EXTERNAL_DECLARATION_STUB INTERFACE name:MutableEntry modality:ABSTRACT visibility:public flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap.MutableEntry<K, V> flags:
         superClasses:
           UNBOUND: interface Entry<out K, out V>
         TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:K index:0 variance: upperBounds:[kotlin.Any?]
         TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:V index:1 variance: upperBounds:[kotlin.Any?]
-        FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:ABSTRACT <> (newValue:V) returnType:V flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap.MutableEntry<K, V>, newValue:V) returnType:V flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap.MutableEntry<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:newValue index:0 type:V flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:key type:K visibility:public modality:ABSTRACT flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:ABSTRACT <> () returnType:K flags:
+          FUN FAKE_OVERRIDE name:<get-key> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map.Entry<K, V>) returnType:K flags:
             overridden:
               UNBOUND: fun <get-key>(): K
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map.Entry<K, V> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:value type:V visibility:public modality:ABSTRACT flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:ABSTRACT <> () returnType:V flags:
+          FUN FAKE_OVERRIDE name:<get-value> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map.Entry<K, V>) returnType:V flags:
             overridden:
               UNBOUND: fun <get-value>(): V
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map.Entry<K, V> flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
             UNBOUND: fun toString(): kotlin.String
-      FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> (p0:K, p1:java.util.function.BiFunction<in K, in V?, out V?>) returnType:V? flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:java.util.function.BiFunction<in K, in V?, out V?>) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.function.BiFunction<in K, in V?, out V?> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> (p0:K, p1:java.util.function.Function<in K, out V>) returnType:V flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:java.util.function.Function<in K, out V>) returnType:V flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.function.Function<in K, out V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> (p0:K, p1:java.util.function.BiFunction<in K, in V, out V?>) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:java.util.function.BiFunction<in K, in V, out V?>) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.function.BiFunction<in K, in V, out V?> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> (p0:K, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:java.util.function.BiFunction<in V, in V, out V?> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> (p0:K, p1:V) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K, p1:V) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K, p1:V, p2:V) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V, p2:V) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> (p0:java.util.function.BiFunction<in K, in V, out V>) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:java.util.function.BiFunction<in K, in V, out V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.BiFunction<in K, in V, out V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
           UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> (p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
+      FUN FAKE_OVERRIDE name:forEach visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K, V>, p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
         overridden:
           UNBOUND: fun forEach(p0: java.util.function.BiConsumer<in K, in V>): kotlin.Unit
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.BiConsumer<in K, in V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+      FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
           UNBOUND: fun hashCode(): kotlin.Int
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
           UNBOUND: fun toString(): kotlin.String
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
diff --git a/compiler/testData/ir/irText/stubs/builtinMap__dependenciesoftestmodule.txt b/compiler/testData/ir/irText/stubs/builtinMap__dependenciesoftestmodule.txt
index 750a9ff85f4..df3e7dffa6d 100644
--- a/compiler/testData/ir/irText/stubs/builtinMap__dependenciesoftestmodule.txt
+++ b/compiler/testData/ir/irText/stubs/builtinMap__dependenciesoftestmodule.txt
@@ -1,6 +1,7 @@
 MODULE_FRAGMENT name:<dependencies of test-module>
   EXTERNAL_PACKAGE_FRAGMENT fqName:java.util
     CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:LinkedHashMap modality:OPEN visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
       superClasses:
         CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:HashMap modality:OPEN visibility:public flags:
         CLASS IR_EXTERNAL_DECLARATION_STUB INTERFACE name:MutableMap modality:ABSTRACT visibility:public flags:
@@ -18,179 +19,219 @@ MODULE_FRAGMENT name:<dependencies of test-module>
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Float flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:kotlin.Boolean flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:readObject visibility:invisible_fake modality:OPEN <> (p0:java.io.ObjectInputStream!) returnType:Unit flags:
+      FUN FAKE_OVERRIDE name:readObject visibility:invisible_fake modality:OPEN <> ($this:java.util.HashMap<K!, V!>, p0:java.io.ObjectInputStream!) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:readObject visibility:private modality:OPEN <> (p0:java.io.ObjectInputStream!) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:readObject visibility:private modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.io.ObjectInputStream!) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.io.ObjectInputStream! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:writeObject visibility:invisible_fake modality:OPEN <> (p0:java.io.ObjectOutputStream!) returnType:Unit flags:
+      FUN FAKE_OVERRIDE name:writeObject visibility:invisible_fake modality:OPEN <> ($this:java.util.HashMap<K!, V!>, p0:java.io.ObjectOutputStream!) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:writeObject visibility:private modality:OPEN <> (p0:java.io.ObjectOutputStream!) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:writeObject visibility:private modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.io.ObjectOutputStream!) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.io.ObjectOutputStream! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:linkNodeLast visibility:private modality:OPEN <> (p0:java.util.LinkedHashMap.Entry<K!, V!>!) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:linkNodeLast visibility:private modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>, p0:java.util.LinkedHashMap.Entry<K!, V!>!) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.LinkedHashMap.Entry<K!, V!>! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:transferLinks visibility:private modality:OPEN <> (p0:java.util.LinkedHashMap.Entry<K!, V!>!, p1:java.util.LinkedHashMap.Entry<K!, V!>!) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:transferLinks visibility:private modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>, p0:java.util.LinkedHashMap.Entry<K!, V!>!, p1:java.util.LinkedHashMap.Entry<K!, V!>!) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.LinkedHashMap.Entry<K!, V!>! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.LinkedHashMap.Entry<K!, V!>! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:removeEldestEntry visibility:protected/*protected and package*/ modality:OPEN <> (p0:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:removeEldestEntry visibility:protected/*protected and package*/ modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>, p0:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:public modality:OPEN <> () returnType:Any flags:
+      FUN FAKE_OVERRIDE name:clone visibility:public modality:OPEN <> ($this:java.util.HashMap<K!, V!>) returnType:Any flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:public modality:OPEN <> () returnType:Any flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> (p0:K, p1:java.util.function.BiFunction<in K, in V?, out V?>) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>) returnType:Any flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
+      FUN FAKE_OVERRIDE name:compute visibility:public modality:OPEN <> ($this:java.util.HashMap<K!, V!>, p0:K, p1:java.util.function.BiFunction<in K, in V?, out V?>) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> (p0:K, p1:java.util.function.BiFunction<in K, in V?, out V?>) returnType:V? flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> (p0:K, p1:java.util.function.BiFunction<in K, in V?, out V?>) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:K, p1:java.util.function.BiFunction<in K, in V?, out V?>) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:java.util.function.BiFunction<in K, in V?, out V?>) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.function.BiFunction<in K, in V?, out V?> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> (p0:K, p1:java.util.function.Function<in K, out V>) returnType:V flags:
+      FUN FAKE_OVERRIDE name:computeIfAbsent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:java.util.function.Function<in K, out V>) returnType:V flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> (p0:K, p1:java.util.function.Function<in K, out V>) returnType:V flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> (p0:K, p1:java.util.function.Function<in K, out V>) returnType:V flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:K, p1:java.util.function.Function<in K, out V>) returnType:V flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:java.util.function.Function<in K, out V>) returnType:V flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.function.Function<in K, out V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> (p0:K, p1:java.util.function.BiFunction<in K, in V, out V?>) returnType:V? flags:
+      FUN FAKE_OVERRIDE name:computeIfPresent visibility:public modality:OPEN <> ($this:java.util.HashMap<K!, V!>, p0:K, p1:java.util.function.BiFunction<in K, in V, out V?>) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> (p0:K, p1:java.util.function.BiFunction<in K, in V, out V?>) returnType:V? flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> (p0:K, p1:java.util.function.BiFunction<in K, in V, out V?>) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:K, p1:java.util.function.BiFunction<in K, in V, out V?>) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:java.util.function.BiFunction<in K, in V, out V?>) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.function.BiFunction<in K, in V, out V?> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:OPEN <> (key:K) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:containsKey visibility:public modality:OPEN <> ($this:java.util.HashMap<K!, V!>, key:K) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:OPEN <> (key:K) returnType:Boolean flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:ABSTRACT <> (key:K) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, key:K) returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:containsKey visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, key:K) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K!, V!>, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K!, V!>, other:kotlin.Any?) returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+      FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K!, V!>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:OPEN <> () returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K!, V!>) returnType:Int flags:
+          FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K!, V!> flags:
+      FUN FAKE_OVERRIDE name:isEmpty visibility:public modality:OPEN <> ($this:java.util.HashMap<K!, V!>) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:OPEN <> () returnType:Boolean flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:ABSTRACT <> () returnType:Boolean flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> (p0:K, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>) returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:isEmpty visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
+      FUN FAKE_OVERRIDE name:merge visibility:public modality:OPEN <> ($this:java.util.HashMap<K!, V!>, p0:K, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> (p0:K, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> (p0:K, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:K, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:java.util.function.BiFunction<in V, in V, out V?> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:OPEN <> (key:K, value:V) returnType:V? flags:
+      FUN FAKE_OVERRIDE name:put visibility:public modality:OPEN <> ($this:java.util.HashMap<K!, V!>, key:K, value:V) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:OPEN <> (key:K, value:V) returnType:V? flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:ABSTRACT <> (key:K, value:V) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, key:K, value:V) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>, key:K, value:V) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:OPEN <> (from:kotlin.collections.Map<out K, V>) returnType:Unit flags:
+      FUN FAKE_OVERRIDE name:putAll visibility:public modality:OPEN <> ($this:java.util.HashMap<K!, V!>, from:kotlin.collections.Map<out K, V>) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:OPEN <> (from:kotlin.collections.Map<out K, V>) returnType:Unit flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:ABSTRACT <> (from:kotlin.collections.Map<out K, V>) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, from:kotlin.collections.Map<out K, V>) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>, from:kotlin.collections.Map<out K, V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:from index:0 type:kotlin.collections.Map<out K, V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> (p0:K, p1:V) returnType:V? flags:
+      FUN FAKE_OVERRIDE name:putIfAbsent visibility:public modality:OPEN <> ($this:java.util.HashMap<K!, V!>, p0:K, p1:V) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> (p0:K, p1:V) returnType:V? flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> (p0:K, p1:V) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:K, p1:V) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (key:K) returnType:V? flags:
+      FUN FAKE_OVERRIDE name:remove visibility:public modality:OPEN <> ($this:java.util.HashMap<K!, V!>, key:K) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (key:K) returnType:V? flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:ABSTRACT <> (key:K) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, key:K) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>, key:K) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (key:K, value:V) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:remove visibility:public modality:OPEN <> ($this:java.util.HashMap<K!, V!>, key:K, value:V) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (key:K, value:V) returnType:Boolean flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (key:K, value:V) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, key:K, value:V) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, key:K, value:V) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K, p1:V) returnType:V? flags:
+      FUN FAKE_OVERRIDE name:replace visibility:public modality:OPEN <> ($this:java.util.HashMap<K!, V!>, p0:K, p1:V) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K, p1:V) returnType:V? flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K, p1:V) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:K, p1:V) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K, p1:V, p2:V) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:replace visibility:public modality:OPEN <> ($this:java.util.HashMap<K!, V!>, p0:K, p1:V, p2:V) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K, p1:V, p2:V) returnType:Boolean flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K, p1:V, p2:V) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:K, p1:V, p2:V) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V, p2:V) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+      FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K!, V!>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K!, V!>) returnType:String flags:
+          FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K!, V!> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:size type:kotlin.Int visibility:public modality:OPEN flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:<get-size> visibility:public modality:OPEN <> ($this:java.util.HashMap<K!, V!>) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:OPEN <> () returnType:Int flags:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:ABSTRACT <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:OPEN <> () returnType:Unit flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>) returnType:Int flags:
+            FUN FAKE_OVERRIDE name:<get-size> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:OPEN <> () returnType:Unit flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:ABSTRACT <> () returnType:Unit flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:OPEN <> (value:V) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>, value:V) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:OPEN <> (value:V) returnType:Boolean flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:ABSTRACT <> (value:V) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, value:V) returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:containsValue visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, value:V) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:0 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> (p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>, p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> (p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> (p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
+          FUN FAKE_OVERRIDE name:forEach visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K, V>, p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.BiConsumer<in K, in V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:OPEN <> (key:K) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>, key:K) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:OPEN <> (key:K) returnType:V? flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:ABSTRACT <> (key:K) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, key:K) returnType:V? flags:
+          FUN FAKE_OVERRIDE name:get visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, key:K) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> (key:K, defaultValue:V) returnType:V flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>, key:K, defaultValue:V) returnType:V flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> (key:K, defaultValue:V) returnType:V flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> (key:K, defaultValue:V) returnType:V flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, key:K, defaultValue:V) returnType:V flags:
+          FUN FAKE_OVERRIDE name:getOrDefault visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K, V>, key:K, defaultValue:V) returnType:V flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:defaultValue index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> (p0:java.util.function.BiFunction<in K, in V, out V>) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>, p0:java.util.function.BiFunction<in K, in V, out V>) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> (p0:java.util.function.BiFunction<in K, in V, out V>) returnType:Unit flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> (p0:java.util.function.BiFunction<in K, in V, out V>) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.util.function.BiFunction<in K, in V, out V>) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:java.util.function.BiFunction<in K, in V, out V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.BiFunction<in K, in V, out V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:entries type:kotlin.collections.MutableSet<kotlin.collections.MutableMap.MutableEntry<K, V>> visibility:public modality:OPEN flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:OPEN <> () returnType:(kotlin.collections.MutableSet<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>..kotlin.collections.Set<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>) returnType:(kotlin.collections.MutableSet<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>..kotlin.collections.Set<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:OPEN <> () returnType:(kotlin.collections.MutableSet<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>..kotlin.collections.Set<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>?) flags:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> () returnType:MutableSet<MutableEntry<K, V>> flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>) returnType:(kotlin.collections.MutableSet<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>..kotlin.collections.Set<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>?) flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:MutableSet<MutableEntry<K, V>> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:keys type:kotlin.collections.MutableSet<K> visibility:public modality:OPEN flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:OPEN <> () returnType:(kotlin.collections.MutableSet<(K..K?)>..kotlin.collections.Set<(K..K?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>) returnType:(kotlin.collections.MutableSet<(K..K?)>..kotlin.collections.Set<(K..K?)>?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:OPEN <> () returnType:(kotlin.collections.MutableSet<(K..K?)>..kotlin.collections.Set<(K..K?)>?) flags:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:ABSTRACT <> () returnType:MutableSet<K> flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>) returnType:(kotlin.collections.MutableSet<(K..K?)>..kotlin.collections.Set<(K..K?)>?) flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:MutableSet<K> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:values type:kotlin.collections.MutableCollection<V> visibility:public modality:OPEN flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:OPEN <> () returnType:(kotlin.collections.MutableCollection<(V..V?)>..kotlin.collections.Collection<(V..V?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>) returnType:(kotlin.collections.MutableCollection<(V..V?)>..kotlin.collections.Collection<(V..V?)>?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:OPEN <> () returnType:(kotlin.collections.MutableCollection<(V..V?)>..kotlin.collections.Collection<(V..V?)>?) flags:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:ABSTRACT <> () returnType:MutableCollection<V> flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>) returnType:(kotlin.collections.MutableCollection<(V..V?)>..kotlin.collections.Collection<(V..V?)>?) flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:MutableCollection<V> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:LinkedHashIterator modality:ABSTRACT visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedHashIterator flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
-        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> () returnType:java.util.LinkedHashMap<K, V>.LinkedHashIterator flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> () returnType:Unit flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> () returnType:Boolean flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> ($this:java.util.LinkedHashMap<K, V>) returnType:java.util.LinkedHashMap<K, V>.LinkedHashIterator flags:
+          $outer: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedHashIterator) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedHashIterator flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedHashIterator) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedHashIterator flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> () returnType:(java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>..java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>?) flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedHashIterator) returnType:(java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>..java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedHashIterator flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:expectedModCount type:kotlin.Int visibility:public/*package*/ modality:FINAL flags:var
@@ -198,41 +239,51 @@ MODULE_FRAGMENT name:<dependencies of test-module>
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:LinkedEntryIterator modality:FINAL visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedEntryIterator flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:LinkedHashIterator modality:ABSTRACT visibility:public/*package*/ flags:
           UNBOUND: interface MutableIterator<out T> : kotlin.collections.Iterator<T>
-        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> () returnType:java.util.LinkedHashMap<K, V>.LinkedEntryIterator flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:next visibility:public modality:FINAL <> () returnType:(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?) flags:
+        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> ($this:java.util.LinkedHashMap<K, V>) returnType:java.util.LinkedHashMap<K, V>.LinkedEntryIterator flags:
+          $outer: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:next visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedEntryIterator) returnType:(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?) flags:
           overridden:
             UNBOUND: fun next(): T
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> () returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedEntryIterator flags:
+        FUN FAKE_OVERRIDE name:hasNext visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> () returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedHashIterator) returnType:Boolean flags:
             UNBOUND: fun hasNext(): kotlin.Boolean
-        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> () returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator flags:
+        FUN FAKE_OVERRIDE name:remove visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator) returnType:Unit flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> () returnType:Unit flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedHashIterator) returnType:Unit flags:
             UNBOUND: fun remove(): kotlin.Unit
-        FUN IR_EXTERNAL_DECLARATION_STUB name:forEachRemaining visibility:public modality:OPEN <> (p0:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator flags:
+        FUN FAKE_OVERRIDE name:forEachRemaining visibility:public modality:OPEN <> ($this:kotlin.collections.Iterator<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, p0:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Unit flags:
           overridden:
             UNBOUND: fun forEachRemaining(p0: java.util.function.Consumer<in T>): kotlin.Unit
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Iterator<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+            FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
             UNBOUND: fun toString(): kotlin.String
-        FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> () returnType:(java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>..java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:nextNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator) returnType:(java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>..java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> () returnType:(java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>..java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>?) flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedHashIterator) returnType:(java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>..java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:expectedModCount type:kotlin.Int visibility:public/*package*/ modality:FINAL flags:var
@@ -240,133 +291,166 @@ MODULE_FRAGMENT name:<dependencies of test-module>
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:LinkedEntrySet modality:FINAL visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedEntrySet flags:
         superClasses:
           UNBOUND: class AbstractSet<E : kotlin.Any!> : java.util.AbstractCollection<E!>, kotlin.collections.MutableSet<E!>
-        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> () returnType:java.util.LinkedHashMap<K, V>.LinkedEntrySet flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:FINAL <> () returnType:Unit flags:
+        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> ($this:java.util.LinkedHashMap<K, V>) returnType:java.util.LinkedHashMap<K, V>.LinkedEntrySet flags:
+          $outer: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedEntrySet) returnType:Unit flags:
           overridden:
             UNBOUND: fun clear(): kotlin.Unit
-        FUN IR_EXTERNAL_DECLARATION_STUB name:contains visibility:public modality:FINAL <> (element:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedEntrySet flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:contains visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedEntrySet, element:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun contains(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedEntrySet flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:FINAL <> (p0:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>!) returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedEntrySet, p0:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>!) returnType:Unit flags:
           overridden:
             UNBOUND: fun forEach(p0: java.util.function.Consumer<in E!>!): kotlin.Unit
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedEntrySet flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:iterator visibility:public modality:FINAL <> () returnType:MutableIterator<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:iterator visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedEntrySet) returnType:MutableIterator<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)> flags:
           overridden:
             UNBOUND: fun iterator(): kotlin.collections.MutableIterator<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> (element:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedEntrySet flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedEntrySet, element:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun remove(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedEntrySet flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:spliterator visibility:public modality:FINAL <> () returnType:Spliterator<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:spliterator visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedEntrySet) returnType:Spliterator<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)> flags:
           overridden:
             UNBOUND: fun spliterator(): java.util.Spliterator<E!>
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedEntrySet flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:size type:kotlin.Int visibility:public modality:FINAL flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedEntrySet) returnType:Int flags:
             overridden:
               UNBOUND: fun <get-size>(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toArray visibility:public modality:OPEN <T> (p0:kotlin.Array<(out) T!>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedEntrySet flags:
+        FUN FAKE_OVERRIDE name:toArray visibility:public modality:OPEN <T> ($this:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, p0:kotlin.Array<(out) T!>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
           overridden:
             UNBOUND: fun <T : kotlin.Any!> toArray(p0: kotlin.Array<(out) T!>!): kotlin.Array<(out) T!>!
           TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:T index:0 variance: upperBounds:[kotlin.Any!]
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Array<(out) T!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:add visibility:public modality:OPEN <> (element:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:add visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, element:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun add(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:addAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:addAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, elements:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun addAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:containsAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:containsAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, elements:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun containsAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:java.util.AbstractSet<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractSet<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:java.util.AbstractSet<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Int flags:
           overridden:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:OPEN <> () returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractSet<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
+        FUN FAKE_OVERRIDE name:isEmpty visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun isEmpty(): kotlin.Boolean
-        FUN IR_EXTERNAL_DECLARATION_STUB name:parallelStream visibility:public modality:OPEN <> () returnType:Stream<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
+        FUN FAKE_OVERRIDE name:parallelStream visibility:public modality:OPEN <> ($this:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Stream<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)> flags:
           overridden:
             UNBOUND: fun parallelStream(): java.util.stream.Stream<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:removeAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
+        FUN FAKE_OVERRIDE name:removeAll visibility:public modality:OPEN <> ($this:java.util.AbstractSet<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, elements:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun removeAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractSet<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:removeIf visibility:public modality:OPEN <> (p0:java.util.function.Predicate<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:removeIf visibility:public modality:OPEN <> ($this:kotlin.collections.MutableCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, p0:java.util.function.Predicate<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun removeIf(p0: java.util.function.Predicate<in E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Predicate<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:retainAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:retainAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, elements:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun retainAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:stream visibility:public modality:OPEN <> () returnType:Stream<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)> flags:
+        FUN FAKE_OVERRIDE name:stream visibility:public modality:OPEN <> ($this:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Stream<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)> flags:
           overridden:
             UNBOUND: fun stream(): java.util.stream.Stream<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toArray visibility:public modality:OPEN <> () returnType:(kotlin.Array<(kotlin.Any..kotlin.Any?)>..kotlin.Array<out (kotlin.Any..kotlin.Any?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
+        FUN FAKE_OVERRIDE name:toArray visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:(kotlin.Array<(kotlin.Any..kotlin.Any?)>..kotlin.Array<out (kotlin.Any..kotlin.Any?)>?) flags:
           overridden:
             UNBOUND: fun toArray(): kotlin.Array<(out) kotlin.Any!>!
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:String flags:
           overridden:
             UNBOUND: fun toString(): kotlin.String
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:MAX_ARRAY_SIZE type:kotlin.Int visibility:invisible_fake modality:FINAL flags:constmval
           FIELD IR_EXTERNAL_DECLARATION_STUB name:MAX_ARRAY_SIZE type:kotlin.Int visibility:invisible_fake
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finishToArray visibility:invisible_fake modality:OPEN <T> (p0:kotlin.Array<(out) T!>!, p1:kotlin.collections.(Mutable)Iterator<*>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
+        FUN FAKE_OVERRIDE name:finishToArray visibility:invisible_fake modality:OPEN <T> (p0:kotlin.Array<(out) T!>!, p1:kotlin.collections.(Mutable)Iterator<*>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
           overridden:
             UNBOUND: fun <T : kotlin.Any!> finishToArray(p0: kotlin.Array<(out) T!>!, p1: kotlin.collections.(Mutable)Iterator<*>!): kotlin.Array<(out) T!>!
           TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:T index:0 variance: upperBounds:[kotlin.Any!]
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Array<(out) T!>! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.collections.(Mutable)Iterator<*>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hugeCapacity visibility:invisible_fake modality:OPEN <> (p0:kotlin.Int) returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hugeCapacity visibility:invisible_fake modality:OPEN <> (p0:kotlin.Int) returnType:Int flags:
           overridden:
             UNBOUND: fun hugeCapacity(p0: kotlin.Int): kotlin.Int
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:LinkedKeyIterator modality:FINAL visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedKeyIterator flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:LinkedHashIterator modality:ABSTRACT visibility:public/*package*/ flags:
           UNBOUND: interface MutableIterator<out T> : kotlin.collections.Iterator<T>
-        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> () returnType:java.util.LinkedHashMap<K, V>.LinkedKeyIterator flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:next visibility:public modality:FINAL <> () returnType:(K..K?) flags:
+        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> ($this:java.util.LinkedHashMap<K, V>) returnType:java.util.LinkedHashMap<K, V>.LinkedKeyIterator flags:
+          $outer: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:next visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedKeyIterator) returnType:(K..K?) flags:
           overridden:
             UNBOUND: fun next(): T
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> () returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedKeyIterator flags:
+        FUN FAKE_OVERRIDE name:hasNext visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> () returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedHashIterator) returnType:Boolean flags:
             UNBOUND: fun hasNext(): kotlin.Boolean
-        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> () returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator flags:
+        FUN FAKE_OVERRIDE name:remove visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator) returnType:Unit flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> () returnType:Unit flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedHashIterator) returnType:Unit flags:
             UNBOUND: fun remove(): kotlin.Unit
-        FUN IR_EXTERNAL_DECLARATION_STUB name:forEachRemaining visibility:public modality:OPEN <> (p0:java.util.function.Consumer<in K!>) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator flags:
+        FUN FAKE_OVERRIDE name:forEachRemaining visibility:public modality:OPEN <> ($this:kotlin.collections.Iterator<K!>, p0:java.util.function.Consumer<in K!>) returnType:Unit flags:
           overridden:
             UNBOUND: fun forEachRemaining(p0: java.util.function.Consumer<in T>): kotlin.Unit
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Iterator<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in K!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+            FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
             UNBOUND: fun toString(): kotlin.String
-        FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> () returnType:(java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>..java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:nextNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator) returnType:(java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>..java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> () returnType:(java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>..java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>?) flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedHashIterator) returnType:(java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>..java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:expectedModCount type:kotlin.Int visibility:public/*package*/ modality:FINAL flags:var
@@ -374,133 +458,166 @@ MODULE_FRAGMENT name:<dependencies of test-module>
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:LinkedKeySet modality:FINAL visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedKeySet flags:
         superClasses:
           UNBOUND: class AbstractSet<E : kotlin.Any!> : java.util.AbstractCollection<E!>, kotlin.collections.MutableSet<E!>
-        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> () returnType:java.util.LinkedHashMap<K, V>.LinkedKeySet flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:FINAL <> () returnType:Unit flags:
+        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> ($this:java.util.LinkedHashMap<K, V>) returnType:java.util.LinkedHashMap<K, V>.LinkedKeySet flags:
+          $outer: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedKeySet) returnType:Unit flags:
           overridden:
             UNBOUND: fun clear(): kotlin.Unit
-        FUN IR_EXTERNAL_DECLARATION_STUB name:contains visibility:public modality:FINAL <> (element:K!) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedKeySet flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:contains visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedKeySet, element:K!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun contains(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedKeySet flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:K! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:FINAL <> (p0:java.util.function.Consumer<in K!>!) returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedKeySet, p0:java.util.function.Consumer<in K!>!) returnType:Unit flags:
           overridden:
             UNBOUND: fun forEach(p0: java.util.function.Consumer<in E!>!): kotlin.Unit
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedKeySet flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in K!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:iterator visibility:public modality:FINAL <> () returnType:MutableIterator<(K..K?)> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:iterator visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedKeySet) returnType:MutableIterator<(K..K?)> flags:
           overridden:
             UNBOUND: fun iterator(): kotlin.collections.MutableIterator<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> (element:K!) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedKeySet flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedKeySet, element:K!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun remove(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedKeySet flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:K! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:spliterator visibility:public modality:FINAL <> () returnType:Spliterator<(K..K?)> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:spliterator visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedKeySet) returnType:Spliterator<(K..K?)> flags:
           overridden:
             UNBOUND: fun spliterator(): java.util.Spliterator<E!>
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedKeySet flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:size type:kotlin.Int visibility:public modality:FINAL flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedKeySet) returnType:Int flags:
             overridden:
               UNBOUND: fun <get-size>(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toArray visibility:public modality:OPEN <T> (p0:kotlin.Array<(out) T!>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedKeySet flags:
+        FUN FAKE_OVERRIDE name:toArray visibility:public modality:OPEN <T> ($this:java.util.AbstractCollection<K!>, p0:kotlin.Array<(out) T!>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
           overridden:
             UNBOUND: fun <T : kotlin.Any!> toArray(p0: kotlin.Array<(out) T!>!): kotlin.Array<(out) T!>!
           TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:T index:0 variance: upperBounds:[kotlin.Any!]
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Array<(out) T!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:add visibility:public modality:OPEN <> (element:K!) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:add visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<K!>, element:K!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun add(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:K! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:addAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<K!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:addAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<K!>, elements:kotlin.collections.Collection<K!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun addAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<K!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:containsAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<K!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:containsAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<K!>, elements:kotlin.collections.Collection<K!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun containsAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<K!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:java.util.AbstractSet<K!>, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractSet<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:java.util.AbstractSet<K!>) returnType:Int flags:
           overridden:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:OPEN <> () returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractSet<K!> flags:
+        FUN FAKE_OVERRIDE name:isEmpty visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<K!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun isEmpty(): kotlin.Boolean
-        FUN IR_EXTERNAL_DECLARATION_STUB name:parallelStream visibility:public modality:OPEN <> () returnType:Stream<(K..K?)> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<K!> flags:
+        FUN FAKE_OVERRIDE name:parallelStream visibility:public modality:OPEN <> ($this:kotlin.collections.Collection<K!>) returnType:Stream<(K..K?)> flags:
           overridden:
             UNBOUND: fun parallelStream(): java.util.stream.Stream<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:removeAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<K!>) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Collection<K!> flags:
+        FUN FAKE_OVERRIDE name:removeAll visibility:public modality:OPEN <> ($this:java.util.AbstractSet<K!>, elements:kotlin.collections.Collection<K!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun removeAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractSet<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<K!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:removeIf visibility:public modality:OPEN <> (p0:java.util.function.Predicate<in K!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:removeIf visibility:public modality:OPEN <> ($this:kotlin.collections.MutableCollection<K!>, p0:java.util.function.Predicate<in K!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun removeIf(p0: java.util.function.Predicate<in E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableCollection<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Predicate<in K!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:retainAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<K!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:retainAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<K!>, elements:kotlin.collections.Collection<K!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun retainAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<K!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:stream visibility:public modality:OPEN <> () returnType:Stream<(K..K?)> flags:
+        FUN FAKE_OVERRIDE name:stream visibility:public modality:OPEN <> ($this:kotlin.collections.Collection<K!>) returnType:Stream<(K..K?)> flags:
           overridden:
             UNBOUND: fun stream(): java.util.stream.Stream<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toArray visibility:public modality:OPEN <> () returnType:(kotlin.Array<(kotlin.Any..kotlin.Any?)>..kotlin.Array<out (kotlin.Any..kotlin.Any?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Collection<K!> flags:
+        FUN FAKE_OVERRIDE name:toArray visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<K!>) returnType:(kotlin.Array<(kotlin.Any..kotlin.Any?)>..kotlin.Array<out (kotlin.Any..kotlin.Any?)>?) flags:
           overridden:
             UNBOUND: fun toArray(): kotlin.Array<(out) kotlin.Any!>!
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<K!> flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<K!>) returnType:String flags:
           overridden:
             UNBOUND: fun toString(): kotlin.String
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<K!> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:MAX_ARRAY_SIZE type:kotlin.Int visibility:invisible_fake modality:FINAL flags:constmval
           FIELD IR_EXTERNAL_DECLARATION_STUB name:MAX_ARRAY_SIZE type:kotlin.Int visibility:invisible_fake
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finishToArray visibility:invisible_fake modality:OPEN <T> (p0:kotlin.Array<(out) T!>!, p1:kotlin.collections.(Mutable)Iterator<*>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
+        FUN FAKE_OVERRIDE name:finishToArray visibility:invisible_fake modality:OPEN <T> (p0:kotlin.Array<(out) T!>!, p1:kotlin.collections.(Mutable)Iterator<*>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
           overridden:
             UNBOUND: fun <T : kotlin.Any!> finishToArray(p0: kotlin.Array<(out) T!>!, p1: kotlin.collections.(Mutable)Iterator<*>!): kotlin.Array<(out) T!>!
           TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:T index:0 variance: upperBounds:[kotlin.Any!]
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Array<(out) T!>! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.collections.(Mutable)Iterator<*>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hugeCapacity visibility:invisible_fake modality:OPEN <> (p0:kotlin.Int) returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hugeCapacity visibility:invisible_fake modality:OPEN <> (p0:kotlin.Int) returnType:Int flags:
           overridden:
             UNBOUND: fun hugeCapacity(p0: kotlin.Int): kotlin.Int
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:LinkedValueIterator modality:FINAL visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedValueIterator flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:LinkedHashIterator modality:ABSTRACT visibility:public/*package*/ flags:
           UNBOUND: interface MutableIterator<out T> : kotlin.collections.Iterator<T>
-        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> () returnType:java.util.LinkedHashMap<K, V>.LinkedValueIterator flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:next visibility:public modality:FINAL <> () returnType:(V..V?) flags:
+        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> ($this:java.util.LinkedHashMap<K, V>) returnType:java.util.LinkedHashMap<K, V>.LinkedValueIterator flags:
+          $outer: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:next visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedValueIterator) returnType:(V..V?) flags:
           overridden:
             UNBOUND: fun next(): T
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> () returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedValueIterator flags:
+        FUN FAKE_OVERRIDE name:hasNext visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> () returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedHashIterator) returnType:Boolean flags:
             UNBOUND: fun hasNext(): kotlin.Boolean
-        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> () returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator flags:
+        FUN FAKE_OVERRIDE name:remove visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator) returnType:Unit flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> () returnType:Unit flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedHashIterator) returnType:Unit flags:
             UNBOUND: fun remove(): kotlin.Unit
-        FUN IR_EXTERNAL_DECLARATION_STUB name:forEachRemaining visibility:public modality:OPEN <> (p0:java.util.function.Consumer<in V!>) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator flags:
+        FUN FAKE_OVERRIDE name:forEachRemaining visibility:public modality:OPEN <> ($this:kotlin.collections.Iterator<V!>, p0:java.util.function.Consumer<in V!>) returnType:Unit flags:
           overridden:
             UNBOUND: fun forEachRemaining(p0: java.util.function.Consumer<in T>): kotlin.Unit
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Iterator<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in V!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+            FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
             UNBOUND: fun toString(): kotlin.String
-        FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> () returnType:(java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>..java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:nextNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator) returnType:(java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>..java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> () returnType:(java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>..java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>?) flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedHashIterator) returnType:(java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>..java.util.LinkedHashMap.Entry<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K!, V!>.LinkedHashIterator flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:expectedModCount type:kotlin.Int visibility:public/*package*/ modality:FINAL flags:var
@@ -508,135 +625,166 @@ MODULE_FRAGMENT name:<dependencies of test-module>
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:LinkedValues modality:FINAL visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedValues flags:
         superClasses:
           UNBOUND: class AbstractCollection<E : kotlin.Any!> : kotlin.collections.MutableCollection<E!>
-        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> () returnType:java.util.LinkedHashMap<K, V>.LinkedValues flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:FINAL <> () returnType:Unit flags:
+        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> ($this:java.util.LinkedHashMap<K, V>) returnType:java.util.LinkedHashMap<K, V>.LinkedValues flags:
+          $outer: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedValues) returnType:Unit flags:
           overridden:
             UNBOUND: fun clear(): kotlin.Unit
-        FUN IR_EXTERNAL_DECLARATION_STUB name:contains visibility:public modality:FINAL <> (element:V!) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedValues flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:contains visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedValues, element:V!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun contains(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedValues flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:V! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:FINAL <> (p0:java.util.function.Consumer<in V!>!) returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedValues, p0:java.util.function.Consumer<in V!>!) returnType:Unit flags:
           overridden:
             UNBOUND: fun forEach(p0: java.util.function.Consumer<in E!>!): kotlin.Unit
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedValues flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in V!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:iterator visibility:public modality:FINAL <> () returnType:MutableIterator<(V..V?)> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:iterator visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedValues) returnType:MutableIterator<(V..V?)> flags:
           overridden:
             UNBOUND: fun iterator(): kotlin.collections.MutableIterator<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:spliterator visibility:public modality:FINAL <> () returnType:Spliterator<(V..V?)> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedValues flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:spliterator visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedValues) returnType:Spliterator<(V..V?)> flags:
           overridden:
             UNBOUND: fun spliterator(): java.util.Spliterator<E!>
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedValues flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:size type:kotlin.Int visibility:public modality:FINAL flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:FINAL <> ($this:java.util.LinkedHashMap<K, V>.LinkedValues) returnType:Int flags:
             overridden:
               UNBOUND: fun <get-size>(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toArray visibility:public modality:OPEN <T> (p0:kotlin.Array<(out) T!>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V>.LinkedValues flags:
+        FUN FAKE_OVERRIDE name:toArray visibility:public modality:OPEN <T> ($this:java.util.AbstractCollection<V!>, p0:kotlin.Array<(out) T!>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
           overridden:
             UNBOUND: fun <T : kotlin.Any!> toArray(p0: kotlin.Array<(out) T!>!): kotlin.Array<(out) T!>!
           TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:T index:0 variance: upperBounds:[kotlin.Any!]
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Array<(out) T!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:add visibility:public modality:OPEN <> (element:V!) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:add visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>, element:V!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun add(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:V! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:addAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<V!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:addAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>, elements:kotlin.collections.Collection<V!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun addAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<V!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:containsAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<V!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:containsAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>, elements:kotlin.collections.Collection<V!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun containsAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<V!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:OPEN <> () returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:isEmpty visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun isEmpty(): kotlin.Boolean
-        FUN IR_EXTERNAL_DECLARATION_STUB name:parallelStream visibility:public modality:OPEN <> () returnType:Stream<(V..V?)> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
+        FUN FAKE_OVERRIDE name:parallelStream visibility:public modality:OPEN <> ($this:kotlin.collections.Collection<V!>) returnType:Stream<(V..V?)> flags:
           overridden:
             UNBOUND: fun parallelStream(): java.util.stream.Stream<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (element:V!) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Collection<V!> flags:
+        FUN FAKE_OVERRIDE name:remove visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>, element:V!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun remove(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:V! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:removeAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<V!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:removeAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>, elements:kotlin.collections.Collection<V!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun removeAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<V!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:removeIf visibility:public modality:OPEN <> (p0:java.util.function.Predicate<in V!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:removeIf visibility:public modality:OPEN <> ($this:kotlin.collections.MutableCollection<V!>, p0:java.util.function.Predicate<in V!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun removeIf(p0: java.util.function.Predicate<in E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableCollection<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Predicate<in V!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:retainAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<V!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:retainAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>, elements:kotlin.collections.Collection<V!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun retainAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<V!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:stream visibility:public modality:OPEN <> () returnType:Stream<(V..V?)> flags:
+        FUN FAKE_OVERRIDE name:stream visibility:public modality:OPEN <> ($this:kotlin.collections.Collection<V!>) returnType:Stream<(V..V?)> flags:
           overridden:
             UNBOUND: fun stream(): java.util.stream.Stream<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toArray visibility:public modality:OPEN <> () returnType:(kotlin.Array<(kotlin.Any..kotlin.Any?)>..kotlin.Array<out (kotlin.Any..kotlin.Any?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Collection<V!> flags:
+        FUN FAKE_OVERRIDE name:toArray visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>) returnType:(kotlin.Array<(kotlin.Any..kotlin.Any?)>..kotlin.Array<out (kotlin.Any..kotlin.Any?)>?) flags:
           overridden:
             UNBOUND: fun toArray(): kotlin.Array<(out) kotlin.Any!>!
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>) returnType:String flags:
           overridden:
             UNBOUND: fun toString(): kotlin.String
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:MAX_ARRAY_SIZE type:kotlin.Int visibility:invisible_fake modality:FINAL flags:constmval
           FIELD IR_EXTERNAL_DECLARATION_STUB name:MAX_ARRAY_SIZE type:kotlin.Int visibility:invisible_fake
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finishToArray visibility:invisible_fake modality:OPEN <T> (p0:kotlin.Array<(out) T!>!, p1:kotlin.collections.(Mutable)Iterator<*>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
+        FUN FAKE_OVERRIDE name:finishToArray visibility:invisible_fake modality:OPEN <T> (p0:kotlin.Array<(out) T!>!, p1:kotlin.collections.(Mutable)Iterator<*>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
           overridden:
             UNBOUND: fun <T : kotlin.Any!> finishToArray(p0: kotlin.Array<(out) T!>!, p1: kotlin.collections.(Mutable)Iterator<*>!): kotlin.Array<(out) T!>!
           TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:T index:0 variance: upperBounds:[kotlin.Any!]
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Array<(out) T!>! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.collections.(Mutable)Iterator<*>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hugeCapacity visibility:invisible_fake modality:OPEN <> (p0:kotlin.Int) returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hugeCapacity visibility:invisible_fake modality:OPEN <> (p0:kotlin.Int) returnType:Int flags:
           overridden:
             UNBOUND: fun hugeCapacity(p0: kotlin.Int): kotlin.Int
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:capacity visibility:public/*package*/ modality:FINAL <> () returnType:Int flags:
+      FUN FAKE_OVERRIDE name:capacity visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K!, V!>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:capacity visibility:public/*package*/ modality:FINAL <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:getNode visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Int, p1:kotlin.Any!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:capacity visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
+      FUN FAKE_OVERRIDE name:getNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K!, V!>, p0:kotlin.Int, p1:kotlin.Any!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:getNode visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Int, p1:kotlin.Any!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:getNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>, p0:kotlin.Int, p1:kotlin.Any!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Any! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:loadFactor visibility:public/*package*/ modality:FINAL <> () returnType:Float flags:
+      FUN FAKE_OVERRIDE name:loadFactor visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K!, V!>) returnType:Float flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:loadFactor visibility:public/*package*/ modality:FINAL <> () returnType:Float flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:putMapEntries visibility:public/*package*/ modality:FINAL <> (p0:(kotlin.collections.MutableMap<out K!, out V!>..kotlin.collections.Map<out K!, V!>?), p1:kotlin.Boolean) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:loadFactor visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>) returnType:Float flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
+      FUN FAKE_OVERRIDE name:putMapEntries visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K!, V!>, p0:(kotlin.collections.MutableMap<out K!, out V!>..kotlin.collections.Map<out K!, V!>?), p1:kotlin.Boolean) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:putMapEntries visibility:public/*package*/ modality:FINAL <> (p0:(kotlin.collections.MutableMap<out K!, out V!>..kotlin.collections.Map<out K!, V!>?), p1:kotlin.Boolean) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:putMapEntries visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>, p0:(kotlin.collections.MutableMap<out K!, out V!>..kotlin.collections.Map<out K!, V!>?), p1:kotlin.Boolean) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:(kotlin.collections.MutableMap<out K!, out V!>..kotlin.collections.Map<out K!, V!>?) flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Boolean flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:putVal visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Int, p1:K!, p2:V!, p3:kotlin.Boolean, p4:kotlin.Boolean) returnType:(V..V?) flags:
+      FUN FAKE_OVERRIDE name:putVal visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K!, V!>, p0:kotlin.Int, p1:K!, p2:V!, p3:kotlin.Boolean, p4:kotlin.Boolean) returnType:(V..V?) flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:putVal visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Int, p1:K!, p2:V!, p3:kotlin.Boolean, p4:kotlin.Boolean) returnType:(V..V?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:putVal visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>, p0:kotlin.Int, p1:K!, p2:V!, p3:kotlin.Boolean, p4:kotlin.Boolean) returnType:(V..V?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:K! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:V! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:kotlin.Boolean flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p4 index:4 type:kotlin.Boolean flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:removeNode visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Int, p1:kotlin.Any!, p2:kotlin.Any!, p3:kotlin.Boolean, p4:kotlin.Boolean) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+      FUN FAKE_OVERRIDE name:removeNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K!, V!>, p0:kotlin.Int, p1:kotlin.Any!, p2:kotlin.Any!, p3:kotlin.Boolean, p4:kotlin.Boolean) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:removeNode visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Int, p1:kotlin.Any!, p2:kotlin.Any!, p3:kotlin.Boolean, p4:kotlin.Boolean) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:removeNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>, p0:kotlin.Int, p1:kotlin.Any!, p2:kotlin.Any!, p3:kotlin.Boolean, p4:kotlin.Boolean) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Any! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:kotlin.Any! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:kotlin.Boolean flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p4 index:4 type:kotlin.Boolean flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:resize visibility:public/*package*/ modality:FINAL <> () returnType:(kotlin.Array<(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?)>..kotlin.Array<out (java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?)>?) flags:
+      FUN FAKE_OVERRIDE name:resize visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K!, V!>) returnType:(kotlin.Array<(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?)>..kotlin.Array<out (java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?)>?) flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:resize visibility:public/*package*/ modality:FINAL <> () returnType:(kotlin.Array<(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?)>..kotlin.Array<out (java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?)>?) flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:treeifyBin visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>!, p1:kotlin.Int) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:resize visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>) returnType:(kotlin.Array<(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?)>..kotlin.Array<out (java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?)>?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
+      FUN FAKE_OVERRIDE name:treeifyBin visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K!, V!>, p0:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>!, p1:kotlin.Int) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:treeifyBin visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>!, p1:kotlin.Int) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:treeifyBin visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>, p0:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>!, p1:kotlin.Int) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Int flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:loadFactor type:kotlin.Float visibility:public/*package*/ modality:FINAL flags:val
@@ -662,6 +810,7 @@ MODULE_FRAGMENT name:<dependencies of test-module>
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:tail type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
         FIELD IR_EXTERNAL_DECLARATION_STUB name:tail type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Entry modality:OPEN visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap.Entry<K, V> flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Node modality:OPEN visibility:public/*package*/ flags:
         TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:K index:0 variance: upperBounds:[kotlin.Any!]
@@ -671,28 +820,34 @@ MODULE_FRAGMENT name:<dependencies of test-module>
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:K! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:V! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:java.util.HashMap.Node<K!, V!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K, V>, other:kotlin.Any?) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K!, V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:FINAL <> (newValue:V!) returnType:(V..V?) flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K, V>) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K!, V!> flags:
+        FUN FAKE_OVERRIDE name:setValue visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>, newValue:V!) returnType:(V..V?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:FINAL <> (newValue:V!) returnType:(V..V?) flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K, V>, newValue:V!) returnType:(V..V?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K!, V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:newValue index:0 type:V! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:FINAL <> () returnType:String flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:FINAL <> () returnType:String flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K, V>) returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K!, V!> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:key type:K! visibility:public modality:FINAL flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:FINAL <> () returnType:(K..K?) flags:
+          FUN FAKE_OVERRIDE name:<get-key> visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>) returnType:(K..K?) flags:
             overridden:
-              FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:FINAL <> () returnType:(K..K?) flags:
+              FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K, V>) returnType:(K..K?) flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K!, V!> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:value type:V! visibility:public modality:FINAL flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:FINAL <> () returnType:(V..V?) flags:
+          FUN FAKE_OVERRIDE name:<get-value> visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>) returnType:(V..V?) flags:
             overridden:
-              FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:FINAL <> () returnType:(V..V?) flags:
+              FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K, V>) returnType:(V..V?) flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K!, V!> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:hash type:kotlin.Int visibility:public/*package*/ modality:FINAL flags:val
           FIELD IR_EXTERNAL_DECLARATION_STUB name:hash type:kotlin.Int visibility:public/*package*/
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:key type:K! visibility:public/*package*/ modality:FINAL flags:val
@@ -705,52 +860,61 @@ MODULE_FRAGMENT name:<dependencies of test-module>
           FIELD IR_EXTERNAL_DECLARATION_STUB name:after type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:before type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:before type:java.util.LinkedHashMap.Entry<K!, V!>! visibility:public/*package*/
-      FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeAccess visibility:public/*package*/ modality:OPEN <> (p0:java.util.HashMap.Node<K!, V!>!) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeAccess visibility:public/*package*/ modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>, p0:java.util.HashMap.Node<K!, V!>!) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeAccess visibility:public/*package*/ modality:OPEN <> (p0:java.util.HashMap.Node<K!, V!>!) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeAccess visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.util.HashMap.Node<K!, V!>!) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.HashMap.Node<K!, V!>! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeInsertion visibility:public/*package*/ modality:OPEN <> (p0:kotlin.Boolean) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeInsertion visibility:public/*package*/ modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>, p0:kotlin.Boolean) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeInsertion visibility:public/*package*/ modality:OPEN <> (p0:kotlin.Boolean) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeInsertion visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:kotlin.Boolean) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Boolean flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeRemoval visibility:public/*package*/ modality:OPEN <> (p0:java.util.HashMap.Node<K!, V!>!) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeRemoval visibility:public/*package*/ modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>, p0:java.util.HashMap.Node<K!, V!>!) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeRemoval visibility:public/*package*/ modality:OPEN <> (p0:java.util.HashMap.Node<K!, V!>!) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeRemoval visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.util.HashMap.Node<K!, V!>!) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.HashMap.Node<K!, V!>! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:internalWriteEntries visibility:public/*package*/ modality:OPEN <> (p0:java.io.ObjectOutputStream!) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:internalWriteEntries visibility:public/*package*/ modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>, p0:java.io.ObjectOutputStream!) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:internalWriteEntries visibility:public/*package*/ modality:OPEN <> (p0:java.io.ObjectOutputStream!) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:internalWriteEntries visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.io.ObjectOutputStream!) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.io.ObjectOutputStream! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:newNode visibility:public/*package*/ modality:OPEN <> (p0:kotlin.Int, p1:K!, p2:V!, p3:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:newNode visibility:public/*package*/ modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>, p0:kotlin.Int, p1:K!, p2:V!, p3:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:newNode visibility:public/*package*/ modality:OPEN <> (p0:kotlin.Int, p1:K!, p2:V!, p3:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:newNode visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:kotlin.Int, p1:K!, p2:V!, p3:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:K! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:V! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:java.util.HashMap.Node<K!, V!>! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:newTreeNode visibility:public/*package*/ modality:OPEN <> (p0:kotlin.Int, p1:K!, p2:V!, p3:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:newTreeNode visibility:public/*package*/ modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>, p0:kotlin.Int, p1:K!, p2:V!, p3:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:newTreeNode visibility:public/*package*/ modality:OPEN <> (p0:kotlin.Int, p1:K!, p2:V!, p3:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:newTreeNode visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:kotlin.Int, p1:K!, p2:V!, p3:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:K! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:V! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:java.util.HashMap.Node<K!, V!>! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:reinitialize visibility:public/*package*/ modality:OPEN <> () returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:reinitialize visibility:public/*package*/ modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:reinitialize visibility:public/*package*/ modality:OPEN <> () returnType:Unit flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replacementNode visibility:public/*package*/ modality:OPEN <> (p0:java.util.HashMap.Node<K!, V!>!, p1:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:reinitialize visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:replacementNode visibility:public/*package*/ modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>, p0:java.util.HashMap.Node<K!, V!>!, p1:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replacementNode visibility:public/*package*/ modality:OPEN <> (p0:java.util.HashMap.Node<K!, V!>!, p1:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:replacementNode visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.util.HashMap.Node<K!, V!>!, p1:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.HashMap.Node<K!, V!>! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.HashMap.Node<K!, V!>! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replacementTreeNode visibility:public/*package*/ modality:OPEN <> (p0:java.util.HashMap.Node<K!, V!>!, p1:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:replacementTreeNode visibility:public/*package*/ modality:OPEN <> ($this:java.util.LinkedHashMap<K, V>, p0:java.util.HashMap.Node<K!, V!>!, p1:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replacementTreeNode visibility:public/*package*/ modality:OPEN <> (p0:java.util.HashMap.Node<K!, V!>!, p1:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:replacementTreeNode visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.util.HashMap.Node<K!, V!>!, p1:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.LinkedHashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.HashMap.Node<K!, V!>! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.HashMap.Node<K!, V!>! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:eq visibility:invisible_fake modality:OPEN <> (p0:kotlin.Any!, p1:kotlin.Any!) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:eq visibility:invisible_fake modality:OPEN <> (p0:kotlin.Any!, p1:kotlin.Any!) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:eq visibility:invisible_fake modality:OPEN <> (p0:kotlin.Any!, p1:kotlin.Any!) returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:eq visibility:invisible_fake modality:OPEN <> (p0:kotlin.Any!, p1:kotlin.Any!) returnType:Boolean flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Any! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Any! flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:serialVersionUID type:kotlin.Long visibility:private modality:FINAL flags:constmval
@@ -767,25 +931,26 @@ MODULE_FRAGMENT name:<dependencies of test-module>
         FIELD IR_EXTERNAL_DECLARATION_STUB name:TREEIFY_THRESHOLD type:kotlin.Int visibility:public/*package*/
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:UNTREEIFY_THRESHOLD type:kotlin.Int visibility:public/*package*/ modality:FINAL flags:constmval
         FIELD IR_EXTERNAL_DECLARATION_STUB name:UNTREEIFY_THRESHOLD type:kotlin.Int visibility:public/*package*/
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hash visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Any!) returnType:Int flags:
+      FUN FAKE_OVERRIDE name:hash visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Any!) returnType:Int flags:
         overridden:
           FUN IR_EXTERNAL_DECLARATION_STUB name:hash visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Any!) returnType:Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Any! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:tableSizeFor visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Int) returnType:Int flags:
+      FUN FAKE_OVERRIDE name:tableSizeFor visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Int) returnType:Int flags:
         overridden:
           FUN IR_EXTERNAL_DECLARATION_STUB name:tableSizeFor visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Int) returnType:Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:comparableClassFor visibility:public/*package*/ modality:OPEN <> (p0:kotlin.Any!) returnType:(java.lang.Class<*>..java.lang.Class<*>?) flags:
+      FUN FAKE_OVERRIDE name:comparableClassFor visibility:public/*package*/ modality:OPEN <> (p0:kotlin.Any!) returnType:(java.lang.Class<*>..java.lang.Class<*>?) flags:
         overridden:
           FUN IR_EXTERNAL_DECLARATION_STUB name:comparableClassFor visibility:public/*package*/ modality:OPEN <> (p0:kotlin.Any!) returnType:(java.lang.Class<*>..java.lang.Class<*>?) flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Any! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:compareComparables visibility:public/*package*/ modality:OPEN <> (p0:java.lang.Class<*>!, p1:kotlin.Any!, p2:kotlin.Any!) returnType:Int flags:
+      FUN FAKE_OVERRIDE name:compareComparables visibility:public/*package*/ modality:OPEN <> (p0:java.lang.Class<*>!, p1:kotlin.Any!, p2:kotlin.Any!) returnType:Int flags:
         overridden:
           FUN IR_EXTERNAL_DECLARATION_STUB name:compareComparables visibility:public/*package*/ modality:OPEN <> (p0:java.lang.Class<*>!, p1:kotlin.Any!, p2:kotlin.Any!) returnType:Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.lang.Class<*>! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Any! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:kotlin.Any! flags:
     CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:HashMap modality:OPEN visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
       superClasses:
         CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:AbstractMap modality:ABSTRACT visibility:public flags:
         UNBOUND: interface Cloneable
@@ -801,175 +966,212 @@ MODULE_FRAGMENT name:<dependencies of test-module>
       CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> (p0:kotlin.Int, p1:kotlin.Float) returnType:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Float flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:readObject visibility:private modality:OPEN <> (p0:java.io.ObjectInputStream!) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:readObject visibility:private modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.io.ObjectInputStream!) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.io.ObjectInputStream! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:writeObject visibility:private modality:OPEN <> (p0:java.io.ObjectOutputStream!) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:writeObject visibility:private modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.io.ObjectOutputStream!) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.io.ObjectOutputStream! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:OPEN <> () returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:OPEN <> () returnType:Unit flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:ABSTRACT <> () returnType:Unit flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:public modality:OPEN <> () returnType:Any flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>) returnType:Any flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected/*protected and package*/ modality:OPEN <> () returnType:(kotlin.Any..kotlin.Any?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected/*protected and package*/ modality:OPEN <> ($this:java.util.AbstractMap<K, V>) returnType:(kotlin.Any..kotlin.Any?) flags:
           UNBOUND: fun clone(): kotlin.Any
-      FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> (p0:K, p1:java.util.function.BiFunction<in K, in V?, out V?>) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:K, p1:java.util.function.BiFunction<in K, in V?, out V?>) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> (p0:K!, p1:java.util.function.BiFunction<in K!, in V?, out V?>) returnType:V? flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> (p0:K, p1:java.util.function.BiFunction<in K, in V?, out V?>) returnType:V? flags:
+          FUN FAKE_OVERRIDE name:compute visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, p0:K!, p1:java.util.function.BiFunction<in K!, in V?, out V?>) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:java.util.function.BiFunction<in K, in V?, out V?>) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.function.BiFunction<in K, in V?, out V?> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> (p0:K, p1:java.util.function.Function<in K, out V>) returnType:V flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:K, p1:java.util.function.Function<in K, out V>) returnType:V flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> (p0:K!, p1:java.util.function.Function<in K!, out V!>) returnType:(V..V?) flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> (p0:K, p1:java.util.function.Function<in K, out V>) returnType:V flags:
+          FUN FAKE_OVERRIDE name:computeIfAbsent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, p0:K!, p1:java.util.function.Function<in K!, out V!>) returnType:(V..V?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:java.util.function.Function<in K, out V>) returnType:V flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.function.Function<in K, out V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> (p0:K, p1:java.util.function.BiFunction<in K, in V, out V?>) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:K, p1:java.util.function.BiFunction<in K, in V, out V?>) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> (p0:K!, p1:java.util.function.BiFunction<in K!, in V, out V?>) returnType:V? flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> (p0:K, p1:java.util.function.BiFunction<in K, in V, out V?>) returnType:V? flags:
+          FUN FAKE_OVERRIDE name:computeIfPresent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, p0:K!, p1:java.util.function.BiFunction<in K!, in V, out V?>) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:java.util.function.BiFunction<in K, in V, out V?>) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.function.BiFunction<in K, in V, out V?> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:OPEN <> (key:K) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, key:K) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:OPEN <> (key:K!) returnType:Boolean flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:ABSTRACT <> (key:K) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>, key:K!) returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:containsKey visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, key:K) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:OPEN <> (value:V) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, value:V) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:OPEN <> (value:V!) returnType:Boolean flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:ABSTRACT <> (value:V) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>, value:V!) returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:containsValue visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, value:V) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:0 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> (p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> (p0:java.util.function.BiConsumer<in K!, in V!>) returnType:Unit flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> (p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
+          FUN FAKE_OVERRIDE name:forEach visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K!, V!>, p0:java.util.function.BiConsumer<in K!, in V!>) returnType:Unit flags:
+          FUN FAKE_OVERRIDE name:forEach visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K, V>, p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.BiConsumer<in K, in V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:OPEN <> (key:K) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, key:K) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:OPEN <> (key:K!) returnType:V? flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:ABSTRACT <> (key:K) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>, key:K!) returnType:V? flags:
+          FUN FAKE_OVERRIDE name:get visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, key:K) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> (key:K, defaultValue:V) returnType:V flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, key:K, defaultValue:V) returnType:V flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> (key:K!, defaultValue:V!) returnType:(V..V?) flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> (key:K, defaultValue:V) returnType:V flags:
+          FUN FAKE_OVERRIDE name:getOrDefault visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K!, V!>, key:K!, defaultValue:V!) returnType:(V..V?) flags:
+          FUN FAKE_OVERRIDE name:getOrDefault visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K, V>, key:K, defaultValue:V) returnType:V flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:defaultValue index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:OPEN <> () returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:OPEN <> () returnType:Boolean flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:ABSTRACT <> () returnType:Boolean flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> (p0:K, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>) returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:isEmpty visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:K, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> (p0:K!, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> (p0:K, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
+          FUN FAKE_OVERRIDE name:merge visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, p0:K!, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:java.util.function.BiFunction<in V, in V, out V?> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:OPEN <> (key:K, value:V) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, key:K, value:V) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:OPEN <> (key:K!, value:V!) returnType:V? flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:ABSTRACT <> (key:K, value:V) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>, key:K!, value:V!) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>, key:K, value:V) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:OPEN <> (from:kotlin.collections.Map<out K, V>) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, from:kotlin.collections.Map<out K, V>) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:OPEN <> (from:kotlin.collections.Map<out K!, V!>) returnType:Unit flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:ABSTRACT <> (from:kotlin.collections.Map<out K, V>) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>, from:kotlin.collections.Map<out K!, V!>) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>, from:kotlin.collections.Map<out K, V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:from index:0 type:kotlin.collections.Map<out K, V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> (p0:K, p1:V) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:K, p1:V) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> (p0:K!, p1:V!) returnType:V? flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> (p0:K, p1:V) returnType:V? flags:
+          FUN FAKE_OVERRIDE name:putIfAbsent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, p0:K!, p1:V!) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (key:K) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, key:K) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (key:K!) returnType:V? flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:ABSTRACT <> (key:K) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>, key:K!) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>, key:K) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (key:K, value:V) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, key:K, value:V) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (key:K!, value:V!) returnType:Boolean flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (key:K, value:V) returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:remove visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, key:K!, value:V!) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, key:K, value:V) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K, p1:V) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:K, p1:V) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K!, p1:V!) returnType:V? flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K, p1:V) returnType:V? flags:
+          FUN FAKE_OVERRIDE name:replace visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, p0:K!, p1:V!) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K, p1:V, p2:V) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:K, p1:V, p2:V) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K!, p1:V!, p2:V!) returnType:Boolean flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K, p1:V, p2:V) returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:replace visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, p0:K!, p1:V!, p2:V!) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V, p2:V) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> (p0:java.util.function.BiFunction<in K, in V, out V>) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.util.function.BiFunction<in K, in V, out V>) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> (p0:java.util.function.BiFunction<in K!, in V!, out V!>) returnType:Unit flags:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> (p0:java.util.function.BiFunction<in K, in V, out V>) returnType:Unit flags:
+          FUN FAKE_OVERRIDE name:replaceAll visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, p0:java.util.function.BiFunction<in K!, in V!, out V!>) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:java.util.function.BiFunction<in K, in V, out V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.BiFunction<in K, in V, out V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:entries type:kotlin.collections.MutableSet<kotlin.collections.MutableMap.MutableEntry<K, V>> visibility:public modality:OPEN flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:OPEN <> () returnType:(kotlin.collections.MutableSet<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>..kotlin.collections.Set<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>) returnType:(kotlin.collections.MutableSet<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>..kotlin.collections.Set<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> () returnType:(kotlin.collections.MutableSet<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>..kotlin.collections.Set<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>?) flags:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> () returnType:MutableSet<MutableEntry<K, V>> flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> ($this:java.util.AbstractMap<K, V>) returnType:(kotlin.collections.MutableSet<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>..kotlin.collections.Set<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>?) flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:MutableSet<MutableEntry<K, V>> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:keys type:kotlin.collections.MutableSet<K> visibility:public modality:OPEN flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:OPEN <> () returnType:(kotlin.collections.MutableSet<(K..K?)>..kotlin.collections.Set<(K..K?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>) returnType:(kotlin.collections.MutableSet<(K..K?)>..kotlin.collections.Set<(K..K?)>?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:OPEN <> () returnType:(kotlin.collections.MutableSet<(K..K?)>..kotlin.collections.Set<(K..K?)>?) flags:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:ABSTRACT <> () returnType:MutableSet<K> flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>) returnType:(kotlin.collections.MutableSet<(K..K?)>..kotlin.collections.Set<(K..K?)>?) flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:MutableSet<K> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:size type:kotlin.Int visibility:public modality:OPEN flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:OPEN <> () returnType:Int flags:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:ABSTRACT <> () returnType:Int flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>) returnType:Int flags:
+            FUN FAKE_OVERRIDE name:<get-size> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:values type:kotlin.collections.MutableCollection<V> visibility:public modality:OPEN flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:OPEN <> () returnType:(kotlin.collections.MutableCollection<(V..V?)>..kotlin.collections.Collection<(V..V?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:OPEN <> ($this:java.util.HashMap<K, V>) returnType:(kotlin.collections.MutableCollection<(V..V?)>..kotlin.collections.Collection<(V..V?)>?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:OPEN <> () returnType:(kotlin.collections.MutableCollection<(V..V?)>..kotlin.collections.Collection<(V..V?)>?) flags:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:ABSTRACT <> () returnType:MutableCollection<V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>) returnType:(kotlin.collections.MutableCollection<(V..V?)>..kotlin.collections.Collection<(V..V?)>?) flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:MutableCollection<V> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
+      FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K!, V!>, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>, other:kotlin.Any?) returnType:Boolean flags:
           UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
           UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+      FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K!, V!>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>) returnType:Int flags:
           UNBOUND: fun hashCode(): kotlin.Int
           UNBOUND: fun hashCode(): kotlin.Int
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K!, V!> flags:
+      FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K!, V!>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>) returnType:String flags:
           UNBOUND: fun toString(): kotlin.String
           UNBOUND: fun toString(): kotlin.String
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K!, V!> flags:
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:HashIterator modality:ABSTRACT visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.HashIterator flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
-        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> () returnType:java.util.HashMap<K, V>.HashIterator flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> () returnType:Unit flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> () returnType:Boolean flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> ($this:java.util.HashMap<K, V>) returnType:java.util.HashMap<K, V>.HashIterator flags:
+          $outer: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.HashIterator) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.HashIterator flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.HashIterator) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.HashIterator flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> () returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>.HashIterator) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.HashIterator flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:expectedModCount type:kotlin.Int visibility:public/*package*/ modality:FINAL flags:var
@@ -979,6 +1181,7 @@ MODULE_FRAGMENT name:<dependencies of test-module>
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:EntrySpliterator modality:FINAL visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.EntrySpliterator<K, V> flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:HashMapSpliterator modality:OPEN visibility:public/*package*/ flags:
           UNBOUND: interface Spliterator<T : kotlin.Any!>
@@ -990,50 +1193,62 @@ MODULE_FRAGMENT name:<dependencies of test-module>
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:kotlin.Int flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:kotlin.Int flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p4 index:4 type:kotlin.Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:estimateSize visibility:public modality:FINAL <> () returnType:Long flags:
+        FUN FAKE_OVERRIDE name:estimateSize visibility:public modality:FINAL <> ($this:java.util.HashMap.HashMapSpliterator<K!, V!>) returnType:Long flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:estimateSize visibility:public modality:FINAL <> () returnType:Long flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:estimateSize visibility:public modality:FINAL <> ($this:java.util.HashMap.HashMapSpliterator<K, V>) returnType:Long flags:
             UNBOUND: fun estimateSize(): kotlin.Long
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getComparator visibility:public modality:OPEN <> () returnType:(java.util.Comparator<in (kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>..java.util.Comparator<in (kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.HashMapSpliterator<K!, V!> flags:
+        FUN FAKE_OVERRIDE name:getComparator visibility:public modality:OPEN <> ($this:java.util.Spliterator<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:(java.util.Comparator<in (kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>..java.util.Comparator<in (kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>?) flags:
           overridden:
             UNBOUND: fun getComparator(): java.util.Comparator<in T!>!
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getExactSizeIfKnown visibility:public modality:OPEN <> () returnType:Long flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.Spliterator<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
+        FUN FAKE_OVERRIDE name:getExactSizeIfKnown visibility:public modality:OPEN <> ($this:java.util.Spliterator<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Long flags:
           overridden:
             UNBOUND: fun getExactSizeIfKnown(): kotlin.Long
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hasCharacteristics visibility:public modality:OPEN <> (p0:kotlin.Int) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.Spliterator<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
+        FUN FAKE_OVERRIDE name:hasCharacteristics visibility:public modality:OPEN <> ($this:java.util.Spliterator<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, p0:kotlin.Int) returnType:Boolean flags:
           overridden:
             UNBOUND: fun hasCharacteristics(p0: kotlin.Int): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.Spliterator<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:characteristics visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:characteristics visibility:public modality:OPEN <> ($this:java.util.HashMap.EntrySpliterator<K, V>) returnType:Int flags:
           overridden:
             UNBOUND: fun characteristics(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:forEachRemaining visibility:public modality:OPEN <> (p0:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>!) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.EntrySpliterator<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:forEachRemaining visibility:public modality:OPEN <> ($this:java.util.HashMap.EntrySpliterator<K, V>, p0:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>!) returnType:Unit flags:
           overridden:
             UNBOUND: fun forEachRemaining(p0: java.util.function.Consumer<in T!>!): kotlin.Unit
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.EntrySpliterator<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:tryAdvance visibility:public modality:OPEN <> (p0:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>!) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:tryAdvance visibility:public modality:OPEN <> ($this:java.util.HashMap.EntrySpliterator<K, V>, p0:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun tryAdvance(p0: java.util.function.Consumer<in T!>!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.EntrySpliterator<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:trySplit visibility:public modality:OPEN <> () returnType:(java.util.HashMap.EntrySpliterator<(K..K?), (V..V?)>..java.util.HashMap.EntrySpliterator<(K..K?), (V..V?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:trySplit visibility:public modality:OPEN <> ($this:java.util.HashMap.EntrySpliterator<K, V>) returnType:(java.util.HashMap.EntrySpliterator<(K..K?), (V..V?)>..java.util.HashMap.EntrySpliterator<(K..K?), (V..V?)>?) flags:
           overridden:
             UNBOUND: fun trySplit(): java.util.Spliterator<T!>!
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.EntrySpliterator<K, V> flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+            FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
             UNBOUND: fun toString(): kotlin.String
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getFence visibility:public/*package*/ modality:FINAL <> () returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:getFence visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap.HashMapSpliterator<K!, V!>) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:getFence visibility:public/*package*/ modality:FINAL <> () returnType:Int flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:getFence visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap.HashMapSpliterator<K, V>) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.HashMapSpliterator<K!, V!> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:map type:java.util.HashMap<K!, V!>! visibility:public/*package*/ modality:FINAL flags:val
           FIELD IR_EXTERNAL_DECLARATION_STUB name:map type:java.util.HashMap<K!, V!>! visibility:public/*package*/
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
@@ -1063,6 +1278,7 @@ MODULE_FRAGMENT name:<dependencies of test-module>
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:SUBSIZED type:kotlin.Int visibility:public modality:FINAL flags:constmval
           FIELD IR_EXTERNAL_DECLARATION_STUB name:SUBSIZED type:kotlin.Int visibility:public
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:KeySpliterator modality:FINAL visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.KeySpliterator<K, V> flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:HashMapSpliterator modality:OPEN visibility:public/*package*/ flags:
           UNBOUND: interface Spliterator<T : kotlin.Any!>
@@ -1074,50 +1290,62 @@ MODULE_FRAGMENT name:<dependencies of test-module>
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:kotlin.Int flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:kotlin.Int flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p4 index:4 type:kotlin.Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:estimateSize visibility:public modality:FINAL <> () returnType:Long flags:
+        FUN FAKE_OVERRIDE name:estimateSize visibility:public modality:FINAL <> ($this:java.util.HashMap.HashMapSpliterator<K!, V!>) returnType:Long flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:estimateSize visibility:public modality:FINAL <> () returnType:Long flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:estimateSize visibility:public modality:FINAL <> ($this:java.util.HashMap.HashMapSpliterator<K, V>) returnType:Long flags:
             UNBOUND: fun estimateSize(): kotlin.Long
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getComparator visibility:public modality:OPEN <> () returnType:(java.util.Comparator<in (K..K?)>..java.util.Comparator<in (K..K?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.HashMapSpliterator<K!, V!> flags:
+        FUN FAKE_OVERRIDE name:getComparator visibility:public modality:OPEN <> ($this:java.util.Spliterator<K!>) returnType:(java.util.Comparator<in (K..K?)>..java.util.Comparator<in (K..K?)>?) flags:
           overridden:
             UNBOUND: fun getComparator(): java.util.Comparator<in T!>!
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getExactSizeIfKnown visibility:public modality:OPEN <> () returnType:Long flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.Spliterator<K!> flags:
+        FUN FAKE_OVERRIDE name:getExactSizeIfKnown visibility:public modality:OPEN <> ($this:java.util.Spliterator<K!>) returnType:Long flags:
           overridden:
             UNBOUND: fun getExactSizeIfKnown(): kotlin.Long
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hasCharacteristics visibility:public modality:OPEN <> (p0:kotlin.Int) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.Spliterator<K!> flags:
+        FUN FAKE_OVERRIDE name:hasCharacteristics visibility:public modality:OPEN <> ($this:java.util.Spliterator<K!>, p0:kotlin.Int) returnType:Boolean flags:
           overridden:
             UNBOUND: fun hasCharacteristics(p0: kotlin.Int): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.Spliterator<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:characteristics visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:characteristics visibility:public modality:OPEN <> ($this:java.util.HashMap.KeySpliterator<K, V>) returnType:Int flags:
           overridden:
             UNBOUND: fun characteristics(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:forEachRemaining visibility:public modality:OPEN <> (p0:java.util.function.Consumer<in K!>!) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.KeySpliterator<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:forEachRemaining visibility:public modality:OPEN <> ($this:java.util.HashMap.KeySpliterator<K, V>, p0:java.util.function.Consumer<in K!>!) returnType:Unit flags:
           overridden:
             UNBOUND: fun forEachRemaining(p0: java.util.function.Consumer<in T!>!): kotlin.Unit
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.KeySpliterator<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in K!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:tryAdvance visibility:public modality:OPEN <> (p0:java.util.function.Consumer<in K!>!) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:tryAdvance visibility:public modality:OPEN <> ($this:java.util.HashMap.KeySpliterator<K, V>, p0:java.util.function.Consumer<in K!>!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun tryAdvance(p0: java.util.function.Consumer<in T!>!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.KeySpliterator<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in K!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:trySplit visibility:public modality:OPEN <> () returnType:(java.util.HashMap.KeySpliterator<(K..K?), (V..V?)>..java.util.HashMap.KeySpliterator<(K..K?), (V..V?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:trySplit visibility:public modality:OPEN <> ($this:java.util.HashMap.KeySpliterator<K, V>) returnType:(java.util.HashMap.KeySpliterator<(K..K?), (V..V?)>..java.util.HashMap.KeySpliterator<(K..K?), (V..V?)>?) flags:
           overridden:
             UNBOUND: fun trySplit(): java.util.Spliterator<T!>!
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.KeySpliterator<K, V> flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+            FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
             UNBOUND: fun toString(): kotlin.String
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getFence visibility:public/*package*/ modality:FINAL <> () returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:getFence visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap.HashMapSpliterator<K!, V!>) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:getFence visibility:public/*package*/ modality:FINAL <> () returnType:Int flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:getFence visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap.HashMapSpliterator<K, V>) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.HashMapSpliterator<K!, V!> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:map type:java.util.HashMap<K!, V!>! visibility:public/*package*/ modality:FINAL flags:val
           FIELD IR_EXTERNAL_DECLARATION_STUB name:map type:java.util.HashMap<K!, V!>! visibility:public/*package*/
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
@@ -1147,6 +1375,7 @@ MODULE_FRAGMENT name:<dependencies of test-module>
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:SUBSIZED type:kotlin.Int visibility:public modality:FINAL flags:constmval
           FIELD IR_EXTERNAL_DECLARATION_STUB name:SUBSIZED type:kotlin.Int visibility:public
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:TreeNode modality:FINAL visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.TreeNode<K, V> flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Entry modality:OPEN visibility:public/*package*/ flags:
         TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:K index:0 variance: upperBounds:[kotlin.Any!]
@@ -1156,54 +1385,68 @@ MODULE_FRAGMENT name:<dependencies of test-module>
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:K! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:V! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:java.util.HashMap.Node<K!, V!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>, other:kotlin.Any?) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K!, V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:FINAL <> (newValue:V!) returnType:(V..V?) flags:
+            FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K!, V!> flags:
+        FUN FAKE_OVERRIDE name:setValue visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>, newValue:V!) returnType:(V..V?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:FINAL <> (newValue:V!) returnType:(V..V?) flags:
+            FUN FAKE_OVERRIDE name:setValue visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>, newValue:V!) returnType:(V..V?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K!, V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:newValue index:0 type:V! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:FINAL <> () returnType:String flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:FINAL <> () returnType:String flags:
+            FUN FAKE_OVERRIDE name:toString visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>) returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K!, V!> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:key type:K! visibility:public modality:FINAL flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:FINAL <> () returnType:(K..K?) flags:
+          FUN FAKE_OVERRIDE name:<get-key> visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>) returnType:(K..K?) flags:
             overridden:
-              FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:FINAL <> () returnType:(K..K?) flags:
+              FUN FAKE_OVERRIDE name:<get-key> visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>) returnType:(K..K?) flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K!, V!> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:value type:V! visibility:public modality:FINAL flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:FINAL <> () returnType:(V..V?) flags:
+          FUN FAKE_OVERRIDE name:<get-value> visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>) returnType:(V..V?) flags:
             overridden:
-              FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:FINAL <> () returnType:(V..V?) flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:find visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Int, p1:kotlin.Any!, p2:java.lang.Class<*>!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+              FUN FAKE_OVERRIDE name:<get-value> visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K!, V!>) returnType:(V..V?) flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K!, V!> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:find visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap.TreeNode<K, V>, p0:kotlin.Int, p1:kotlin.Any!, p2:java.lang.Class<*>!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.TreeNode<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Any! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:java.lang.Class<*>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getTreeNode visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Int, p1:kotlin.Any!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getTreeNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap.TreeNode<K, V>, p0:kotlin.Int, p1:kotlin.Any!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.TreeNode<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Any! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:putTreeVal visibility:public/*package*/ modality:FINAL <> (p0:java.util.HashMap<K!, V!>!, p1:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>!, p2:kotlin.Int, p3:K!, p4:V!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:putTreeVal visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap.TreeNode<K, V>, p0:java.util.HashMap<K!, V!>!, p1:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>!, p2:kotlin.Int, p3:K!, p4:V!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.TreeNode<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.HashMap<K!, V!>! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:kotlin.Int flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:K! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p4 index:4 type:V! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:removeTreeNode visibility:public/*package*/ modality:FINAL <> (p0:java.util.HashMap<K!, V!>!, p1:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>!, p2:kotlin.Boolean) returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:removeTreeNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap.TreeNode<K, V>, p0:java.util.HashMap<K!, V!>!, p1:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>!, p2:kotlin.Boolean) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.TreeNode<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.HashMap<K!, V!>! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:kotlin.Boolean flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:root visibility:public/*package*/ modality:FINAL <> () returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:split visibility:public/*package*/ modality:FINAL <> (p0:java.util.HashMap<K!, V!>!, p1:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>!, p2:kotlin.Int, p3:kotlin.Int) returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:root visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap.TreeNode<K, V>) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.TreeNode<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:split visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap.TreeNode<K, V>, p0:java.util.HashMap<K!, V!>!, p1:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>!, p2:kotlin.Int, p3:kotlin.Int) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.TreeNode<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.HashMap<K!, V!>! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:kotlin.Int flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:kotlin.Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:treeify visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>!) returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:treeify visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap.TreeNode<K, V>, p0:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>!) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.TreeNode<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:untreeify visibility:public/*package*/ modality:FINAL <> (p0:java.util.HashMap<K!, V!>!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:untreeify visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap.TreeNode<K, V>, p0:java.util.HashMap<K!, V!>!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.TreeNode<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.HashMap<K!, V!>! flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:hash type:kotlin.Int visibility:public/*package*/ modality:FINAL flags:val
           FIELD IR_EXTERNAL_DECLARATION_STUB name:hash type:kotlin.Int visibility:public/*package*/
@@ -1260,6 +1503,7 @@ MODULE_FRAGMENT name:<dependencies of test-module>
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Any! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Any! flags:
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:ValueSpliterator modality:FINAL visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.ValueSpliterator<K, V> flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:HashMapSpliterator modality:OPEN visibility:public/*package*/ flags:
           UNBOUND: interface Spliterator<T : kotlin.Any!>
@@ -1271,50 +1515,62 @@ MODULE_FRAGMENT name:<dependencies of test-module>
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:kotlin.Int flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:kotlin.Int flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p4 index:4 type:kotlin.Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:estimateSize visibility:public modality:FINAL <> () returnType:Long flags:
+        FUN FAKE_OVERRIDE name:estimateSize visibility:public modality:FINAL <> ($this:java.util.HashMap.HashMapSpliterator<K!, V!>) returnType:Long flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:estimateSize visibility:public modality:FINAL <> () returnType:Long flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:estimateSize visibility:public modality:FINAL <> ($this:java.util.HashMap.HashMapSpliterator<K, V>) returnType:Long flags:
             UNBOUND: fun estimateSize(): kotlin.Long
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getComparator visibility:public modality:OPEN <> () returnType:(java.util.Comparator<in (V..V?)>..java.util.Comparator<in (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.HashMapSpliterator<K!, V!> flags:
+        FUN FAKE_OVERRIDE name:getComparator visibility:public modality:OPEN <> ($this:java.util.Spliterator<V!>) returnType:(java.util.Comparator<in (V..V?)>..java.util.Comparator<in (V..V?)>?) flags:
           overridden:
             UNBOUND: fun getComparator(): java.util.Comparator<in T!>!
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getExactSizeIfKnown visibility:public modality:OPEN <> () returnType:Long flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.Spliterator<V!> flags:
+        FUN FAKE_OVERRIDE name:getExactSizeIfKnown visibility:public modality:OPEN <> ($this:java.util.Spliterator<V!>) returnType:Long flags:
           overridden:
             UNBOUND: fun getExactSizeIfKnown(): kotlin.Long
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hasCharacteristics visibility:public modality:OPEN <> (p0:kotlin.Int) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.Spliterator<V!> flags:
+        FUN FAKE_OVERRIDE name:hasCharacteristics visibility:public modality:OPEN <> ($this:java.util.Spliterator<V!>, p0:kotlin.Int) returnType:Boolean flags:
           overridden:
             UNBOUND: fun hasCharacteristics(p0: kotlin.Int): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.Spliterator<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:characteristics visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:characteristics visibility:public modality:OPEN <> ($this:java.util.HashMap.ValueSpliterator<K, V>) returnType:Int flags:
           overridden:
             UNBOUND: fun characteristics(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:forEachRemaining visibility:public modality:OPEN <> (p0:java.util.function.Consumer<in V!>!) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.ValueSpliterator<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:forEachRemaining visibility:public modality:OPEN <> ($this:java.util.HashMap.ValueSpliterator<K, V>, p0:java.util.function.Consumer<in V!>!) returnType:Unit flags:
           overridden:
             UNBOUND: fun forEachRemaining(p0: java.util.function.Consumer<in T!>!): kotlin.Unit
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.ValueSpliterator<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in V!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:tryAdvance visibility:public modality:OPEN <> (p0:java.util.function.Consumer<in V!>!) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:tryAdvance visibility:public modality:OPEN <> ($this:java.util.HashMap.ValueSpliterator<K, V>, p0:java.util.function.Consumer<in V!>!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun tryAdvance(p0: java.util.function.Consumer<in T!>!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.ValueSpliterator<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in V!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:trySplit visibility:public modality:OPEN <> () returnType:(java.util.HashMap.ValueSpliterator<(K..K?), (V..V?)>..java.util.HashMap.ValueSpliterator<(K..K?), (V..V?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:trySplit visibility:public modality:OPEN <> ($this:java.util.HashMap.ValueSpliterator<K, V>) returnType:(java.util.HashMap.ValueSpliterator<(K..K?), (V..V?)>..java.util.HashMap.ValueSpliterator<(K..K?), (V..V?)>?) flags:
           overridden:
             UNBOUND: fun trySplit(): java.util.Spliterator<T!>!
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.ValueSpliterator<K, V> flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+            FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
             UNBOUND: fun toString(): kotlin.String
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getFence visibility:public/*package*/ modality:FINAL <> () returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:getFence visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap.HashMapSpliterator<K!, V!>) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:getFence visibility:public/*package*/ modality:FINAL <> () returnType:Int flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:getFence visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap.HashMapSpliterator<K, V>) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.HashMapSpliterator<K!, V!> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:map type:java.util.HashMap<K!, V!>! visibility:public/*package*/ modality:FINAL flags:val
           FIELD IR_EXTERNAL_DECLARATION_STUB name:map type:java.util.HashMap<K!, V!>! visibility:public/*package*/
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
@@ -1343,66 +1599,84 @@ MODULE_FRAGMENT name:<dependencies of test-module>
           FIELD IR_EXTERNAL_DECLARATION_STUB name:SORTED type:kotlin.Int visibility:public
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:SUBSIZED type:kotlin.Int visibility:public modality:FINAL flags:constmval
           FIELD IR_EXTERNAL_DECLARATION_STUB name:SUBSIZED type:kotlin.Int visibility:public
-      FUN IR_EXTERNAL_DECLARATION_STUB name:capacity visibility:public/*package*/ modality:FINAL <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:getNode visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Int, p1:kotlin.Any!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:capacity visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:getNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>, p0:kotlin.Int, p1:kotlin.Any!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Any! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:loadFactor visibility:public/*package*/ modality:FINAL <> () returnType:Float flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:putMapEntries visibility:public/*package*/ modality:FINAL <> (p0:(kotlin.collections.MutableMap<out K!, out V!>..kotlin.collections.Map<out K!, V!>?), p1:kotlin.Boolean) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:loadFactor visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>) returnType:Float flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:putMapEntries visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>, p0:(kotlin.collections.MutableMap<out K!, out V!>..kotlin.collections.Map<out K!, V!>?), p1:kotlin.Boolean) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:(kotlin.collections.MutableMap<out K!, out V!>..kotlin.collections.Map<out K!, V!>?) flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Boolean flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:putVal visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Int, p1:K!, p2:V!, p3:kotlin.Boolean, p4:kotlin.Boolean) returnType:(V..V?) flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:putVal visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>, p0:kotlin.Int, p1:K!, p2:V!, p3:kotlin.Boolean, p4:kotlin.Boolean) returnType:(V..V?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:K! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:V! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:kotlin.Boolean flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p4 index:4 type:kotlin.Boolean flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:removeNode visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Int, p1:kotlin.Any!, p2:kotlin.Any!, p3:kotlin.Boolean, p4:kotlin.Boolean) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:removeNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>, p0:kotlin.Int, p1:kotlin.Any!, p2:kotlin.Any!, p3:kotlin.Boolean, p4:kotlin.Boolean) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Any! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:kotlin.Any! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:kotlin.Boolean flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p4 index:4 type:kotlin.Boolean flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:resize visibility:public/*package*/ modality:FINAL <> () returnType:(kotlin.Array<(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?)>..kotlin.Array<out (java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?)>?) flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:treeifyBin visibility:public/*package*/ modality:FINAL <> (p0:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>!, p1:kotlin.Int) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:resize visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>) returnType:(kotlin.Array<(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?)>..kotlin.Array<out (java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?)>?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:treeifyBin visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>, p0:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>!, p1:kotlin.Int) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Array<(out) java.util.HashMap.Node<K!, V!>!>! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Int flags:
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:EntryIterator modality:FINAL visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.EntryIterator flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:HashIterator modality:ABSTRACT visibility:public/*package*/ flags:
           UNBOUND: interface MutableIterator<out T> : kotlin.collections.Iterator<T>
-        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> () returnType:java.util.HashMap<K, V>.EntryIterator flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:next visibility:public modality:FINAL <> () returnType:(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?) flags:
+        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> ($this:java.util.HashMap<K, V>) returnType:java.util.HashMap<K, V>.EntryIterator flags:
+          $outer: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:next visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.EntryIterator) returnType:(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?) flags:
           overridden:
             UNBOUND: fun next(): T
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> () returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.EntryIterator flags:
+        FUN FAKE_OVERRIDE name:hasNext visibility:public modality:FINAL <> ($this:java.util.HashMap<K!, V!>.HashIterator) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> () returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.HashIterator) returnType:Boolean flags:
             UNBOUND: fun hasNext(): kotlin.Boolean
-        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> () returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!>.HashIterator flags:
+        FUN FAKE_OVERRIDE name:remove visibility:public modality:FINAL <> ($this:java.util.HashMap<K!, V!>.HashIterator) returnType:Unit flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> () returnType:Unit flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.HashIterator) returnType:Unit flags:
             UNBOUND: fun remove(): kotlin.Unit
-        FUN IR_EXTERNAL_DECLARATION_STUB name:forEachRemaining visibility:public modality:OPEN <> (p0:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!>.HashIterator flags:
+        FUN FAKE_OVERRIDE name:forEachRemaining visibility:public modality:OPEN <> ($this:kotlin.collections.Iterator<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, p0:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Unit flags:
           overridden:
             UNBOUND: fun forEachRemaining(p0: java.util.function.Consumer<in T>): kotlin.Unit
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Iterator<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+            FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
             UNBOUND: fun toString(): kotlin.String
-        FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> () returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:nextNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K!, V!>.HashIterator) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> () returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>.HashIterator) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!>.HashIterator flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:expectedModCount type:kotlin.Int visibility:public/*package*/ modality:FINAL flags:var
@@ -1412,133 +1686,166 @@ MODULE_FRAGMENT name:<dependencies of test-module>
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:EntrySet modality:FINAL visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.EntrySet flags:
         superClasses:
           UNBOUND: class AbstractSet<E : kotlin.Any!> : java.util.AbstractCollection<E!>, kotlin.collections.MutableSet<E!>
-        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> () returnType:java.util.HashMap<K, V>.EntrySet flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:FINAL <> () returnType:Unit flags:
+        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> ($this:java.util.HashMap<K, V>) returnType:java.util.HashMap<K, V>.EntrySet flags:
+          $outer: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.EntrySet) returnType:Unit flags:
           overridden:
             UNBOUND: fun clear(): kotlin.Unit
-        FUN IR_EXTERNAL_DECLARATION_STUB name:contains visibility:public modality:FINAL <> (element:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.EntrySet flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:contains visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.EntrySet, element:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun contains(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.EntrySet flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:FINAL <> (p0:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>!) returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.EntrySet, p0:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>!) returnType:Unit flags:
           overridden:
             UNBOUND: fun forEach(p0: java.util.function.Consumer<in E!>!): kotlin.Unit
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.EntrySet flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:iterator visibility:public modality:FINAL <> () returnType:MutableIterator<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:iterator visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.EntrySet) returnType:MutableIterator<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)> flags:
           overridden:
             UNBOUND: fun iterator(): kotlin.collections.MutableIterator<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> (element:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.EntrySet flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.EntrySet, element:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun remove(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.EntrySet flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:spliterator visibility:public modality:FINAL <> () returnType:Spliterator<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:spliterator visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.EntrySet) returnType:Spliterator<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)> flags:
           overridden:
             UNBOUND: fun spliterator(): java.util.Spliterator<E!>
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.EntrySet flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:size type:kotlin.Int visibility:public modality:FINAL flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.EntrySet) returnType:Int flags:
             overridden:
               UNBOUND: fun <get-size>(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toArray visibility:public modality:OPEN <T> (p0:kotlin.Array<(out) T!>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.EntrySet flags:
+        FUN FAKE_OVERRIDE name:toArray visibility:public modality:OPEN <T> ($this:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, p0:kotlin.Array<(out) T!>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
           overridden:
             UNBOUND: fun <T : kotlin.Any!> toArray(p0: kotlin.Array<(out) T!>!): kotlin.Array<(out) T!>!
           TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:T index:0 variance: upperBounds:[kotlin.Any!]
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Array<(out) T!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:add visibility:public modality:OPEN <> (element:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:add visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, element:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun add(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:addAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:addAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, elements:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun addAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:containsAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:containsAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, elements:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun containsAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:java.util.AbstractSet<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractSet<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:java.util.AbstractSet<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Int flags:
           overridden:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:OPEN <> () returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractSet<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
+        FUN FAKE_OVERRIDE name:isEmpty visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun isEmpty(): kotlin.Boolean
-        FUN IR_EXTERNAL_DECLARATION_STUB name:parallelStream visibility:public modality:OPEN <> () returnType:Stream<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
+        FUN FAKE_OVERRIDE name:parallelStream visibility:public modality:OPEN <> ($this:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Stream<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)> flags:
           overridden:
             UNBOUND: fun parallelStream(): java.util.stream.Stream<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:removeAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
+        FUN FAKE_OVERRIDE name:removeAll visibility:public modality:OPEN <> ($this:java.util.AbstractSet<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, elements:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun removeAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractSet<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:removeIf visibility:public modality:OPEN <> (p0:java.util.function.Predicate<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:removeIf visibility:public modality:OPEN <> ($this:kotlin.collections.MutableCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, p0:java.util.function.Predicate<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun removeIf(p0: java.util.function.Predicate<in E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Predicate<in kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:retainAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:retainAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>, elements:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun retainAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:stream visibility:public modality:OPEN <> () returnType:Stream<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)> flags:
+        FUN FAKE_OVERRIDE name:stream visibility:public modality:OPEN <> ($this:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:Stream<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)> flags:
           overridden:
             UNBOUND: fun stream(): java.util.stream.Stream<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toArray visibility:public modality:OPEN <> () returnType:(kotlin.Array<(kotlin.Any..kotlin.Any?)>..kotlin.Array<out (kotlin.Any..kotlin.Any?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Collection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
+        FUN FAKE_OVERRIDE name:toArray visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:(kotlin.Array<(kotlin.Any..kotlin.Any?)>..kotlin.Array<out (kotlin.Any..kotlin.Any?)>?) flags:
           overridden:
             UNBOUND: fun toArray(): kotlin.Array<(out) kotlin.Any!>!
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!>) returnType:String flags:
           overridden:
             UNBOUND: fun toString(): kotlin.String
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<kotlin.collections.(Mutable)Map.(Mutable)Entry<K!, V!>!> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:MAX_ARRAY_SIZE type:kotlin.Int visibility:invisible_fake modality:FINAL flags:constmval
           FIELD IR_EXTERNAL_DECLARATION_STUB name:MAX_ARRAY_SIZE type:kotlin.Int visibility:invisible_fake
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finishToArray visibility:invisible_fake modality:OPEN <T> (p0:kotlin.Array<(out) T!>!, p1:kotlin.collections.(Mutable)Iterator<*>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
+        FUN FAKE_OVERRIDE name:finishToArray visibility:invisible_fake modality:OPEN <T> (p0:kotlin.Array<(out) T!>!, p1:kotlin.collections.(Mutable)Iterator<*>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
           overridden:
             UNBOUND: fun <T : kotlin.Any!> finishToArray(p0: kotlin.Array<(out) T!>!, p1: kotlin.collections.(Mutable)Iterator<*>!): kotlin.Array<(out) T!>!
           TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:T index:0 variance: upperBounds:[kotlin.Any!]
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Array<(out) T!>! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.collections.(Mutable)Iterator<*>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hugeCapacity visibility:invisible_fake modality:OPEN <> (p0:kotlin.Int) returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hugeCapacity visibility:invisible_fake modality:OPEN <> (p0:kotlin.Int) returnType:Int flags:
           overridden:
             UNBOUND: fun hugeCapacity(p0: kotlin.Int): kotlin.Int
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:KeyIterator modality:FINAL visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.KeyIterator flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:HashIterator modality:ABSTRACT visibility:public/*package*/ flags:
           UNBOUND: interface MutableIterator<out T> : kotlin.collections.Iterator<T>
-        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> () returnType:java.util.HashMap<K, V>.KeyIterator flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:next visibility:public modality:FINAL <> () returnType:(K..K?) flags:
+        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> ($this:java.util.HashMap<K, V>) returnType:java.util.HashMap<K, V>.KeyIterator flags:
+          $outer: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:next visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.KeyIterator) returnType:(K..K?) flags:
           overridden:
             UNBOUND: fun next(): T
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> () returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.KeyIterator flags:
+        FUN FAKE_OVERRIDE name:hasNext visibility:public modality:FINAL <> ($this:java.util.HashMap<K!, V!>.HashIterator) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> () returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.HashIterator) returnType:Boolean flags:
             UNBOUND: fun hasNext(): kotlin.Boolean
-        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> () returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!>.HashIterator flags:
+        FUN FAKE_OVERRIDE name:remove visibility:public modality:FINAL <> ($this:java.util.HashMap<K!, V!>.HashIterator) returnType:Unit flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> () returnType:Unit flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.HashIterator) returnType:Unit flags:
             UNBOUND: fun remove(): kotlin.Unit
-        FUN IR_EXTERNAL_DECLARATION_STUB name:forEachRemaining visibility:public modality:OPEN <> (p0:java.util.function.Consumer<in K!>) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!>.HashIterator flags:
+        FUN FAKE_OVERRIDE name:forEachRemaining visibility:public modality:OPEN <> ($this:kotlin.collections.Iterator<K!>, p0:java.util.function.Consumer<in K!>) returnType:Unit flags:
           overridden:
             UNBOUND: fun forEachRemaining(p0: java.util.function.Consumer<in T>): kotlin.Unit
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Iterator<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in K!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+            FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
             UNBOUND: fun toString(): kotlin.String
-        FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> () returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:nextNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K!, V!>.HashIterator) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> () returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>.HashIterator) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!>.HashIterator flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:expectedModCount type:kotlin.Int visibility:public/*package*/ modality:FINAL flags:var
@@ -1548,133 +1855,166 @@ MODULE_FRAGMENT name:<dependencies of test-module>
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:KeySet modality:FINAL visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.KeySet flags:
         superClasses:
           UNBOUND: class AbstractSet<E : kotlin.Any!> : java.util.AbstractCollection<E!>, kotlin.collections.MutableSet<E!>
-        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> () returnType:java.util.HashMap<K, V>.KeySet flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:FINAL <> () returnType:Unit flags:
+        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> ($this:java.util.HashMap<K, V>) returnType:java.util.HashMap<K, V>.KeySet flags:
+          $outer: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.KeySet) returnType:Unit flags:
           overridden:
             UNBOUND: fun clear(): kotlin.Unit
-        FUN IR_EXTERNAL_DECLARATION_STUB name:contains visibility:public modality:FINAL <> (element:K!) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.KeySet flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:contains visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.KeySet, element:K!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun contains(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.KeySet flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:K! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:FINAL <> (p0:java.util.function.Consumer<in K!>!) returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.KeySet, p0:java.util.function.Consumer<in K!>!) returnType:Unit flags:
           overridden:
             UNBOUND: fun forEach(p0: java.util.function.Consumer<in E!>!): kotlin.Unit
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.KeySet flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in K!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:iterator visibility:public modality:FINAL <> () returnType:MutableIterator<(K..K?)> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:iterator visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.KeySet) returnType:MutableIterator<(K..K?)> flags:
           overridden:
             UNBOUND: fun iterator(): kotlin.collections.MutableIterator<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> (element:K!) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.KeySet flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.KeySet, element:K!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun remove(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.KeySet flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:K! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:spliterator visibility:public modality:FINAL <> () returnType:Spliterator<(K..K?)> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:spliterator visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.KeySet) returnType:Spliterator<(K..K?)> flags:
           overridden:
             UNBOUND: fun spliterator(): java.util.Spliterator<E!>
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.KeySet flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:size type:kotlin.Int visibility:public modality:FINAL flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.KeySet) returnType:Int flags:
             overridden:
               UNBOUND: fun <get-size>(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toArray visibility:public modality:OPEN <T> (p0:kotlin.Array<(out) T!>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.KeySet flags:
+        FUN FAKE_OVERRIDE name:toArray visibility:public modality:OPEN <T> ($this:java.util.AbstractCollection<K!>, p0:kotlin.Array<(out) T!>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
           overridden:
             UNBOUND: fun <T : kotlin.Any!> toArray(p0: kotlin.Array<(out) T!>!): kotlin.Array<(out) T!>!
           TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:T index:0 variance: upperBounds:[kotlin.Any!]
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Array<(out) T!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:add visibility:public modality:OPEN <> (element:K!) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:add visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<K!>, element:K!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun add(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:K! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:addAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<K!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:addAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<K!>, elements:kotlin.collections.Collection<K!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun addAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<K!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:containsAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<K!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:containsAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<K!>, elements:kotlin.collections.Collection<K!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun containsAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<K!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:java.util.AbstractSet<K!>, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractSet<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:java.util.AbstractSet<K!>) returnType:Int flags:
           overridden:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:OPEN <> () returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractSet<K!> flags:
+        FUN FAKE_OVERRIDE name:isEmpty visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<K!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun isEmpty(): kotlin.Boolean
-        FUN IR_EXTERNAL_DECLARATION_STUB name:parallelStream visibility:public modality:OPEN <> () returnType:Stream<(K..K?)> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<K!> flags:
+        FUN FAKE_OVERRIDE name:parallelStream visibility:public modality:OPEN <> ($this:kotlin.collections.Collection<K!>) returnType:Stream<(K..K?)> flags:
           overridden:
             UNBOUND: fun parallelStream(): java.util.stream.Stream<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:removeAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<K!>) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Collection<K!> flags:
+        FUN FAKE_OVERRIDE name:removeAll visibility:public modality:OPEN <> ($this:java.util.AbstractSet<K!>, elements:kotlin.collections.Collection<K!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun removeAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractSet<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<K!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:removeIf visibility:public modality:OPEN <> (p0:java.util.function.Predicate<in K!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:removeIf visibility:public modality:OPEN <> ($this:kotlin.collections.MutableCollection<K!>, p0:java.util.function.Predicate<in K!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun removeIf(p0: java.util.function.Predicate<in E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableCollection<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Predicate<in K!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:retainAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<K!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:retainAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<K!>, elements:kotlin.collections.Collection<K!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun retainAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<K!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<K!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:stream visibility:public modality:OPEN <> () returnType:Stream<(K..K?)> flags:
+        FUN FAKE_OVERRIDE name:stream visibility:public modality:OPEN <> ($this:kotlin.collections.Collection<K!>) returnType:Stream<(K..K?)> flags:
           overridden:
             UNBOUND: fun stream(): java.util.stream.Stream<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toArray visibility:public modality:OPEN <> () returnType:(kotlin.Array<(kotlin.Any..kotlin.Any?)>..kotlin.Array<out (kotlin.Any..kotlin.Any?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Collection<K!> flags:
+        FUN FAKE_OVERRIDE name:toArray visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<K!>) returnType:(kotlin.Array<(kotlin.Any..kotlin.Any?)>..kotlin.Array<out (kotlin.Any..kotlin.Any?)>?) flags:
           overridden:
             UNBOUND: fun toArray(): kotlin.Array<(out) kotlin.Any!>!
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<K!> flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<K!>) returnType:String flags:
           overridden:
             UNBOUND: fun toString(): kotlin.String
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<K!> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:MAX_ARRAY_SIZE type:kotlin.Int visibility:invisible_fake modality:FINAL flags:constmval
           FIELD IR_EXTERNAL_DECLARATION_STUB name:MAX_ARRAY_SIZE type:kotlin.Int visibility:invisible_fake
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finishToArray visibility:invisible_fake modality:OPEN <T> (p0:kotlin.Array<(out) T!>!, p1:kotlin.collections.(Mutable)Iterator<*>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
+        FUN FAKE_OVERRIDE name:finishToArray visibility:invisible_fake modality:OPEN <T> (p0:kotlin.Array<(out) T!>!, p1:kotlin.collections.(Mutable)Iterator<*>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
           overridden:
             UNBOUND: fun <T : kotlin.Any!> finishToArray(p0: kotlin.Array<(out) T!>!, p1: kotlin.collections.(Mutable)Iterator<*>!): kotlin.Array<(out) T!>!
           TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:T index:0 variance: upperBounds:[kotlin.Any!]
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Array<(out) T!>! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.collections.(Mutable)Iterator<*>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hugeCapacity visibility:invisible_fake modality:OPEN <> (p0:kotlin.Int) returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hugeCapacity visibility:invisible_fake modality:OPEN <> (p0:kotlin.Int) returnType:Int flags:
           overridden:
             UNBOUND: fun hugeCapacity(p0: kotlin.Int): kotlin.Int
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:ValueIterator modality:FINAL visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.ValueIterator flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:HashIterator modality:ABSTRACT visibility:public/*package*/ flags:
           UNBOUND: interface MutableIterator<out T> : kotlin.collections.Iterator<T>
-        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> () returnType:java.util.HashMap<K, V>.ValueIterator flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:next visibility:public modality:FINAL <> () returnType:(V..V?) flags:
+        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> ($this:java.util.HashMap<K, V>) returnType:java.util.HashMap<K, V>.ValueIterator flags:
+          $outer: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:next visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.ValueIterator) returnType:(V..V?) flags:
           overridden:
             UNBOUND: fun next(): T
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> () returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.ValueIterator flags:
+        FUN FAKE_OVERRIDE name:hasNext visibility:public modality:FINAL <> ($this:java.util.HashMap<K!, V!>.HashIterator) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> () returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:hasNext visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.HashIterator) returnType:Boolean flags:
             UNBOUND: fun hasNext(): kotlin.Boolean
-        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> () returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!>.HashIterator flags:
+        FUN FAKE_OVERRIDE name:remove visibility:public modality:FINAL <> ($this:java.util.HashMap<K!, V!>.HashIterator) returnType:Unit flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> () returnType:Unit flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.HashIterator) returnType:Unit flags:
             UNBOUND: fun remove(): kotlin.Unit
-        FUN IR_EXTERNAL_DECLARATION_STUB name:forEachRemaining visibility:public modality:OPEN <> (p0:java.util.function.Consumer<in V!>) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!>.HashIterator flags:
+        FUN FAKE_OVERRIDE name:forEachRemaining visibility:public modality:OPEN <> ($this:kotlin.collections.Iterator<V!>, p0:java.util.function.Consumer<in V!>) returnType:Unit flags:
           overridden:
             UNBOUND: fun forEachRemaining(p0: java.util.function.Consumer<in T>): kotlin.Unit
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Iterator<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in V!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+            FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
             UNBOUND: fun toString(): kotlin.String
-        FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> () returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:nextNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K!, V!>.HashIterator) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> () returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:nextNode visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap<K, V>.HashIterator) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K!, V!>.HashIterator flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:expectedModCount type:kotlin.Int visibility:public/*package*/ modality:FINAL flags:var
@@ -1684,94 +2024,117 @@ MODULE_FRAGMENT name:<dependencies of test-module>
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Values modality:FINAL visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.Values flags:
         superClasses:
           UNBOUND: class AbstractCollection<E : kotlin.Any!> : kotlin.collections.MutableCollection<E!>
-        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> () returnType:java.util.HashMap<K, V>.Values flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:FINAL <> () returnType:Unit flags:
+        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public/*package*/ <> ($this:java.util.HashMap<K, V>) returnType:java.util.HashMap<K, V>.Values flags:
+          $outer: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.Values) returnType:Unit flags:
           overridden:
             UNBOUND: fun clear(): kotlin.Unit
-        FUN IR_EXTERNAL_DECLARATION_STUB name:contains visibility:public modality:FINAL <> (element:V!) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.Values flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:contains visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.Values, element:V!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun contains(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.Values flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:V! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:FINAL <> (p0:java.util.function.Consumer<in V!>!) returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.Values, p0:java.util.function.Consumer<in V!>!) returnType:Unit flags:
           overridden:
             UNBOUND: fun forEach(p0: java.util.function.Consumer<in E!>!): kotlin.Unit
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.Values flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Consumer<in V!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:iterator visibility:public modality:FINAL <> () returnType:MutableIterator<(V..V?)> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:iterator visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.Values) returnType:MutableIterator<(V..V?)> flags:
           overridden:
             UNBOUND: fun iterator(): kotlin.collections.MutableIterator<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:spliterator visibility:public modality:FINAL <> () returnType:Spliterator<(V..V?)> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.Values flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:spliterator visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.Values) returnType:Spliterator<(V..V?)> flags:
           overridden:
             UNBOUND: fun spliterator(): java.util.Spliterator<E!>
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.Values flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:size type:kotlin.Int visibility:public modality:FINAL flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:FINAL <> ($this:java.util.HashMap<K, V>.Values) returnType:Int flags:
             overridden:
               UNBOUND: fun <get-size>(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toArray visibility:public modality:OPEN <T> (p0:kotlin.Array<(out) T!>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V>.Values flags:
+        FUN FAKE_OVERRIDE name:toArray visibility:public modality:OPEN <T> ($this:java.util.AbstractCollection<V!>, p0:kotlin.Array<(out) T!>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
           overridden:
             UNBOUND: fun <T : kotlin.Any!> toArray(p0: kotlin.Array<(out) T!>!): kotlin.Array<(out) T!>!
           TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:T index:0 variance: upperBounds:[kotlin.Any!]
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Array<(out) T!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:add visibility:public modality:OPEN <> (element:V!) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:add visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>, element:V!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun add(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:V! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:addAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<V!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:addAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>, elements:kotlin.collections.Collection<V!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun addAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<V!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:containsAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<V!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:containsAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>, elements:kotlin.collections.Collection<V!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun containsAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<V!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:OPEN <> () returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:isEmpty visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun isEmpty(): kotlin.Boolean
-        FUN IR_EXTERNAL_DECLARATION_STUB name:parallelStream visibility:public modality:OPEN <> () returnType:Stream<(V..V?)> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
+        FUN FAKE_OVERRIDE name:parallelStream visibility:public modality:OPEN <> ($this:kotlin.collections.Collection<V!>) returnType:Stream<(V..V?)> flags:
           overridden:
             UNBOUND: fun parallelStream(): java.util.stream.Stream<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (element:V!) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Collection<V!> flags:
+        FUN FAKE_OVERRIDE name:remove visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>, element:V!) returnType:Boolean flags:
           overridden:
             UNBOUND: fun remove(element: E!): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:element index:0 type:V! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:removeAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<V!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:removeAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>, elements:kotlin.collections.Collection<V!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun removeAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<V!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:removeIf visibility:public modality:OPEN <> (p0:java.util.function.Predicate<in V!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:removeIf visibility:public modality:OPEN <> ($this:kotlin.collections.MutableCollection<V!>, p0:java.util.function.Predicate<in V!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun removeIf(p0: java.util.function.Predicate<in E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableCollection<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.Predicate<in V!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:retainAll visibility:public modality:OPEN <> (elements:kotlin.collections.Collection<V!>) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:retainAll visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>, elements:kotlin.collections.Collection<V!>) returnType:Boolean flags:
           overridden:
             UNBOUND: fun retainAll(elements: kotlin.collections.Collection<E!>): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:elements index:0 type:kotlin.collections.Collection<V!> flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:stream visibility:public modality:OPEN <> () returnType:Stream<(V..V?)> flags:
+        FUN FAKE_OVERRIDE name:stream visibility:public modality:OPEN <> ($this:kotlin.collections.Collection<V!>) returnType:Stream<(V..V?)> flags:
           overridden:
             UNBOUND: fun stream(): java.util.stream.Stream<E!>
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toArray visibility:public modality:OPEN <> () returnType:(kotlin.Array<(kotlin.Any..kotlin.Any?)>..kotlin.Array<out (kotlin.Any..kotlin.Any?)>?) flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Collection<V!> flags:
+        FUN FAKE_OVERRIDE name:toArray visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>) returnType:(kotlin.Array<(kotlin.Any..kotlin.Any?)>..kotlin.Array<out (kotlin.Any..kotlin.Any?)>?) flags:
           overridden:
             UNBOUND: fun toArray(): kotlin.Array<(out) kotlin.Any!>!
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:java.util.AbstractCollection<V!>) returnType:String flags:
           overridden:
             UNBOUND: fun toString(): kotlin.String
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractCollection<V!> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:MAX_ARRAY_SIZE type:kotlin.Int visibility:invisible_fake modality:FINAL flags:constmval
           FIELD IR_EXTERNAL_DECLARATION_STUB name:MAX_ARRAY_SIZE type:kotlin.Int visibility:invisible_fake
-        FUN IR_EXTERNAL_DECLARATION_STUB name:finishToArray visibility:invisible_fake modality:OPEN <T> (p0:kotlin.Array<(out) T!>!, p1:kotlin.collections.(Mutable)Iterator<*>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
+        FUN FAKE_OVERRIDE name:finishToArray visibility:invisible_fake modality:OPEN <T> (p0:kotlin.Array<(out) T!>!, p1:kotlin.collections.(Mutable)Iterator<*>!) returnType:(kotlin.Array<(T..T?)>..kotlin.Array<out (T..T?)>?) flags:
           overridden:
             UNBOUND: fun <T : kotlin.Any!> finishToArray(p0: kotlin.Array<(out) T!>!, p1: kotlin.collections.(Mutable)Iterator<*>!): kotlin.Array<(out) T!>!
           TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:T index:0 variance: upperBounds:[kotlin.Any!]
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Array<(out) T!>! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.collections.(Mutable)Iterator<*>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hugeCapacity visibility:invisible_fake modality:OPEN <> (p0:kotlin.Int) returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hugeCapacity visibility:invisible_fake modality:OPEN <> (p0:kotlin.Int) returnType:Int flags:
           overridden:
             UNBOUND: fun hugeCapacity(p0: kotlin.Int): kotlin.Int
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
@@ -1792,6 +2155,7 @@ MODULE_FRAGMENT name:<dependencies of test-module>
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:threshold type:kotlin.Int visibility:public/*package*/ modality:FINAL flags:var
         FIELD IR_EXTERNAL_DECLARATION_STUB name:threshold type:kotlin.Int visibility:public/*package*/
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:HashMapSpliterator modality:OPEN visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.HashMapSpliterator<K, V> flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
         TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:K index:0 variance: upperBounds:[kotlin.Any!]
@@ -1802,18 +2166,23 @@ MODULE_FRAGMENT name:<dependencies of test-module>
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:kotlin.Int flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:kotlin.Int flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p4 index:4 type:kotlin.Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:estimateSize visibility:public modality:FINAL <> () returnType:Long flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:estimateSize visibility:public modality:FINAL <> ($this:java.util.HashMap.HashMapSpliterator<K, V>) returnType:Long flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.HashMapSpliterator<K, V> flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:getFence visibility:public/*package*/ modality:FINAL <> () returnType:Int flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:getFence visibility:public/*package*/ modality:FINAL <> ($this:java.util.HashMap.HashMapSpliterator<K, V>) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.HashMapSpliterator<K, V> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:map type:java.util.HashMap<K!, V!>! visibility:public/*package*/ modality:FINAL flags:val
           FIELD IR_EXTERNAL_DECLARATION_STUB name:map type:java.util.HashMap<K!, V!>! visibility:public/*package*/
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:current type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/ modality:FINAL flags:var
@@ -1827,6 +2196,7 @@ MODULE_FRAGMENT name:<dependencies of test-module>
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:index type:kotlin.Int visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:index type:kotlin.Int visibility:public/*package*/
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Node modality:OPEN visibility:public/*package*/ flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K, V> flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB INTERFACE name:MutableEntry modality:ABSTRACT visibility:public flags:
         TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:K index:0 variance: upperBounds:[kotlin.Any!]
@@ -1836,28 +2206,34 @@ MODULE_FRAGMENT name:<dependencies of test-module>
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:K! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:V! flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:java.util.HashMap.Node<K!, V!>! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K, V>, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K, V>) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:FINAL <> (newValue:V!) returnType:(V..V?) flags:
+            FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K, V>, newValue:V!) returnType:(V..V?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:ABSTRACT <> (newValue:V) returnType:V flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap.MutableEntry<K, V>, newValue:V) returnType:V flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:newValue index:0 type:V! flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:FINAL <> () returnType:String flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K, V>) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K, V> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:key type:K! visibility:public modality:FINAL flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:FINAL <> () returnType:(K..K?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K, V>) returnType:(K..K?) flags:
             overridden:
-              FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:ABSTRACT <> () returnType:K flags:
+              FUN FAKE_OVERRIDE name:<get-key> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map.Entry<K, V>) returnType:K flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K, V> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:value type:V! visibility:public modality:FINAL flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:FINAL <> () returnType:(V..V?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:FINAL <> ($this:java.util.HashMap.Node<K, V>) returnType:(V..V?) flags:
             overridden:
-              FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:ABSTRACT <> () returnType:V flags:
+              FUN FAKE_OVERRIDE name:<get-value> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map.Entry<K, V>) returnType:V flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap.Node<K, V> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:hash type:kotlin.Int visibility:public/*package*/ modality:FINAL flags:val
           FIELD IR_EXTERNAL_DECLARATION_STUB name:hash type:kotlin.Int visibility:public/*package*/
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:key type:K! visibility:public/*package*/ modality:FINAL flags:val
@@ -1866,32 +2242,41 @@ MODULE_FRAGMENT name:<dependencies of test-module>
           FIELD IR_EXTERNAL_DECLARATION_STUB name:next type:java.util.HashMap.Node<K!, V!>! visibility:public/*package*/
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:value type:V! visibility:public/*package*/ modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:value type:V! visibility:public/*package*/
-      FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeAccess visibility:public/*package*/ modality:OPEN <> (p0:java.util.HashMap.Node<K!, V!>!) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeAccess visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.util.HashMap.Node<K!, V!>!) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.HashMap.Node<K!, V!>! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeInsertion visibility:public/*package*/ modality:OPEN <> (p0:kotlin.Boolean) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeInsertion visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:kotlin.Boolean) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Boolean flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeRemoval visibility:public/*package*/ modality:OPEN <> (p0:java.util.HashMap.Node<K!, V!>!) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:afterNodeRemoval visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.util.HashMap.Node<K!, V!>!) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.HashMap.Node<K!, V!>! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:internalWriteEntries visibility:public/*package*/ modality:OPEN <> (p0:java.io.ObjectOutputStream!) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:internalWriteEntries visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.io.ObjectOutputStream!) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.io.ObjectOutputStream! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:newNode visibility:public/*package*/ modality:OPEN <> (p0:kotlin.Int, p1:K!, p2:V!, p3:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:newNode visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:kotlin.Int, p1:K!, p2:V!, p3:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:K! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:V! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:java.util.HashMap.Node<K!, V!>! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:newTreeNode visibility:public/*package*/ modality:OPEN <> (p0:kotlin.Int, p1:K!, p2:V!, p3:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:newTreeNode visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:kotlin.Int, p1:K!, p2:V!, p3:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:K! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:V! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p3 index:3 type:java.util.HashMap.Node<K!, V!>! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:reinitialize visibility:public/*package*/ modality:OPEN <> () returnType:Unit flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replacementNode visibility:public/*package*/ modality:OPEN <> (p0:java.util.HashMap.Node<K!, V!>!, p1:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:reinitialize visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:replacementNode visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.util.HashMap.Node<K!, V!>!, p1:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.Node<(K..K?), (V..V?)>..java.util.HashMap.Node<(K..K?), (V..V?)>?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.HashMap.Node<K!, V!>! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.HashMap.Node<K!, V!>! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replacementTreeNode visibility:public/*package*/ modality:OPEN <> (p0:java.util.HashMap.Node<K!, V!>!, p1:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:replacementTreeNode visibility:public/*package*/ modality:OPEN <> ($this:java.util.HashMap<K, V>, p0:java.util.HashMap.Node<K!, V!>!, p1:java.util.HashMap.Node<K!, V!>!) returnType:(java.util.HashMap.TreeNode<(K..K?), (V..V?)>..java.util.HashMap.TreeNode<(K..K?), (V..V?)>?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.HashMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.HashMap.Node<K!, V!>! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.HashMap.Node<K!, V!>! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:eq visibility:invisible_fake modality:OPEN <> (p0:kotlin.Any!, p1:kotlin.Any!) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:eq visibility:invisible_fake modality:OPEN <> (p0:kotlin.Any!, p1:kotlin.Any!) returnType:Boolean flags:
         overridden:
           FUN IR_EXTERNAL_DECLARATION_STUB name:eq visibility:private modality:OPEN <> (p0:kotlin.Any!, p1:kotlin.Any!) returnType:Boolean flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:kotlin.Any! flags:
@@ -1921,27 +2306,33 @@ MODULE_FRAGMENT name:<dependencies of test-module>
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Any! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:kotlin.Any! flags:
     CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:AbstractMap modality:ABSTRACT visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
       superClasses:
         CLASS IR_EXTERNAL_DECLARATION_STUB INTERFACE name:MutableMap modality:ABSTRACT visibility:public flags:
       TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:K index:0 variance: upperBounds:[kotlin.Any!]
       TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:V index:1 variance: upperBounds:[kotlin.Any!]
       CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:protected/*protected and package*/ <> () returnType:java.util.AbstractMap<K, V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> (key:K!, defaultValue:V!) returnType:(V..V?) flags:
+      FUN FAKE_OVERRIDE name:getOrDefault visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K!, V!>, key:K!, defaultValue:V!) returnType:(V..V?) flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> (key:K, defaultValue:V) returnType:V flags:
+          FUN FAKE_OVERRIDE name:getOrDefault visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K, V>, key:K, defaultValue:V) returnType:V flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:defaultValue index:1 type:V! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (key:K!, value:V!) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:remove visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, key:K!, value:V!) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (key:K, value:V) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, key:K, value:V) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:1 type:V! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected/*protected and package*/ modality:OPEN <> () returnType:(kotlin.Any..kotlin.Any?) flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected/*protected and package*/ modality:OPEN <> ($this:java.util.AbstractMap<K, V>) returnType:(kotlin.Any..kotlin.Any?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:entries type:kotlin.collections.MutableSet<kotlin.collections.MutableMap.MutableEntry<K!, V!>> visibility:public modality:ABSTRACT flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> () returnType:(kotlin.collections.MutableSet<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>..kotlin.collections.Set<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> ($this:java.util.AbstractMap<K, V>) returnType:(kotlin.collections.MutableSet<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>..kotlin.collections.Set<(kotlin.collections.MutableMap.MutableEntry<(K..K?), (V..V?)>..kotlin.collections.Map.Entry<(K..K?), (V..V?)>?)>?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> () returnType:MutableSet<MutableEntry<K, V>> flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:MutableSet<MutableEntry<K, V>> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:SimpleEntry modality:OPEN visibility:public flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap.SimpleEntry<K, V> flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB INTERFACE name:MutableEntry modality:ABSTRACT visibility:public flags:
           UNBOUND: interface Serializable
@@ -1956,34 +2347,41 @@ MODULE_FRAGMENT name:<dependencies of test-module>
           FIELD IR_EXTERNAL_DECLARATION_STUB name:key type:K! visibility:private
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:value type:V! visibility:private modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:value type:V! visibility:private
-        FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:OPEN <> (newValue:V!) returnType:(V..V?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:OPEN <> ($this:java.util.AbstractMap.SimpleEntry<K, V>, newValue:V!) returnType:(V..V?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:ABSTRACT <> (newValue:V) returnType:V flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap.MutableEntry<K, V>, newValue:V) returnType:V flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap.SimpleEntry<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:newValue index:0 type:V! flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:key type:K! visibility:public modality:OPEN flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:OPEN <> () returnType:(K..K?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:OPEN <> ($this:java.util.AbstractMap.SimpleEntry<K, V>) returnType:(K..K?) flags:
             overridden:
-              FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:ABSTRACT <> () returnType:K flags:
+              FUN FAKE_OVERRIDE name:<get-key> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map.Entry<K, V>) returnType:K flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap.SimpleEntry<K, V> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:value type:V! visibility:public modality:OPEN flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:OPEN <> () returnType:(V..V?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:OPEN <> ($this:java.util.AbstractMap.SimpleEntry<K, V>) returnType:(V..V?) flags:
             overridden:
-              FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:ABSTRACT <> () returnType:V flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+              FUN FAKE_OVERRIDE name:<get-value> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map.Entry<K, V>) returnType:V flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap.SimpleEntry<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:java.util.AbstractMap.SimpleEntry<K, V>, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap.SimpleEntry<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:java.util.AbstractMap.SimpleEntry<K, V>) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+            FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap.SimpleEntry<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:java.util.AbstractMap.SimpleEntry<K, V>) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
             UNBOUND: fun toString(): kotlin.String
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap.SimpleEntry<K, V> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:serialVersionUID type:kotlin.Long visibility:private modality:FINAL flags:constmval
           FIELD IR_EXTERNAL_DECLARATION_STUB name:serialVersionUID type:kotlin.Long visibility:private
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:SimpleImmutableEntry modality:OPEN visibility:public flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap.SimpleImmutableEntry<K, V> flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB INTERFACE name:MutableEntry modality:ABSTRACT visibility:public flags:
           UNBOUND: interface Serializable
@@ -1998,131 +2396,160 @@ MODULE_FRAGMENT name:<dependencies of test-module>
           FIELD IR_EXTERNAL_DECLARATION_STUB name:key type:K! visibility:private
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:value type:V! visibility:private modality:FINAL flags:val
           FIELD IR_EXTERNAL_DECLARATION_STUB name:value type:V! visibility:private
-        FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:OPEN <> (newValue:V!) returnType:(V..V?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:OPEN <> ($this:java.util.AbstractMap.SimpleImmutableEntry<K, V>, newValue:V!) returnType:(V..V?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:ABSTRACT <> (newValue:V) returnType:V flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap.MutableEntry<K, V>, newValue:V) returnType:V flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap.SimpleImmutableEntry<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:newValue index:0 type:V! flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:key type:K! visibility:public modality:OPEN flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:OPEN <> () returnType:(K..K?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:OPEN <> ($this:java.util.AbstractMap.SimpleImmutableEntry<K, V>) returnType:(K..K?) flags:
             overridden:
-              FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:ABSTRACT <> () returnType:K flags:
+              FUN FAKE_OVERRIDE name:<get-key> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map.Entry<K, V>) returnType:K flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap.SimpleImmutableEntry<K, V> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:value type:V! visibility:public modality:OPEN flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:OPEN <> () returnType:(V..V?) flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:OPEN <> ($this:java.util.AbstractMap.SimpleImmutableEntry<K, V>) returnType:(V..V?) flags:
             overridden:
-              FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:ABSTRACT <> () returnType:V flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+              FUN FAKE_OVERRIDE name:<get-value> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map.Entry<K, V>) returnType:V flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap.SimpleImmutableEntry<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:java.util.AbstractMap.SimpleImmutableEntry<K, V>, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
             UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap.SimpleImmutableEntry<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:java.util.AbstractMap.SimpleImmutableEntry<K, V>) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+            FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap.SimpleImmutableEntry<K, V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:java.util.AbstractMap.SimpleImmutableEntry<K, V>) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
             UNBOUND: fun toString(): kotlin.String
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap.SimpleImmutableEntry<K, V> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:serialVersionUID type:kotlin.Long visibility:private modality:FINAL flags:constmval
           FIELD IR_EXTERNAL_DECLARATION_STUB name:serialVersionUID type:kotlin.Long visibility:private
-      FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> (p0:K!, p1:java.util.function.BiFunction<in K!, in V?, out V?>) returnType:V? flags:
+      FUN FAKE_OVERRIDE name:compute visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, p0:K!, p1:java.util.function.BiFunction<in K!, in V?, out V?>) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> (p0:K, p1:java.util.function.BiFunction<in K, in V?, out V?>) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:java.util.function.BiFunction<in K, in V?, out V?>) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.function.BiFunction<in K!, in V?, out V?> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> (p0:K!, p1:java.util.function.Function<in K!, out V!>) returnType:(V..V?) flags:
+      FUN FAKE_OVERRIDE name:computeIfAbsent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, p0:K!, p1:java.util.function.Function<in K!, out V!>) returnType:(V..V?) flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> (p0:K, p1:java.util.function.Function<in K, out V>) returnType:V flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:java.util.function.Function<in K, out V>) returnType:V flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.function.Function<in K!, out V!> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> (p0:K!, p1:java.util.function.BiFunction<in K!, in V, out V?>) returnType:V? flags:
+      FUN FAKE_OVERRIDE name:computeIfPresent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, p0:K!, p1:java.util.function.BiFunction<in K!, in V, out V?>) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> (p0:K, p1:java.util.function.BiFunction<in K, in V, out V?>) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:java.util.function.BiFunction<in K, in V, out V?>) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.function.BiFunction<in K!, in V, out V?> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> (p0:java.util.function.BiConsumer<in K!, in V!>) returnType:Unit flags:
+      FUN FAKE_OVERRIDE name:forEach visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K!, V!>, p0:java.util.function.BiConsumer<in K!, in V!>) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> (p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
+          FUN FAKE_OVERRIDE name:forEach visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K, V>, p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.BiConsumer<in K!, in V!> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> (p0:K!, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
+      FUN FAKE_OVERRIDE name:merge visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, p0:K!, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> (p0:K, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:java.util.function.BiFunction<in V, in V, out V?> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> (p0:K!, p1:V!) returnType:V? flags:
+      FUN FAKE_OVERRIDE name:putIfAbsent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, p0:K!, p1:V!) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> (p0:K, p1:V) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K!, p1:V!) returnType:V? flags:
+      FUN FAKE_OVERRIDE name:replace visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, p0:K!, p1:V!) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K, p1:V) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K!, p1:V!, p2:V!) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:replace visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, p0:K!, p1:V!, p2:V!) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K, p1:V, p2:V) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V, p2:V) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:V! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> (p0:java.util.function.BiFunction<in K!, in V!, out V!>) returnType:Unit flags:
+      FUN FAKE_OVERRIDE name:replaceAll visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K!, V!>, p0:java.util.function.BiFunction<in K!, in V!, out V!>) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> (p0:java.util.function.BiFunction<in K, in V, out V>) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:java.util.function.BiFunction<in K, in V, out V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K!, V!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.BiFunction<in K!, in V!, out V!> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:OPEN <> () returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:ABSTRACT <> () returnType:Unit flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:OPEN <> (key:K!) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>, key:K!) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:ABSTRACT <> (key:K) returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:containsKey visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, key:K) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:OPEN <> (value:V!) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>, value:V!) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:ABSTRACT <> (value:V) returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:containsValue visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, value:V) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:0 type:V! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:OPEN <> (key:K!) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>, key:K!) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:ABSTRACT <> (key:K) returnType:V? flags:
+          FUN FAKE_OVERRIDE name:get visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, key:K) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:OPEN <> () returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:ABSTRACT <> () returnType:Boolean flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:OPEN <> (key:K!, value:V!) returnType:V? flags:
+          FUN FAKE_OVERRIDE name:isEmpty visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>, key:K!, value:V!) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:ABSTRACT <> (key:K, value:V) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>, key:K, value:V) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K! flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:1 type:V! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:OPEN <> (from:kotlin.collections.Map<out K!, V!>) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>, from:kotlin.collections.Map<out K!, V!>) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:ABSTRACT <> (from:kotlin.collections.Map<out K, V>) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>, from:kotlin.collections.Map<out K, V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:from index:0 type:kotlin.collections.Map<out K!, V!> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (key:K!) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>, key:K!) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:ABSTRACT <> (key:K) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>, key:K) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:keys type:kotlin.collections.MutableSet<K!> visibility:public modality:OPEN flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:OPEN <> () returnType:(kotlin.collections.MutableSet<(K..K?)>..kotlin.collections.Set<(K..K?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>) returnType:(kotlin.collections.MutableSet<(K..K?)>..kotlin.collections.Set<(K..K?)>?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:ABSTRACT <> () returnType:MutableSet<K> flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:MutableSet<K> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:size type:kotlin.Int visibility:public modality:OPEN flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:ABSTRACT <> () returnType:Int flags:
+            FUN FAKE_OVERRIDE name:<get-size> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:values type:kotlin.collections.MutableCollection<V!> visibility:public modality:OPEN flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:OPEN <> () returnType:(kotlin.collections.MutableCollection<(V..V?)>..kotlin.collections.Collection<(V..V?)>?) flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:OPEN <> ($this:java.util.AbstractMap<K, V>) returnType:(kotlin.collections.MutableCollection<(V..V?)>..kotlin.collections.Collection<(V..V?)>?) flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:ABSTRACT <> () returnType:MutableCollection<V> flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:MutableCollection<V> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:java.util.AbstractMap<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:keySet type:kotlin.collections.(Mutable)Set<K!>! visibility:public/*package*/ modality:FINAL flags:var
         FIELD IR_EXTERNAL_DECLARATION_STUB name:keySet type:kotlin.collections.(Mutable)Set<K!>! visibility:public/*package*/
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:values type:kotlin.collections.(Mutable)Collection<V!>! visibility:public/*package*/ modality:FINAL flags:var
@@ -2132,175 +2559,229 @@ MODULE_FRAGMENT name:<dependencies of test-module>
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:kotlin.Any! flags:
   EXTERNAL_PACKAGE_FRAGMENT fqName:kotlin.collections
     CLASS IR_EXTERNAL_DECLARATION_STUB INTERFACE name:Map modality:ABSTRACT visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
       superClasses:
         UNBOUND: class Any
       TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:K index:0 variance: upperBounds:[kotlin.Any?]
       TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:V index:1 variance:out upperBounds:[kotlin.Any?]
-      FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> (key:K, defaultValue:@kotlin.UnsafeVariance V) returnType:V flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K, V>, key:K, defaultValue:@kotlin.UnsafeVariance V) returnType:V flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:defaultValue index:1 type:@kotlin.UnsafeVariance V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:ABSTRACT <> (key:K) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, key:K) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:ABSTRACT <> (value:@kotlin.UnsafeVariance V) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, value:@kotlin.UnsafeVariance V) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:0 type:@kotlin.UnsafeVariance V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:ABSTRACT <> () returnType:Boolean flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:ABSTRACT <> (key:K) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, key:K) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:entries type:kotlin.collections.Set<kotlin.collections.Map.Entry<K, V>> visibility:public modality:ABSTRACT flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> () returnType:Set<Entry<K, V>> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Set<Entry<K, V>> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:keys type:kotlin.collections.Set<K> visibility:public modality:ABSTRACT flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:ABSTRACT <> () returnType:Set<K> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Set<K> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:size type:kotlin.Int visibility:public modality:ABSTRACT flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:ABSTRACT <> () returnType:Int flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:values type:kotlin.collections.Collection<V> visibility:public modality:ABSTRACT flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:ABSTRACT <> () returnType:Collection<V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Collection<V> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
       CLASS IR_EXTERNAL_DECLARATION_STUB INTERFACE name:Entry modality:ABSTRACT visibility:public flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map.Entry<K, V> flags:
         superClasses:
           UNBOUND: class Any
         TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:K index:0 variance:out upperBounds:[kotlin.Any?]
         TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:V index:1 variance:out upperBounds:[kotlin.Any?]
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:key type:K visibility:public modality:ABSTRACT flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:ABSTRACT <> () returnType:K flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map.Entry<K, V>) returnType:K flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map.Entry<K, V> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:value type:V visibility:public modality:ABSTRACT flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:ABSTRACT <> () returnType:V flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map.Entry<K, V>) returnType:V flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map.Entry<K, V> flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
             UNBOUND: operator fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
             UNBOUND: fun toString(): kotlin.String
-      FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> (p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K, V>, p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.BiConsumer<in K, in V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
           UNBOUND: operator fun equals(other: kotlin.Any?): kotlin.Boolean
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+      FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
           UNBOUND: fun hashCode(): kotlin.Int
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
           UNBOUND: fun toString(): kotlin.String
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
     CLASS IR_EXTERNAL_DECLARATION_STUB INTERFACE name:MutableMap modality:ABSTRACT visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
       superClasses:
         CLASS IR_EXTERNAL_DECLARATION_STUB INTERFACE name:Map modality:ABSTRACT visibility:public flags:
       TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:K index:0 variance: upperBounds:[kotlin.Any?]
       TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:V index:1 variance: upperBounds:[kotlin.Any?]
-      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> (key:K, value:V) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, key:K, value:V) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> (key:K, defaultValue:V) returnType:V flags:
+      FUN FAKE_OVERRIDE name:getOrDefault visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K, V>, key:K, defaultValue:V) returnType:V flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> (key:K, defaultValue:@kotlin.UnsafeVariance V) returnType:V flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:getOrDefault visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K, V>, key:K, defaultValue:@kotlin.UnsafeVariance V) returnType:V flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:defaultValue index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:ABSTRACT <> () returnType:Unit flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:ABSTRACT <> (key:K, value:V) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:clear visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:put visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>, key:K, value:V) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:ABSTRACT <> (from:kotlin.collections.Map<out K, V>) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:putAll visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>, from:kotlin.collections.Map<out K, V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:from index:0 type:kotlin.collections.Map<out K, V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:ABSTRACT <> (key:K) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:remove visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>, key:K) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:ABSTRACT <> (key:K) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:containsKey visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, key:K) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:ABSTRACT <> (key:K) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:containsKey visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, key:K) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:ABSTRACT <> (value:V) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:containsValue visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, value:V) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:ABSTRACT <> (value:@kotlin.UnsafeVariance V) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:containsValue visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, value:@kotlin.UnsafeVariance V) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:0 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:ABSTRACT <> (key:K) returnType:V? flags:
+      FUN FAKE_OVERRIDE name:get visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, key:K) returnType:V? flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:ABSTRACT <> (key:K) returnType:V? flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:get visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>, key:K) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:key index:0 type:K flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:ABSTRACT <> () returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:isEmpty visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:ABSTRACT <> () returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:isEmpty visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:size type:kotlin.Int visibility:public modality:ABSTRACT flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:ABSTRACT <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:<get-size> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:ABSTRACT <> () returnType:Int flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-size> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:entries type:kotlin.collections.MutableSet<kotlin.collections.MutableMap.MutableEntry<K, V>> visibility:public modality:ABSTRACT flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> () returnType:MutableSet<MutableEntry<K, V>> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:MutableSet<MutableEntry<K, V>> flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> () returnType:Set<Entry<K, V>> flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-entries> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Set<Entry<K, V>> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:keys type:kotlin.collections.MutableSet<K> visibility:public modality:ABSTRACT flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:ABSTRACT <> () returnType:MutableSet<K> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:MutableSet<K> flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:ABSTRACT <> () returnType:Set<K> flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-keys> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Set<K> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:values type:kotlin.collections.MutableCollection<V> visibility:public modality:ABSTRACT flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:ABSTRACT <> () returnType:MutableCollection<V> flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap<K, V>) returnType:MutableCollection<V> flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:ABSTRACT <> () returnType:Collection<V> flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:<get-values> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map<K, V>) returnType:Collection<V> flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
       CLASS IR_EXTERNAL_DECLARATION_STUB INTERFACE name:MutableEntry modality:ABSTRACT visibility:public flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap.MutableEntry<K, V> flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB INTERFACE name:Entry modality:ABSTRACT visibility:public flags:
         TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:K index:0 variance: upperBounds:[kotlin.Any?]
         TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:V index:1 variance: upperBounds:[kotlin.Any?]
-        FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:ABSTRACT <> (newValue:V) returnType:V flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:setValue visibility:public modality:ABSTRACT <> ($this:kotlin.collections.MutableMap.MutableEntry<K, V>, newValue:V) returnType:V flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap.MutableEntry<K, V> flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:newValue index:0 type:V flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:key type:K visibility:public modality:ABSTRACT flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:ABSTRACT <> () returnType:K flags:
+          FUN FAKE_OVERRIDE name:<get-key> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map.Entry<K, V>) returnType:K flags:
             overridden:
-              FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:ABSTRACT <> () returnType:K flags:
+              FUN IR_EXTERNAL_DECLARATION_STUB name:<get-key> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map.Entry<K, V>) returnType:K flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map.Entry<K, V> flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:value type:V visibility:public modality:ABSTRACT flags:val
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:ABSTRACT <> () returnType:V flags:
+          FUN FAKE_OVERRIDE name:<get-value> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map.Entry<K, V>) returnType:V flags:
             overridden:
-              FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:ABSTRACT <> () returnType:V flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+              FUN IR_EXTERNAL_DECLARATION_STUB name:<get-value> visibility:public modality:ABSTRACT <> ($this:kotlin.collections.Map.Entry<K, V>) returnType:V flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map.Entry<K, V> flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> (p0:K, p1:java.util.function.BiFunction<in K, in V?, out V?>) returnType:V? flags:
+            FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:compute visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:java.util.function.BiFunction<in K, in V?, out V?>) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.function.BiFunction<in K, in V?, out V?> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> (p0:K, p1:java.util.function.Function<in K, out V>) returnType:V flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfAbsent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:java.util.function.Function<in K, out V>) returnType:V flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.function.Function<in K, out V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> (p0:K, p1:java.util.function.BiFunction<in K, in V, out V?>) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:computeIfPresent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:java.util.function.BiFunction<in K, in V, out V?>) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:java.util.function.BiFunction<in K, in V, out V?> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> (p0:K, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:merge visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V, p2:java.util.function.BiFunction<in V, in V, out V?>) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:java.util.function.BiFunction<in V, in V, out V?> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> (p0:K, p1:V) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:putIfAbsent visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K, p1:V) returnType:V? flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V) returnType:V? flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> (p0:K, p1:V, p2:V) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:replace visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:K, p1:V, p2:V) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:K flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p1 index:1 type:V flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p2 index:2 type:V flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> (p0:java.util.function.BiFunction<in K, in V, out V>) returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:replaceAll visibility:public modality:OPEN <> ($this:kotlin.collections.MutableMap<K, V>, p0:java.util.function.BiFunction<in K, in V, out V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.MutableMap<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.BiFunction<in K, in V, out V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> (p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
+      FUN FAKE_OVERRIDE name:forEach visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K, V>, p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> (p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:forEach visibility:public modality:OPEN <> ($this:kotlin.collections.Map<K, V>, p0:java.util.function.BiConsumer<in K, in V>) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.collections.Map<K, V> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:p0 index:0 type:java.util.function.BiConsumer<in K, in V> flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+      FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
   EXTERNAL_PACKAGE_FRAGMENT fqName:kotlin.collections
     FUN IR_EXTERNAL_DECLARATION_STUB name:mapOf visibility:public modality:FINAL <K, V> (pair:kotlin.Pair<K, V>) returnType:Map<K, V> flags:
       TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:K index:0 variance: upperBounds:[kotlin.Any?]
@@ -2308,6 +2789,7 @@ MODULE_FRAGMENT name:<dependencies of test-module>
       VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:pair index:0 type:kotlin.Pair<K, V> flags:
   EXTERNAL_PACKAGE_FRAGMENT fqName:kotlin
     CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Pair modality:FINAL visibility:public flags:data
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Pair<A, B> flags:
       superClasses:
         UNBOUND: interface Serializable
       TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:A index:0 variance:out upperBounds:[kotlin.Any?]
@@ -2315,29 +2797,38 @@ MODULE_FRAGMENT name:<dependencies of test-module>
       CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> (first:A, second:B) returnType:kotlin.Pair<A, B> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:first index:0 type:A flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:second index:1 type:B flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:copy visibility:public modality:FINAL <> (first:A, second:B) returnType:Pair<A, B> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:copy visibility:public modality:FINAL <> ($this:kotlin.Pair<A, B>, first:A, second:B) returnType:Pair<A, B> flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Pair<A, B> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:first index:0 type:A flags:
           EXPRESSION_BODY
             ERROR_EXPR 'Stub expression for default value of first' type=A
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:second index:1 type:B flags:
           EXPRESSION_BODY
             ERROR_EXPR 'Stub expression for default value of second' type=B
-      FUN IR_EXTERNAL_DECLARATION_STUB name:component1 visibility:public modality:FINAL <> () returnType:A flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:component2 visibility:public modality:FINAL <> () returnType:B flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:component1 visibility:public modality:FINAL <> ($this:kotlin.Pair<A, B>) returnType:A flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Pair<A, B> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:component2 visibility:public modality:FINAL <> ($this:kotlin.Pair<A, B>) returnType:B flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Pair<A, B> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:first type:A visibility:public modality:FINAL flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-first> visibility:public modality:FINAL <> () returnType:A flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-first> visibility:public modality:FINAL <> ($this:kotlin.Pair<A, B>) returnType:A flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Pair<A, B> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:second type:B visibility:public modality:FINAL flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-second> visibility:public modality:FINAL <> () returnType:B flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-second> visibility:public modality:FINAL <> ($this:kotlin.Pair<A, B>) returnType:B flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Pair<A, B> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Pair<A, B>, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
           UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Pair<A, B> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Pair<A, B>) returnType:Int flags:
         overridden:
           UNBOUND: fun hashCode(): kotlin.Int
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Pair<A, B> flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Pair<A, B>) returnType:String flags:
         overridden:
           UNBOUND: fun toString(): kotlin.String
-    FUN IR_EXTERNAL_DECLARATION_STUB name:apply visibility:public modality:FINAL <T> (block:T.() -> kotlin.Unit) returnType:T flags:inline
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Pair<A, B> flags:
+    FUN IR_EXTERNAL_DECLARATION_STUB name:apply visibility:public modality:FINAL <T> ($receiver:T, block:T.() -> kotlin.Unit) returnType:T flags:inline
       TYPE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:T index:0 variance: upperBounds:[kotlin.Any?]
+      $receiver: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:T flags:
       VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:block index:0 type:T.() -> kotlin.Unit flags:
diff --git a/compiler/testData/ir/irText/stubs/javaEnum__testmodule.txt b/compiler/testData/ir/irText/stubs/javaEnum__testmodule.txt
index 896447d02cf..f61aba476fa 100644
--- a/compiler/testData/ir/irText/stubs/javaEnum__testmodule.txt
+++ b/compiler/testData/ir/irText/stubs/javaEnum__testmodule.txt
@@ -1,43 +1,53 @@
 MODULE_FRAGMENT name:<test-module>
   EXTERNAL_PACKAGE_FRAGMENT fqName:<root>
     CLASS IR_EXTERNAL_DECLARATION_STUB ENUM_CLASS name:JEnum modality:FINAL visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:JEnum flags:
       superClasses:
         UNBOUND: class Enum<E : kotlin.Enum<E>> : kotlin.Comparable<E>, java.io.Serializable
       CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> () returnType:JEnum flags:
       ENUM_ENTRY IR_EXTERNAL_DECLARATION_STUB name:ONE
       ENUM_ENTRY IR_EXTERNAL_DECLARATION_STUB name:THREE
       ENUM_ENTRY IR_EXTERNAL_DECLARATION_STUB name:TWO
-      FUN IR_EXTERNAL_DECLARATION_STUB name:clone visibility:protected modality:FINAL <> () returnType:Any flags:
+      FUN FAKE_OVERRIDE name:clone visibility:protected modality:FINAL <> ($this:kotlin.Enum<JEnum!>) returnType:Any flags:
         overridden:
           UNBOUND: fun clone(): kotlin.Any
-      FUN IR_EXTERNAL_DECLARATION_STUB name:finalize visibility:protected/*protected and package*/ modality:FINAL <> () returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Enum<JEnum!> flags:
+      FUN FAKE_OVERRIDE name:finalize visibility:protected/*protected and package*/ modality:FINAL <> ($this:kotlin.Enum<JEnum!>) returnType:Unit flags:
         overridden:
           UNBOUND: fun finalize(): kotlin.Unit
-      FUN IR_EXTERNAL_DECLARATION_STUB name:getDeclaringClass visibility:public modality:FINAL <> () returnType:(java.lang.Class<(JEnum..JEnum?)>..java.lang.Class<(JEnum..JEnum?)>?) flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Enum<JEnum!> flags:
+      FUN FAKE_OVERRIDE name:getDeclaringClass visibility:public modality:FINAL <> ($this:kotlin.Enum<JEnum!>) returnType:(java.lang.Class<(JEnum..JEnum?)>..java.lang.Class<(JEnum..JEnum?)>?) flags:
         overridden:
           UNBOUND: fun getDeclaringClass(): java.lang.Class<E!>!
-      FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:JEnum!) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Enum<JEnum!> flags:
+      FUN FAKE_OVERRIDE name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Enum<JEnum!>, other:JEnum!) returnType:Int flags:
         overridden:
           UNBOUND: fun compareTo(other: E): kotlin.Int
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Enum<JEnum!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:JEnum! flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:FINAL <> (other:kotlin.Any?) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:equals visibility:public modality:FINAL <> ($this:kotlin.Enum<JEnum!>, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
           UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Enum<JEnum!> flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:FINAL <> () returnType:Int flags:
+      FUN FAKE_OVERRIDE name:hashCode visibility:public modality:FINAL <> ($this:kotlin.Enum<JEnum!>) returnType:Int flags:
         overridden:
           UNBOUND: fun hashCode(): kotlin.Int
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Enum<JEnum!> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:name type:kotlin.String visibility:public modality:FINAL flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-name> visibility:public modality:FINAL <> () returnType:String flags:
+        FUN FAKE_OVERRIDE name:<get-name> visibility:public modality:FINAL <> ($this:kotlin.Enum<JEnum!>) returnType:String flags:
           overridden:
             UNBOUND: fun <get-name>(): kotlin.String
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Enum<JEnum!> flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:ordinal type:kotlin.Int visibility:public modality:FINAL flags:val
-        FUN IR_EXTERNAL_DECLARATION_STUB name:<get-ordinal> visibility:public modality:FINAL <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:<get-ordinal> visibility:public modality:FINAL <> ($this:kotlin.Enum<JEnum!>) returnType:Int flags:
           overridden:
             UNBOUND: fun <get-ordinal>(): kotlin.Int
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Enum<JEnum!> flags:
+      FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Enum<JEnum!>) returnType:String flags:
         overridden:
           UNBOUND: fun toString(): kotlin.String
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Enum<JEnum!> flags:
       FUN IR_EXTERNAL_DECLARATION_STUB name:valueOf visibility:public modality:FINAL <> (value:kotlin.String) returnType:JEnum flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:value index:0 type:kotlin.String flags:
       FUN IR_EXTERNAL_DECLARATION_STUB name:values visibility:public modality:FINAL <> () returnType:Array<JEnum> flags:
diff --git a/compiler/testData/ir/irText/stubs/javaInnerClass.txt b/compiler/testData/ir/irText/stubs/javaInnerClass.txt
index 8fe09de830f..c205b533b3f 100644
--- a/compiler/testData/ir/irText/stubs/javaInnerClass.txt
+++ b/compiler/testData/ir/irText/stubs/javaInnerClass.txt
@@ -22,19 +22,19 @@ FILE fqName:<root> fileName:/javaInnerClass.kt
       FIELD FAKE_OVERRIDE name:x type:kotlin.Int visibility:public
     FUN FAKE_OVERRIDE name:bar visibility:public modality:OPEN <> ($this:J) returnType:Unit flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:bar visibility:public modality:OPEN <> () returnType:Unit flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:bar visibility:public modality:OPEN <> ($this:J) returnType:Unit flags:
       $this: VALUE_PARAMETER name:<this> type:J flags:
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
       VALUE_PARAMETER name:other index:0 type:kotlin.Any? flags:
     FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
     FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       overridden:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any flags:
 
diff --git a/compiler/testData/ir/irText/stubs/javaInnerClass__builtinsmodule.txt b/compiler/testData/ir/irText/stubs/javaInnerClass__builtinsmodule.txt
index 10f7a40b2fe..eda1708050e 100644
--- a/compiler/testData/ir/irText/stubs/javaInnerClass__builtinsmodule.txt
+++ b/compiler/testData/ir/irText/stubs/javaInnerClass__builtinsmodule.txt
@@ -1,8 +1,12 @@
 MODULE_FRAGMENT name:<built-ins module>
   EXTERNAL_PACKAGE_FRAGMENT fqName:kotlin
     CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
       CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> () returnType:kotlin.Any flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
diff --git a/compiler/testData/ir/irText/stubs/javaInnerClass__testmodule.txt b/compiler/testData/ir/irText/stubs/javaInnerClass__testmodule.txt
index 0356831f7b1..960694b675b 100644
--- a/compiler/testData/ir/irText/stubs/javaInnerClass__testmodule.txt
+++ b/compiler/testData/ir/irText/stubs/javaInnerClass__testmodule.txt
@@ -1,36 +1,47 @@
 MODULE_FRAGMENT name:<test-module>
   EXTERNAL_PACKAGE_FRAGMENT fqName:<root>
     CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:J modality:OPEN visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:J flags:
       superClasses:
         CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
       CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> () returnType:J flags:
       PROPERTY IR_EXTERNAL_DECLARATION_STUB name:x type:kotlin.Int visibility:public modality:FINAL flags:var
         FIELD IR_EXTERNAL_DECLARATION_STUB name:x type:kotlin.Int visibility:public
-      FUN IR_EXTERNAL_DECLARATION_STUB name:bar visibility:public modality:OPEN <> () returnType:Unit flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:bar visibility:public modality:OPEN <> ($this:J) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:J flags:
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:JInner modality:OPEN visibility:public flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:J.JInner flags:
         superClasses:
           CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
-        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> () returnType:J.JInner flags:
+        CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> ($this:J) returnType:J.JInner flags:
+          $outer: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:J flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:z type:kotlin.Int visibility:public modality:FINAL flags:var
           FIELD IR_EXTERNAL_DECLARATION_STUB name:z type:kotlin.Int visibility:public
-        FUN IR_EXTERNAL_DECLARATION_STUB name:foo visibility:public modality:OPEN <> () returnType:Unit flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:foo visibility:public modality:OPEN <> ($this:J.JInner) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:J.JInner flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
-            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+            FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+      FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
-          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
diff --git a/compiler/testData/ir/irText/stubs/javaMethod__testmodule.txt b/compiler/testData/ir/irText/stubs/javaMethod__testmodule.txt
index 589e8f33dc3..253e7d83875 100644
--- a/compiler/testData/ir/irText/stubs/javaMethod__testmodule.txt
+++ b/compiler/testData/ir/irText/stubs/javaMethod__testmodule.txt
@@ -1,17 +1,22 @@
 MODULE_FRAGMENT name:<test-module>
   EXTERNAL_PACKAGE_FRAGMENT fqName:<root>
     CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:J modality:OPEN visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:J flags:
       superClasses:
         UNBOUND: class Any
       CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> () returnType:J flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:bar visibility:public modality:OPEN <> () returnType:Unit flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:bar visibility:public modality:OPEN <> ($this:J) returnType:Unit flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:J flags:
+      FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
           UNBOUND: operator fun equals(other: kotlin.Any?): kotlin.Boolean
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+      FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
           UNBOUND: fun hashCode(): kotlin.Int
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
           UNBOUND: fun toString(): kotlin.String
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
diff --git a/compiler/testData/ir/irText/stubs/javaNestedClass__testmodule.txt b/compiler/testData/ir/irText/stubs/javaNestedClass__testmodule.txt
index 0fc4ebc8d5c..3eeb4290243 100644
--- a/compiler/testData/ir/irText/stubs/javaNestedClass__testmodule.txt
+++ b/compiler/testData/ir/irText/stubs/javaNestedClass__testmodule.txt
@@ -1,32 +1,41 @@
 MODULE_FRAGMENT name:<test-module>
   EXTERNAL_PACKAGE_FRAGMENT fqName:<root>
     CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:J modality:OPEN visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:J flags:
       superClasses:
         UNBOUND: class Any
       CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> () returnType:J flags:
       CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:JJ modality:OPEN visibility:public flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:J.JJ flags:
         superClasses:
           UNBOUND: class Any
         CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> () returnType:J.JJ flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:foo visibility:public modality:OPEN <> () returnType:Unit flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        FUN IR_EXTERNAL_DECLARATION_STUB name:foo visibility:public modality:OPEN <> ($this:J.JJ) returnType:Unit flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:J.JJ flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
             UNBOUND: operator fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
             UNBOUND: fun toString(): kotlin.String
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
         FUN IR_EXTERNAL_DECLARATION_STUB name:bar visibility:public modality:OPEN <> () returnType:Unit flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
           UNBOUND: operator fun equals(other: kotlin.Any?): kotlin.Boolean
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+      FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
           UNBOUND: fun hashCode(): kotlin.Int
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
           UNBOUND: fun toString(): kotlin.String
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
diff --git a/compiler/testData/ir/irText/stubs/javaStaticMethod__testmodule.txt b/compiler/testData/ir/irText/stubs/javaStaticMethod__testmodule.txt
index 6a6071a1da4..ecd02cb2988 100644
--- a/compiler/testData/ir/irText/stubs/javaStaticMethod__testmodule.txt
+++ b/compiler/testData/ir/irText/stubs/javaStaticMethod__testmodule.txt
@@ -1,17 +1,21 @@
 MODULE_FRAGMENT name:<test-module>
   EXTERNAL_PACKAGE_FRAGMENT fqName:<root>
     CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:J modality:OPEN visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:J flags:
       superClasses:
         UNBOUND: class Any
       CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> () returnType:J flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+      FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
           UNBOUND: operator fun equals(other: kotlin.Any?): kotlin.Boolean
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+      FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
           UNBOUND: fun hashCode(): kotlin.Int
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
           UNBOUND: fun toString(): kotlin.String
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
       FUN IR_EXTERNAL_DECLARATION_STUB name:bar visibility:public modality:OPEN <> () returnType:Unit flags:
diff --git a/compiler/testData/ir/irText/stubs/kotlinInnerClass__builtinsmodule.txt b/compiler/testData/ir/irText/stubs/kotlinInnerClass__builtinsmodule.txt
index 10f7a40b2fe..eda1708050e 100644
--- a/compiler/testData/ir/irText/stubs/kotlinInnerClass__builtinsmodule.txt
+++ b/compiler/testData/ir/irText/stubs/kotlinInnerClass__builtinsmodule.txt
@@ -1,8 +1,12 @@
 MODULE_FRAGMENT name:<built-ins module>
   EXTERNAL_PACKAGE_FRAGMENT fqName:kotlin
     CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Any modality:OPEN visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
       CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> () returnType:kotlin.Any flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
diff --git a/compiler/testData/ir/irText/stubs/simple__builtinsmodule.txt b/compiler/testData/ir/irText/stubs/simple__builtinsmodule.txt
index 59f4b0635f7..b2f0d6d1db5 100644
--- a/compiler/testData/ir/irText/stubs/simple__builtinsmodule.txt
+++ b/compiler/testData/ir/irText/stubs/simple__builtinsmodule.txt
@@ -1,171 +1,245 @@
 MODULE_FRAGMENT name:<built-ins module>
   EXTERNAL_PACKAGE_FRAGMENT fqName:kotlin
     CLASS IR_EXTERNAL_DECLARATION_STUB CLASS name:Int modality:FINAL visibility:public flags:
+      $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
       superClasses:
         UNBOUND: class Number : kotlin.Any, java.io.Serializable
         UNBOUND: interface Comparable<in T>
         UNBOUND: interface Serializable
       CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:private <> () returnType:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:mod visibility:public modality:FINAL <> (other:kotlin.Byte) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:mod visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Byte) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Byte flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:mod visibility:public modality:FINAL <> (other:kotlin.Double) returnType:Double flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:mod visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Double) returnType:Double flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Double flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:mod visibility:public modality:FINAL <> (other:kotlin.Float) returnType:Float flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:mod visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Float) returnType:Float flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Float flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:mod visibility:public modality:FINAL <> (other:kotlin.Int) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:mod visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:mod visibility:public modality:FINAL <> (other:kotlin.Long) returnType:Long flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:mod visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Long) returnType:Long flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Long flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:mod visibility:public modality:FINAL <> (other:kotlin.Short) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:mod visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Short) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Short flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:rem visibility:public modality:FINAL <> (other:kotlin.Byte) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:rem visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Byte) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Byte flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:rem visibility:public modality:FINAL <> (other:kotlin.Double) returnType:Double flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:rem visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Double) returnType:Double flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Double flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:rem visibility:public modality:FINAL <> (other:kotlin.Float) returnType:Float flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:rem visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Float) returnType:Float flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Float flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:rem visibility:public modality:FINAL <> (other:kotlin.Int) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:rem visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:rem visibility:public modality:FINAL <> (other:kotlin.Long) returnType:Long flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:rem visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Long) returnType:Long flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Long flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:rem visibility:public modality:FINAL <> (other:kotlin.Short) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:rem visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Short) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Short flags:
       CLASS IR_EXTERNAL_DECLARATION_STUB OBJECT name:Companion modality:FINAL visibility:public flags:companion
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int.Companion flags:
         superClasses:
           UNBOUND: class Any
         CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:private <> () returnType:kotlin.Int.Companion flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:MAX_VALUE type:kotlin.Int visibility:public modality:FINAL flags:constmval
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-MAX_VALUE> visibility:public modality:FINAL <> () returnType:Int flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-MAX_VALUE> visibility:public modality:FINAL <> ($this:kotlin.Int.Companion) returnType:Int flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int.Companion flags:
         PROPERTY IR_EXTERNAL_DECLARATION_STUB name:MIN_VALUE type:kotlin.Int visibility:public modality:FINAL flags:constmval
-          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-MIN_VALUE> visibility:public modality:FINAL <> () returnType:Int flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+          FUN IR_EXTERNAL_DECLARATION_STUB name:<get-MIN_VALUE> visibility:public modality:FINAL <> ($this:kotlin.Int.Companion) returnType:Int flags:
+            $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int.Companion flags:
+        FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
           overridden:
             UNBOUND: operator fun equals(other: kotlin.Any?): kotlin.Boolean
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
           VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-        FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+        FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
           overridden:
             UNBOUND: fun hashCode(): kotlin.Int
-        FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+        FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
           overridden:
             UNBOUND: fun toString(): kotlin.String
-      FUN IR_EXTERNAL_DECLARATION_STUB name:inv visibility:public modality:FINAL <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:and visibility:public modality:FINAL <> (other:kotlin.Int) returnType:Int flags:
+          $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:inv visibility:public modality:FINAL <> ($this:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:and visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:or visibility:public modality:FINAL <> (other:kotlin.Int) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:or visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:shl visibility:public modality:FINAL <> (bitCount:kotlin.Int) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:shl visibility:public modality:FINAL <> ($this:kotlin.Int, bitCount:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:bitCount index:0 type:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:shr visibility:public modality:FINAL <> (bitCount:kotlin.Int) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:shr visibility:public modality:FINAL <> ($this:kotlin.Int, bitCount:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:bitCount index:0 type:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:ushr visibility:public modality:FINAL <> (bitCount:kotlin.Int) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:ushr visibility:public modality:FINAL <> ($this:kotlin.Int, bitCount:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:bitCount index:0 type:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:xor visibility:public modality:FINAL <> (other:kotlin.Int) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:xor visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:kotlin.Byte) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Byte) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Byte flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:kotlin.Double) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Double) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Double flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:kotlin.Float) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Float) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Float flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:kotlin.Long) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Long) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Long flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> (other:kotlin.Short) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Short) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Short flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:dec visibility:public modality:FINAL <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:div visibility:public modality:FINAL <> (other:kotlin.Byte) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:dec visibility:public modality:FINAL <> ($this:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:div visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Byte) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Byte flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:div visibility:public modality:FINAL <> (other:kotlin.Double) returnType:Double flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:div visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Double) returnType:Double flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Double flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:div visibility:public modality:FINAL <> (other:kotlin.Float) returnType:Float flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:div visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Float) returnType:Float flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Float flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:div visibility:public modality:FINAL <> (other:kotlin.Int) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:div visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:div visibility:public modality:FINAL <> (other:kotlin.Long) returnType:Long flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:div visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Long) returnType:Long flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Long flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:div visibility:public modality:FINAL <> (other:kotlin.Short) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:div visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Short) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Short flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:inc visibility:public modality:FINAL <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:minus visibility:public modality:FINAL <> (other:kotlin.Byte) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:inc visibility:public modality:FINAL <> ($this:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:minus visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Byte) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Byte flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:minus visibility:public modality:FINAL <> (other:kotlin.Double) returnType:Double flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:minus visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Double) returnType:Double flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Double flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:minus visibility:public modality:FINAL <> (other:kotlin.Float) returnType:Float flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:minus visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Float) returnType:Float flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Float flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:minus visibility:public modality:FINAL <> (other:kotlin.Int) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:minus visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:minus visibility:public modality:FINAL <> (other:kotlin.Long) returnType:Long flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:minus visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Long) returnType:Long flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Long flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:minus visibility:public modality:FINAL <> (other:kotlin.Short) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:minus visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Short) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Short flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:plus visibility:public modality:FINAL <> (other:kotlin.Byte) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:plus visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Byte) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Byte flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:plus visibility:public modality:FINAL <> (other:kotlin.Double) returnType:Double flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:plus visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Double) returnType:Double flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Double flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:plus visibility:public modality:FINAL <> (other:kotlin.Float) returnType:Float flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:plus visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Float) returnType:Float flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Float flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:plus visibility:public modality:FINAL <> (other:kotlin.Int) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:plus visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:plus visibility:public modality:FINAL <> (other:kotlin.Long) returnType:Long flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:plus visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Long) returnType:Long flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Long flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:plus visibility:public modality:FINAL <> (other:kotlin.Short) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:plus visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Short) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Short flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:rangeTo visibility:public modality:FINAL <> (other:kotlin.Byte) returnType:IntRange flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:rangeTo visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Byte) returnType:IntRange flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Byte flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:rangeTo visibility:public modality:FINAL <> (other:kotlin.Int) returnType:IntRange flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:rangeTo visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Int) returnType:IntRange flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:rangeTo visibility:public modality:FINAL <> (other:kotlin.Long) returnType:LongRange flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:rangeTo visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Long) returnType:LongRange flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Long flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:rangeTo visibility:public modality:FINAL <> (other:kotlin.Short) returnType:IntRange flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:rangeTo visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Short) returnType:IntRange flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Short flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:times visibility:public modality:FINAL <> (other:kotlin.Byte) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:times visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Byte) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Byte flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:times visibility:public modality:FINAL <> (other:kotlin.Double) returnType:Double flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:times visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Double) returnType:Double flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Double flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:times visibility:public modality:FINAL <> (other:kotlin.Float) returnType:Float flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:times visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Float) returnType:Float flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Float flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:times visibility:public modality:FINAL <> (other:kotlin.Int) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:times visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:times visibility:public modality:FINAL <> (other:kotlin.Long) returnType:Long flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:times visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Long) returnType:Long flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Long flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:times visibility:public modality:FINAL <> (other:kotlin.Short) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:times visibility:public modality:FINAL <> ($this:kotlin.Int, other:kotlin.Short) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Short flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:unaryMinus visibility:public modality:FINAL <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:unaryPlus visibility:public modality:FINAL <> () returnType:Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:OPEN <> (other:kotlin.Int) returnType:Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:unaryMinus visibility:public modality:FINAL <> ($this:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:unaryPlus visibility:public modality:FINAL <> ($this:kotlin.Int) returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:compareTo visibility:public modality:OPEN <> ($this:kotlin.Int, other:kotlin.Int) returnType:Int flags:
         overridden:
           UNBOUND: operator fun compareTo(other: T): kotlin.Int
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Int flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toByte visibility:public modality:OPEN <> () returnType:Byte flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:toByte visibility:public modality:OPEN <> ($this:kotlin.Int) returnType:Byte flags:
         overridden:
           UNBOUND: fun toByte(): kotlin.Byte
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toChar visibility:public modality:OPEN <> () returnType:Char flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:toChar visibility:public modality:OPEN <> ($this:kotlin.Int) returnType:Char flags:
         overridden:
           UNBOUND: fun toChar(): kotlin.Char
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toDouble visibility:public modality:OPEN <> () returnType:Double flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:toDouble visibility:public modality:OPEN <> ($this:kotlin.Int) returnType:Double flags:
         overridden:
           UNBOUND: fun toDouble(): kotlin.Double
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toFloat visibility:public modality:OPEN <> () returnType:Float flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:toFloat visibility:public modality:OPEN <> ($this:kotlin.Int) returnType:Float flags:
         overridden:
           UNBOUND: fun toFloat(): kotlin.Float
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toInt visibility:public modality:OPEN <> () returnType:Int flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:toInt visibility:public modality:OPEN <> ($this:kotlin.Int) returnType:Int flags:
         overridden:
           UNBOUND: fun toInt(): kotlin.Int
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toLong visibility:public modality:OPEN <> () returnType:Long flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:toLong visibility:public modality:OPEN <> ($this:kotlin.Int) returnType:Long flags:
         overridden:
           UNBOUND: fun toLong(): kotlin.Long
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toShort visibility:public modality:OPEN <> () returnType:Short flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
+      FUN IR_EXTERNAL_DECLARATION_STUB name:toShort visibility:public modality:OPEN <> ($this:kotlin.Int) returnType:Short flags:
         overridden:
           UNBOUND: fun toShort(): kotlin.Short
-      FUN IR_EXTERNAL_DECLARATION_STUB name:equals visibility:public modality:OPEN <> (other:kotlin.Any?) returnType:Boolean flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Int flags:
+      FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:Boolean flags:
         overridden:
           UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
           UNBOUND: fun equals(other: kotlin.Any?): kotlin.Boolean
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
         VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:other index:0 type:kotlin.Any? flags:
-      FUN IR_EXTERNAL_DECLARATION_STUB name:hashCode visibility:public modality:OPEN <> () returnType:Int flags:
+      FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:Int flags:
         overridden:
           UNBOUND: fun hashCode(): kotlin.Int
           UNBOUND: fun hashCode(): kotlin.Int
-      FUN IR_EXTERNAL_DECLARATION_STUB name:toString visibility:public modality:OPEN <> () returnType:String flags:
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags:
+      FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:String flags:
         overridden:
           UNBOUND: fun toString(): kotlin.String
           UNBOUND: fun toString(): kotlin.String
+        $this: VALUE_PARAMETER IR_EXTERNAL_DECLARATION_STUB name:<this> type:kotlin.Any flags: