From a416cddcb2416285545d04d357c900b2c4e5978b Mon Sep 17 00:00:00 2001
From: Dmitry Petrov <dmitry.petrov@jetbrains.com>
Date: Fri, 17 Mar 2017 16:31:48 +0300
Subject: [PATCH] Generate declarations for FAKE_OVERRIDE members

---
 .../psi2ir/generators/ClassGenerator.kt       | 20 +++-
 .../psi2ir/generators/DeclarationGenerator.kt | 41 +++++++--
 .../ir/declarations/IrDeclarationOrigin.kt    |  1 +
 ...tReorderingInDelegatingConstructorCall.txt | 17 ++++
 .../ir/irText/classes/classMembers.txt        | 12 +++
 .../testData/ir/irText/classes/classes.txt    | 23 +++++
 .../ir/irText/classes/companionObject.txt     | 12 +++
 .../classes/delegatedImplementation.txt       | 18 ++++
 ...atedImplementationWithExplicitOverride.txt |  9 ++
 ...gConstructorCallToTypeAliasConstructor.txt | 13 +++
 ...onstructorCallsInSecondaryConstructors.txt |  6 ++
 compiler/testData/ir/irText/classes/enum.txt  | 92 +++++++++++++++++++
 .../irText/classes/enumWithSecondaryCtor.txt  | 59 ++++++++++++
 .../testData/ir/irText/classes/initBlock.txt  | 18 ++++
 .../testData/ir/irText/classes/initVal.txt    |  9 ++
 .../testData/ir/irText/classes/initVar.txt    | 18 ++++
 .../testData/ir/irText/classes/innerClass.txt |  9 ++
 .../innerClassWithDelegatingConstructor.txt   |  6 ++
 .../ir/irText/classes/localClasses.txt        |  3 +
 .../classes/objectLiteralExpressions.txt      | 22 +++++
 .../irText/classes/objectWithInitializers.txt |  6 ++
 .../ir/irText/classes/outerClassAccess.txt    |  9 ++
 .../ir/irText/classes/primaryConstructor.txt  |  9 ++
 ...aryConstructorWithSuperConstructorCall.txt | 12 +++
 .../ir/irText/classes/qualifiedSuperCalls.txt |  9 ++
 .../ir/irText/classes/sealedClasses.txt       | 12 +++
 ...nstructorWithInitializersFromClassBody.txt |  9 ++
 .../irText/classes/secondaryConstructors.txt  |  3 +
 .../testData/ir/irText/classes/superCalls.txt |  6 ++
 .../declarations/classLevelProperties.txt     |  3 +
 .../declarations/delegatedProperties.txt      |  3 +
 .../ir/irText/declarations/fakeOverrides.kt   | 15 +++
 .../ir/irText/declarations/fakeOverrides.txt  | 53 +++++++++++
 .../declarations/interfaceProperties.txt      |  3 +
 .../irText/declarations/parameters/class.txt  | 15 +++
 .../declarations/parameters/constructor.txt   | 15 +++
 .../parameters/defaultPropertyAccessors.txt   |  6 ++
 .../parameters/delegatedMembers.txt           |  6 ++
 .../ir/irText/declarations/parameters/fun.txt |  3 +
 .../parameters/propertyAccessors.txt          |  3 +
 .../primaryCtorDefaultArguments.txt           |  3 +
 .../declarations/primaryCtorProperties.txt    |  3 +
 .../provideDelegate/differentReceivers.txt    |  3 +
 .../declarations/provideDelegate/local.txt    |  6 ++
 .../localDifferentReceivers.txt               |  3 +
 .../declarations/provideDelegate/member.txt   |  9 ++
 .../provideDelegate/memberExtension.txt       |  6 ++
 .../declarations/provideDelegate/topLevel.txt |  6 ++
 .../ir/irText/declarations/typeAlias.txt      |  3 +
 .../irText/errors/suppressedNonPublicCall.txt |  3 +
 .../expressions/arrayAugmentedAssignment1.txt |  3 +
 .../expressions/arrayAugmentedAssignment2.txt |  6 ++
 .../ir/irText/expressions/assignments.txt     |  3 +
 .../expressions/augmentedAssignment2.txt      |  3 +
 .../augmentedAssignmentWithExpression.txt     |  3 +
 .../expressions/boundCallableReferences.txt   |  3 +
 .../irText/expressions/chainOfSafeCalls.txt   |  3 +
 .../ir/irText/expressions/classReference.txt  |  3 +
 .../complexAugmentedAssignment.txt            | 15 +++
 .../ir/irText/expressions/contructorCall.txt  |  3 +
 .../expressions/conventionComparisons.txt     |  6 ++
 .../ir/irText/expressions/destructuring1.txt  |  6 ++
 .../destructuringWithUnderscore.txt           |  6 ++
 .../expressions/forWithImplicitReceivers.txt  |  9 ++
 .../expressions/jvmInstanceFieldReference.txt |  4 +
 .../expressions/jvmStaticFieldReference.txt   |  3 +
 .../expressions/membersImportedFromObject.txt |  3 +
 .../irText/expressions/objectAsCallable.txt   | 14 +++
 .../expressions/objectClassReference.txt      |  3 +
 .../primitivesImplicitConversions.txt         |  3 +
 .../irText/expressions/reflectionLiterals.txt |  3 +
 .../ir/irText/expressions/safeAssignment.txt  |  3 +
 .../safeCallWithIncrementDecrement.txt        |  3 +
 .../ir/irText/expressions/safeCalls.txt       |  6 ++
 .../expressions/setFieldWithImplicitCast.txt  |  4 +
 .../smartCastsWithDestructuring.txt           |  6 ++
 .../ir/irText/expressions/typeOperators.txt   |  3 +
 .../testData/ir/irText/expressions/values.txt | 20 ++++
 .../testData/ir/irText/expressions/when.txt   |  3 +
 .../lambdas/multipleImplicitReceivers.txt     | 12 +++
 .../irText/regressions/integerCoercionToT.txt |  9 ++
 .../ir/irText/singletons/companion.txt        |  6 ++
 .../testData/ir/irText/singletons/object.txt  |  6 ++
 .../kotlin/ir/IrTextTestCaseGenerated.java    |  6 ++
 84 files changed, 836 insertions(+), 9 deletions(-)
 create mode 100644 compiler/testData/ir/irText/declarations/fakeOverrides.kt
 create mode 100644 compiler/testData/ir/irText/declarations/fakeOverrides.txt

diff --git a/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ClassGenerator.kt b/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ClassGenerator.kt
index 2733cddbc5b..140673258e2 100644
--- a/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ClassGenerator.kt
+++ b/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ClassGenerator.kt
@@ -35,6 +35,7 @@ import org.jetbrains.kotlin.renderer.OverrideRenderingPolicy
 import org.jetbrains.kotlin.resolve.BindingContext
 import org.jetbrains.kotlin.resolve.DescriptorUtils
 import org.jetbrains.kotlin.resolve.scopes.DescriptorKindFilter
+import org.jetbrains.kotlin.utils.addToStdlib.safeAs
 import java.lang.AssertionError
 import java.util.*
 
@@ -53,6 +54,8 @@ class ClassGenerator(declarationGenerator: DeclarationGenerator) : DeclarationGe
 
         generateMembersDeclaredInClassBody(irClass, ktClassOrObject)
 
+        generateFakeOverrideMemberDeclarations(irClass)
+
         if (descriptor.isData) {
             generateAdditionalMembersForDataClass(irClass, ktClassOrObject)
         }
@@ -64,7 +67,20 @@ class ClassGenerator(declarationGenerator: DeclarationGenerator) : DeclarationGe
         return irClass
     }
 
-    private object StableDelegatesComparator : Comparator<CallableMemberDescriptor> {
+    private fun generateFakeOverrideMemberDeclarations(irClass: IrClass) {
+        irClass.descriptor.unsubstitutedMemberScope.getContributedDescriptors()
+                .mapNotNull {
+                    it.safeAs<CallableMemberDescriptor>().takeIf {
+                        it?.kind == CallableMemberDescriptor.Kind.FAKE_OVERRIDE
+                    }
+                }
+                .sortedWith(StableCallableMembersComparator)
+                .forEach { fakeOverride ->
+                    irClass.addMember(declarationGenerator.generateFakeOverrideDeclaration(fakeOverride))
+                }
+    }
+
+    private object StableCallableMembersComparator : Comparator<CallableMemberDescriptor> {
         override fun compare(member1: CallableMemberDescriptor?, member2: CallableMemberDescriptor?): Int {
             if (member1 == member2) return 0
             if (member1 == null) return -1
@@ -91,7 +107,7 @@ class ClassGenerator(declarationGenerator: DeclarationGenerator) : DeclarationGe
                     .getContributedDescriptors(DescriptorKindFilter.CALLABLES)
                     .filterIsInstance<CallableMemberDescriptor>()
                     .filter { it.kind == CallableMemberDescriptor.Kind.DELEGATION }
-                    .sortedWith(StableDelegatesComparator)
+                    .sortedWith(StableCallableMembersComparator)
             if (delegatedMembers.isEmpty()) return
 
             for (ktEntry in ktSuperTypeList.entries) {
diff --git a/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/DeclarationGenerator.kt b/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/DeclarationGenerator.kt
index 30277e05534..d8d21246ae9 100644
--- a/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/DeclarationGenerator.kt
+++ b/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/DeclarationGenerator.kt
@@ -16,15 +16,10 @@
 
 package org.jetbrains.kotlin.psi2ir.generators
 
-import org.jetbrains.kotlin.descriptors.CallableDescriptor
-import org.jetbrains.kotlin.descriptors.ClassDescriptor
-import org.jetbrains.kotlin.descriptors.TypeParameterDescriptor
+import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.ir.UNDEFINED_OFFSET
 import org.jetbrains.kotlin.ir.declarations.*
-import org.jetbrains.kotlin.ir.declarations.impl.IrAnonymousInitializerImpl
-import org.jetbrains.kotlin.ir.declarations.impl.IrErrorDeclarationImpl
-import org.jetbrains.kotlin.ir.declarations.impl.IrTypeAliasImpl
-import org.jetbrains.kotlin.ir.declarations.impl.IrTypeParameterImpl
+import org.jetbrains.kotlin.ir.declarations.impl.*
 import org.jetbrains.kotlin.ir.expressions.IrBody
 import org.jetbrains.kotlin.ir.expressions.IrExpressionBody
 import org.jetbrains.kotlin.psi.*
@@ -99,6 +94,38 @@ class DeclarationGenerator(override val context: GeneratorContext) : Generator {
 
     fun generateInitializerBody(scopeOwner: CallableDescriptor, ktBody: KtExpression): IrExpressionBody =
             createBodyGenerator(scopeOwner).generateExpressionBody(ktBody)
+
+    fun generateFakeOverrideDeclaration(memberDescriptor: CallableMemberDescriptor, ktElement: KtElement? = null): IrDeclaration {
+        assert(memberDescriptor.kind == CallableMemberDescriptor.Kind.FAKE_OVERRIDE) {
+            "Fake override expected: $memberDescriptor"
+        }
+        return when (memberDescriptor) {
+            is FunctionDescriptor ->
+                generateFakeOverrideFunction(memberDescriptor, ktElement)
+            is PropertyDescriptor ->
+                generateFakeOverrideProperty(memberDescriptor, ktElement)
+            else ->
+                throw AssertionError("Unexpected member descriptor: $memberDescriptor")
+        }
+    }
+
+    private fun generateFakeOverrideProperty(propertyDescriptor: PropertyDescriptor, ktElement: KtElement?): IrProperty =
+            IrPropertyImpl(
+                    ktElement.startOffsetOrUndefined, ktElement.endOffsetOrUndefined,
+                    IrDeclarationOrigin.FAKE_OVERRIDE,
+                    false,
+                    propertyDescriptor,
+                    null,
+                    propertyDescriptor.getter?.let { generateFakeOverrideFunction(it, ktElement) },
+                    propertyDescriptor.setter?.let { generateFakeOverrideFunction(it, ktElement) }
+            )
+
+    private fun generateFakeOverrideFunction(functionDescriptor: FunctionDescriptor, ktElement: KtElement?): IrFunction =
+            IrFunctionImpl(
+                    ktElement.startOffsetOrUndefined, ktElement.endOffsetOrUndefined,
+                    IrDeclarationOrigin.FAKE_OVERRIDE,
+                    functionDescriptor
+            )
 }
 
 abstract class DeclarationGeneratorExtension(val declarationGenerator: DeclarationGenerator) : Generator {
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrDeclarationOrigin.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrDeclarationOrigin.kt
index 5bbc06dafe2..0b134ffec4b 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrDeclarationOrigin.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrDeclarationOrigin.kt
@@ -18,6 +18,7 @@ package org.jetbrains.kotlin.ir.declarations
 
 interface IrDeclarationOrigin {
     object DEFINED : IrDeclarationOriginImpl("DEFINED")
+    object FAKE_OVERRIDE : IrDeclarationOriginImpl("FAKE_OVERRIDE")
     object PROPERTY_BACKING_FIELD : IrDeclarationOriginImpl("PROPERTY_BACKING_FIELD")
     object DEFAULT_PROPERTY_ACCESSOR : IrDeclarationOriginImpl("DEFAULT_PROPERTY_ACCESSOR")
     object DELEGATE : IrDeclarationOriginImpl("DELEGATE")
diff --git a/compiler/testData/ir/irText/classes/argumentReorderingInDelegatingConstructorCall.txt b/compiler/testData/ir/irText/classes/argumentReorderingInDelegatingConstructorCall.txt
index c987bdec7a4..e72ed1b82c8 100644
--- a/compiler/testData/ir/irText/classes/argumentReorderingInDelegatingConstructorCall.txt
+++ b/compiler/testData/ir/irText/classes/argumentReorderingInDelegatingConstructorCall.txt
@@ -26,6 +26,9 @@ FILE /argumentReorderingInDelegatingConstructorCall.kt
           RETURN type=kotlin.Nothing from='<get-y>(): Int'
             GET_FIELD 'y: Int' type=kotlin.Int origin=null
               receiver: GET_VAR '<receiver: Base>' type=Base origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Test1
     CONSTRUCTOR public constructor Test1(xx: kotlin.Int, yy: kotlin.Int)
       VALUE_PARAMETER value-parameter xx: kotlin.Int
@@ -40,6 +43,13 @@ FILE /argumentReorderingInDelegatingConstructorCall.kt
             x: GET_VAR 'tmp1_x: Int' type=kotlin.Int origin=null
             y: GET_VAR 'tmp0_y: Int' type=kotlin.Int origin=null
         INSTANCE_INITIALIZER_CALL classDescriptor='Test1'
+    PROPERTY FAKE_OVERRIDE public final override val x: kotlin.Int
+      FUN FAKE_OVERRIDE public final override fun <get-x>(): kotlin.Int
+    PROPERTY FAKE_OVERRIDE public final override val y: kotlin.Int
+      FUN FAKE_OVERRIDE public final override fun <get-y>(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Test2
     CONSTRUCTOR public constructor Test2(xx: kotlin.Int, yy: kotlin.Int)
       VALUE_PARAMETER value-parameter xx: kotlin.Int
@@ -67,3 +77,10 @@ FILE /argumentReorderingInDelegatingConstructorCall.kt
           DELEGATING_CONSTRUCTOR_CALL 'constructor Test2(Int, Int)'
             xx: GET_VAR 'tmp1_xx: Int' type=kotlin.Int origin=null
             yy: GET_VAR 'tmp0_yy: Int' type=kotlin.Int origin=null
+    PROPERTY FAKE_OVERRIDE public final override val x: kotlin.Int
+      FUN FAKE_OVERRIDE public final override fun <get-x>(): kotlin.Int
+    PROPERTY FAKE_OVERRIDE public final override val y: kotlin.Int
+      FUN FAKE_OVERRIDE public final override fun <get-y>(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/classMembers.txt b/compiler/testData/ir/irText/classes/classMembers.txt
index d694149bb81..f371dc57f37 100644
--- a/compiler/testData/ir/irText/classes/classMembers.txt
+++ b/compiler/testData/ir/irText/classes/classMembers.txt
@@ -99,6 +99,9 @@ FILE /classMembers.kt
         BLOCK_BODY
           CALL 'println(Any?): Unit' type=kotlin.Unit origin=null
             message: CONST String type=kotlin.String value='4'
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     CLASS INTERFACE NestedInterface
       FUN public abstract fun foo(): kotlin.Unit
         $this: VALUE_PARAMETER <receiver: NestedInterface>
@@ -108,8 +111,17 @@ FILE /classMembers.kt
           RETURN type=kotlin.Nothing from='bar(): Unit'
             CALL 'foo(): Unit' type=kotlin.Unit origin=null
               $this: GET_VAR '<receiver: NestedInterface>' type=C.NestedInterface origin=null
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     CLASS OBJECT companion object of C
       CONSTRUCTOR private constructor Companion()
         BLOCK_BODY
           DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
           INSTANCE_INITIALIZER_CALL classDescriptor='companion object of C'
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/classes.txt b/compiler/testData/ir/irText/classes/classes.txt
index bb3d96975f4..2ada50eb241 100644
--- a/compiler/testData/ir/irText/classes/classes.txt
+++ b/compiler/testData/ir/irText/classes/classes.txt
@@ -4,18 +4,41 @@ FILE /classes.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='TestClass'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS INTERFACE TestInterface
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS OBJECT TestObject
     CONSTRUCTOR private constructor TestObject()
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='TestObject'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS ANNOTATION_CLASS TestAnnotationClass
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS ENUM_CLASS TestEnumClass
     CONSTRUCTOR private constructor TestEnumClass()
       BLOCK_BODY
         ENUM_CONSTRUCTOR_CALL 'constructor Enum(String, Int)'
         INSTANCE_INITIALIZER_CALL classDescriptor='TestEnumClass'
+    FUN FAKE_OVERRIDE protected final override fun clone(): kotlin.Any
+    FUN FAKE_OVERRIDE protected/*protected and package*/ final override fun finalize(): kotlin.Unit
+    FUN FAKE_OVERRIDE public final override fun getDeclaringClass(): java.lang.Class<TestEnumClass!>!
+    FUN FAKE_OVERRIDE public final override fun compareTo(other: TestEnumClass): kotlin.Int
+    FUN FAKE_OVERRIDE public final override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public final override fun hashCode(): kotlin.Int
+    PROPERTY FAKE_OVERRIDE public final override val name: kotlin.String
+      FUN FAKE_OVERRIDE public final override fun <get-name>(): kotlin.String
+    PROPERTY FAKE_OVERRIDE public final override val ordinal: kotlin.Int
+      FUN FAKE_OVERRIDE public final override fun <get-ordinal>(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun values(): kotlin.Array<TestEnumClass>
       SYNTHETIC_BODY kind=ENUM_VALUES
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun valueOf(value: kotlin.String): TestEnumClass
diff --git a/compiler/testData/ir/irText/classes/companionObject.txt b/compiler/testData/ir/irText/classes/companionObject.txt
index 7207fb78546..97513a1bec4 100644
--- a/compiler/testData/ir/irText/classes/companionObject.txt
+++ b/compiler/testData/ir/irText/classes/companionObject.txt
@@ -9,6 +9,12 @@ FILE /companionObject.kt
         BLOCK_BODY
           DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
           INSTANCE_INITIALIZER_CALL classDescriptor='companion object of Test1'
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Test2
     CONSTRUCTOR public constructor Test2()
       BLOCK_BODY
@@ -19,3 +25,9 @@ FILE /companionObject.kt
         BLOCK_BODY
           DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
           INSTANCE_INITIALIZER_CALL classDescriptor='companion object of Test2Named'
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/delegatedImplementation.txt b/compiler/testData/ir/irText/classes/delegatedImplementation.txt
index 8953453b950..88b9ea1f6ea 100644
--- a/compiler/testData/ir/irText/classes/delegatedImplementation.txt
+++ b/compiler/testData/ir/irText/classes/delegatedImplementation.txt
@@ -9,6 +9,9 @@ FILE /delegatedImplementation.kt
     FUN public abstract fun kotlin.String.qux(): kotlin.Unit
       $this: VALUE_PARAMETER <receiver: IBase>
       $receiver: VALUE_PARAMETER <receiver: qux() on String: Unit>
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS OBJECT BaseImpl
     CONSTRUCTOR private constructor BaseImpl()
       BLOCK_BODY
@@ -28,6 +31,9 @@ FILE /delegatedImplementation.kt
       $this: VALUE_PARAMETER <receiver: BaseImpl>
       $receiver: VALUE_PARAMETER <receiver: qux() on String: Unit>
       BLOCK_BODY
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS INTERFACE IOther
     PROPERTY public abstract val x: kotlin.String
       FUN DEFAULT_PROPERTY_ACCESSOR public abstract fun <get-x>(): kotlin.String
@@ -74,6 +80,9 @@ FILE /delegatedImplementation.kt
           SET_FIELD 'z2: Int on Byte' type=kotlin.Unit origin=null
             receiver: GET_VAR '<receiver: IOther>' type=IOther origin=null
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun otherImpl(x0: kotlin.String, y0: kotlin.Int): IOther
     VALUE_PARAMETER value-parameter x0: kotlin.String
     VALUE_PARAMETER value-parameter y0: kotlin.Int
@@ -131,6 +140,9 @@ FILE /delegatedImplementation.kt
                 $receiver: VALUE_PARAMETER <receiver: z2: Int on Byte>
                 VALUE_PARAMETER value-parameter value: kotlin.Int
                 BLOCK_BODY
+            FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+            FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+            FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
           CALL 'constructor <no name provided>()' type=otherImpl.<no name provided> origin=OBJECT_LITERAL
   CLASS CLASS Test1
     CONSTRUCTOR public constructor Test1()
@@ -165,6 +177,9 @@ FILE /delegatedImplementation.kt
           $this: GET_FIELD '`Test1$IBase$delegate`: BaseImpl' type=BaseImpl origin=null
             receiver: GET_VAR '<receiver: Test1>' type=Test1 origin=null
           $receiver: GET_VAR '<receiver: qux() on String: Unit>' type=kotlin.String origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Test2
     CONSTRUCTOR public constructor Test2()
       BLOCK_BODY
@@ -257,3 +272,6 @@ FILE /delegatedImplementation.kt
             $this: GET_FIELD '`Test2$IOther$delegate`: IOther' type=IOther origin=null
               receiver: GET_VAR '<receiver: Test2>' type=Test2 origin=null
             <set-?>: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.txt b/compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.txt
index b8a52465941..32a2ee3428d 100644
--- a/compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.txt
+++ b/compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.txt
@@ -4,6 +4,9 @@ FILE /delegatedImplementationWithExplicitOverride.kt
       $this: VALUE_PARAMETER <receiver: IFooBar>
     FUN public abstract fun bar(): kotlin.Unit
       $this: VALUE_PARAMETER <receiver: IFooBar>
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS OBJECT FooBarImpl
     CONSTRUCTOR private constructor FooBarImpl()
       BLOCK_BODY
@@ -15,6 +18,9 @@ FILE /delegatedImplementationWithExplicitOverride.kt
     FUN public open override fun bar(): kotlin.Unit
       $this: VALUE_PARAMETER <receiver: FooBarImpl>
       BLOCK_BODY
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS C
     CONSTRUCTOR public constructor C()
       BLOCK_BODY
@@ -32,3 +38,6 @@ FILE /delegatedImplementationWithExplicitOverride.kt
     FUN public open override fun bar(): kotlin.Unit
       $this: VALUE_PARAMETER <receiver: C>
       BLOCK_BODY
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.txt b/compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.txt
index 893e9b06b6b..7cb972b351c 100644
--- a/compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.txt
+++ b/compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.txt
@@ -17,6 +17,9 @@ FILE /delegatingConstructorCallToTypeAliasConstructor.kt
           RETURN type=kotlin.Nothing from='<get-value>(): T'
             GET_FIELD 'value: T' type=T origin=null
               receiver: GET_VAR '<receiver: Cell>' type=Cell<T> origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   TYPEALIAS typealias CT = Cell<T> type=Cell<T>
   TYPEALIAS typealias CStr = Cell<String> type=Cell<kotlin.String>
   CLASS CLASS C1
@@ -25,9 +28,19 @@ FILE /delegatingConstructorCallToTypeAliasConstructor.kt
         DELEGATING_CONSTRUCTOR_CALL 'constructor Cell(String)'
           value: CONST String type=kotlin.String value='O'
         INSTANCE_INITIALIZER_CALL classDescriptor='C1'
+    PROPERTY FAKE_OVERRIDE public final override val value: kotlin.String
+      FUN FAKE_OVERRIDE public final override fun <get-value>(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS C2
     CONSTRUCTOR public constructor C2()
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Cell(String)'
           value: CONST String type=kotlin.String value='K'
         INSTANCE_INITIALIZER_CALL classDescriptor='C2'
+    PROPERTY FAKE_OVERRIDE public final override val value: kotlin.String
+      FUN FAKE_OVERRIDE public final override fun <get-value>(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/delegatingConstructorCallsInSecondaryConstructors.txt b/compiler/testData/ir/irText/classes/delegatingConstructorCallsInSecondaryConstructors.txt
index 09668a09ba1..d27b8665b45 100644
--- a/compiler/testData/ir/irText/classes/delegatingConstructorCallsInSecondaryConstructors.txt
+++ b/compiler/testData/ir/irText/classes/delegatingConstructorCallsInSecondaryConstructors.txt
@@ -4,6 +4,9 @@ FILE /delegatingConstructorCallsInSecondaryConstructors.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='Base'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Test
     CONSTRUCTOR public constructor Test()
       BLOCK_BODY
@@ -18,3 +21,6 @@ FILE /delegatingConstructorCallsInSecondaryConstructors.kt
       VALUE_PARAMETER value-parameter xx: kotlin.Short
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Test()'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/enum.txt b/compiler/testData/ir/irText/classes/enum.txt
index cf9c6be64ee..66af35d54c3 100644
--- a/compiler/testData/ir/irText/classes/enum.txt
+++ b/compiler/testData/ir/irText/classes/enum.txt
@@ -8,6 +8,17 @@ FILE /enum.kt
       init: ENUM_CONSTRUCTOR_CALL 'constructor TestEnum1()'
     ENUM_ENTRY enum entry TEST2
       init: ENUM_CONSTRUCTOR_CALL 'constructor TestEnum1()'
+    FUN FAKE_OVERRIDE protected final override fun clone(): kotlin.Any
+    FUN FAKE_OVERRIDE protected/*protected and package*/ final override fun finalize(): kotlin.Unit
+    FUN FAKE_OVERRIDE public final override fun getDeclaringClass(): java.lang.Class<TestEnum1!>!
+    FUN FAKE_OVERRIDE public final override fun compareTo(other: TestEnum1): kotlin.Int
+    FUN FAKE_OVERRIDE public final override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public final override fun hashCode(): kotlin.Int
+    PROPERTY FAKE_OVERRIDE public final override val name: kotlin.String
+      FUN FAKE_OVERRIDE public final override fun <get-name>(): kotlin.String
+    PROPERTY FAKE_OVERRIDE public final override val ordinal: kotlin.Int
+      FUN FAKE_OVERRIDE public final override fun <get-ordinal>(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun values(): kotlin.Array<TestEnum1>
       SYNTHETIC_BODY kind=ENUM_VALUES
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun valueOf(value: kotlin.String): TestEnum1
@@ -37,6 +48,17 @@ FILE /enum.kt
     ENUM_ENTRY enum entry TEST3
       init: ENUM_CONSTRUCTOR_CALL 'constructor TestEnum2(Int)'
         x: CONST Int type=kotlin.Int value='3'
+    FUN FAKE_OVERRIDE protected final override fun clone(): kotlin.Any
+    FUN FAKE_OVERRIDE protected/*protected and package*/ final override fun finalize(): kotlin.Unit
+    FUN FAKE_OVERRIDE public final override fun getDeclaringClass(): java.lang.Class<TestEnum2!>!
+    FUN FAKE_OVERRIDE public final override fun compareTo(other: TestEnum2): kotlin.Int
+    FUN FAKE_OVERRIDE public final override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public final override fun hashCode(): kotlin.Int
+    PROPERTY FAKE_OVERRIDE public final override val name: kotlin.String
+      FUN FAKE_OVERRIDE public final override fun <get-name>(): kotlin.String
+    PROPERTY FAKE_OVERRIDE public final override val ordinal: kotlin.Int
+      FUN FAKE_OVERRIDE public final override fun <get-ordinal>(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun values(): kotlin.Array<TestEnum2>
       SYNTHETIC_BODY kind=ENUM_VALUES
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun valueOf(value: kotlin.String): TestEnum2
@@ -58,8 +80,30 @@ FILE /enum.kt
           BLOCK_BODY
             CALL 'println(Any?): Unit' type=kotlin.Unit origin=null
               message: CONST String type=kotlin.String value='Hello, world!'
+        FUN FAKE_OVERRIDE protected final override fun clone(): kotlin.Any
+        FUN FAKE_OVERRIDE protected/*protected and package*/ final override fun finalize(): kotlin.Unit
+        FUN FAKE_OVERRIDE public final override fun getDeclaringClass(): java.lang.Class<TestEnum3!>!
+        FUN FAKE_OVERRIDE public final override fun compareTo(other: TestEnum3): kotlin.Int
+        FUN FAKE_OVERRIDE public final override fun equals(other: kotlin.Any?): kotlin.Boolean
+        FUN FAKE_OVERRIDE public final override fun hashCode(): kotlin.Int
+        PROPERTY FAKE_OVERRIDE public final override val name: kotlin.String
+          FUN FAKE_OVERRIDE public final override fun <get-name>(): kotlin.String
+        PROPERTY FAKE_OVERRIDE public final override val ordinal: kotlin.Int
+          FUN FAKE_OVERRIDE public final override fun <get-ordinal>(): kotlin.Int
+        FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     FUN public abstract fun foo(): kotlin.Unit
       $this: VALUE_PARAMETER <receiver: TestEnum3>
+    FUN FAKE_OVERRIDE protected final override fun clone(): kotlin.Any
+    FUN FAKE_OVERRIDE protected/*protected and package*/ final override fun finalize(): kotlin.Unit
+    FUN FAKE_OVERRIDE public final override fun getDeclaringClass(): java.lang.Class<TestEnum3!>!
+    FUN FAKE_OVERRIDE public final override fun compareTo(other: TestEnum3): kotlin.Int
+    FUN FAKE_OVERRIDE public final override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public final override fun hashCode(): kotlin.Int
+    PROPERTY FAKE_OVERRIDE public final override val name: kotlin.String
+      FUN FAKE_OVERRIDE public final override fun <get-name>(): kotlin.String
+    PROPERTY FAKE_OVERRIDE public final override val ordinal: kotlin.Int
+      FUN FAKE_OVERRIDE public final override fun <get-ordinal>(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun values(): kotlin.Array<TestEnum3>
       SYNTHETIC_BODY kind=ENUM_VALUES
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun valueOf(value: kotlin.String): TestEnum3
@@ -93,6 +137,19 @@ FILE /enum.kt
           BLOCK_BODY
             CALL 'println(Any?): Unit' type=kotlin.Unit origin=null
               message: GET_ENUM 'TEST1' type=TestEnum4
+        FUN FAKE_OVERRIDE protected final override fun clone(): kotlin.Any
+        FUN FAKE_OVERRIDE protected/*protected and package*/ final override fun finalize(): kotlin.Unit
+        FUN FAKE_OVERRIDE public final override fun getDeclaringClass(): java.lang.Class<TestEnum4!>!
+        FUN FAKE_OVERRIDE public final override fun compareTo(other: TestEnum4): kotlin.Int
+        FUN FAKE_OVERRIDE public final override fun equals(other: kotlin.Any?): kotlin.Boolean
+        FUN FAKE_OVERRIDE public final override fun hashCode(): kotlin.Int
+        PROPERTY FAKE_OVERRIDE public final override val name: kotlin.String
+          FUN FAKE_OVERRIDE public final override fun <get-name>(): kotlin.String
+        PROPERTY FAKE_OVERRIDE public final override val ordinal: kotlin.Int
+          FUN FAKE_OVERRIDE public final override fun <get-ordinal>(): kotlin.Int
+        PROPERTY FAKE_OVERRIDE public final override val x: kotlin.Int
+          FUN FAKE_OVERRIDE public final override fun <get-x>(): kotlin.Int
+        FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     ENUM_ENTRY enum entry TEST2
       init: ENUM_CONSTRUCTOR_CALL 'constructor TEST2()'
       class: CLASS ENUM_ENTRY TEST2
@@ -120,8 +177,32 @@ FILE /enum.kt
           BLOCK_BODY
             CALL 'println(Any?): Unit' type=kotlin.Unit origin=null
               message: GET_ENUM 'TEST2' type=TestEnum4
+        FUN FAKE_OVERRIDE protected final override fun clone(): kotlin.Any
+        FUN FAKE_OVERRIDE protected/*protected and package*/ final override fun finalize(): kotlin.Unit
+        FUN FAKE_OVERRIDE public final override fun getDeclaringClass(): java.lang.Class<TestEnum4!>!
+        FUN FAKE_OVERRIDE public final override fun compareTo(other: TestEnum4): kotlin.Int
+        FUN FAKE_OVERRIDE public final override fun equals(other: kotlin.Any?): kotlin.Boolean
+        FUN FAKE_OVERRIDE public final override fun hashCode(): kotlin.Int
+        PROPERTY FAKE_OVERRIDE public final override val name: kotlin.String
+          FUN FAKE_OVERRIDE public final override fun <get-name>(): kotlin.String
+        PROPERTY FAKE_OVERRIDE public final override val ordinal: kotlin.Int
+          FUN FAKE_OVERRIDE public final override fun <get-ordinal>(): kotlin.Int
+        PROPERTY FAKE_OVERRIDE public final override val x: kotlin.Int
+          FUN FAKE_OVERRIDE public final override fun <get-x>(): kotlin.Int
+        FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     FUN public abstract fun foo(): kotlin.Unit
       $this: VALUE_PARAMETER <receiver: TestEnum4>
+    FUN FAKE_OVERRIDE protected final override fun clone(): kotlin.Any
+    FUN FAKE_OVERRIDE protected/*protected and package*/ final override fun finalize(): kotlin.Unit
+    FUN FAKE_OVERRIDE public final override fun getDeclaringClass(): java.lang.Class<TestEnum4!>!
+    FUN FAKE_OVERRIDE public final override fun compareTo(other: TestEnum4): kotlin.Int
+    FUN FAKE_OVERRIDE public final override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public final override fun hashCode(): kotlin.Int
+    PROPERTY FAKE_OVERRIDE public final override val name: kotlin.String
+      FUN FAKE_OVERRIDE public final override fun <get-name>(): kotlin.String
+    PROPERTY FAKE_OVERRIDE public final override val ordinal: kotlin.Int
+      FUN FAKE_OVERRIDE public final override fun <get-ordinal>(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun values(): kotlin.Array<TestEnum4>
       SYNTHETIC_BODY kind=ENUM_VALUES
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun valueOf(value: kotlin.String): TestEnum4
@@ -151,6 +232,17 @@ FILE /enum.kt
     ENUM_ENTRY enum entry TEST3
       init: ENUM_CONSTRUCTOR_CALL 'constructor TestEnum5(Int = ...)'
         x: CONST Int type=kotlin.Int value='0'
+    FUN FAKE_OVERRIDE protected final override fun clone(): kotlin.Any
+    FUN FAKE_OVERRIDE protected/*protected and package*/ final override fun finalize(): kotlin.Unit
+    FUN FAKE_OVERRIDE public final override fun getDeclaringClass(): java.lang.Class<TestEnum5!>!
+    FUN FAKE_OVERRIDE public final override fun compareTo(other: TestEnum5): kotlin.Int
+    FUN FAKE_OVERRIDE public final override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public final override fun hashCode(): kotlin.Int
+    PROPERTY FAKE_OVERRIDE public final override val name: kotlin.String
+      FUN FAKE_OVERRIDE public final override fun <get-name>(): kotlin.String
+    PROPERTY FAKE_OVERRIDE public final override val ordinal: kotlin.Int
+      FUN FAKE_OVERRIDE public final override fun <get-ordinal>(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun values(): kotlin.Array<TestEnum5>
       SYNTHETIC_BODY kind=ENUM_VALUES
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun valueOf(value: kotlin.String): TestEnum5
diff --git a/compiler/testData/ir/irText/classes/enumWithSecondaryCtor.txt b/compiler/testData/ir/irText/classes/enumWithSecondaryCtor.txt
index b9b5f12c042..c5308259ff1 100644
--- a/compiler/testData/ir/irText/classes/enumWithSecondaryCtor.txt
+++ b/compiler/testData/ir/irText/classes/enumWithSecondaryCtor.txt
@@ -21,6 +21,17 @@ FILE /enumWithSecondaryCtor.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Test0(Int)'
           x: CONST Int type=kotlin.Int value='0'
+    FUN FAKE_OVERRIDE protected final override fun clone(): kotlin.Any
+    FUN FAKE_OVERRIDE protected/*protected and package*/ final override fun finalize(): kotlin.Unit
+    FUN FAKE_OVERRIDE public final override fun getDeclaringClass(): java.lang.Class<Test0!>!
+    FUN FAKE_OVERRIDE public final override fun compareTo(other: Test0): kotlin.Int
+    FUN FAKE_OVERRIDE public final override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public final override fun hashCode(): kotlin.Int
+    PROPERTY FAKE_OVERRIDE public final override val name: kotlin.String
+      FUN FAKE_OVERRIDE public final override fun <get-name>(): kotlin.String
+    PROPERTY FAKE_OVERRIDE public final override val ordinal: kotlin.Int
+      FUN FAKE_OVERRIDE public final override fun <get-ordinal>(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun values(): kotlin.Array<Test0>
       SYNTHETIC_BODY kind=ENUM_VALUES
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun valueOf(value: kotlin.String): Test0
@@ -50,6 +61,17 @@ FILE /enumWithSecondaryCtor.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Test1(Int)'
           x: CONST Int type=kotlin.Int value='0'
+    FUN FAKE_OVERRIDE protected final override fun clone(): kotlin.Any
+    FUN FAKE_OVERRIDE protected/*protected and package*/ final override fun finalize(): kotlin.Unit
+    FUN FAKE_OVERRIDE public final override fun getDeclaringClass(): java.lang.Class<Test1!>!
+    FUN FAKE_OVERRIDE public final override fun compareTo(other: Test1): kotlin.Int
+    FUN FAKE_OVERRIDE public final override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public final override fun hashCode(): kotlin.Int
+    PROPERTY FAKE_OVERRIDE public final override val name: kotlin.String
+      FUN FAKE_OVERRIDE public final override fun <get-name>(): kotlin.String
+    PROPERTY FAKE_OVERRIDE public final override val ordinal: kotlin.Int
+      FUN FAKE_OVERRIDE public final override fun <get-ordinal>(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun values(): kotlin.Array<Test1>
       SYNTHETIC_BODY kind=ENUM_VALUES
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun valueOf(value: kotlin.String): Test1
@@ -82,6 +104,19 @@ FILE /enumWithSecondaryCtor.kt
           BLOCK_BODY
             CALL 'println(Any?): Unit' type=kotlin.Unit origin=null
               message: CONST String type=kotlin.String value='ZERO'
+        FUN FAKE_OVERRIDE protected final override fun clone(): kotlin.Any
+        FUN FAKE_OVERRIDE protected/*protected and package*/ final override fun finalize(): kotlin.Unit
+        FUN FAKE_OVERRIDE public final override fun getDeclaringClass(): java.lang.Class<Test2!>!
+        FUN FAKE_OVERRIDE public final override fun compareTo(other: Test2): kotlin.Int
+        FUN FAKE_OVERRIDE public final override fun equals(other: kotlin.Any?): kotlin.Boolean
+        FUN FAKE_OVERRIDE public final override fun hashCode(): kotlin.Int
+        PROPERTY FAKE_OVERRIDE public final override val name: kotlin.String
+          FUN FAKE_OVERRIDE public final override fun <get-name>(): kotlin.String
+        PROPERTY FAKE_OVERRIDE public final override val ordinal: kotlin.Int
+          FUN FAKE_OVERRIDE public final override fun <get-ordinal>(): kotlin.Int
+        PROPERTY FAKE_OVERRIDE public final override val x: kotlin.Int
+          FUN FAKE_OVERRIDE public final override fun <get-x>(): kotlin.Int
+        FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     ENUM_ENTRY enum entry ONE
       init: ENUM_CONSTRUCTOR_CALL 'constructor ONE()'
       class: CLASS ENUM_ENTRY ONE
@@ -95,12 +130,36 @@ FILE /enumWithSecondaryCtor.kt
           BLOCK_BODY
             CALL 'println(Any?): Unit' type=kotlin.Unit origin=null
               message: CONST String type=kotlin.String value='ONE'
+        FUN FAKE_OVERRIDE protected final override fun clone(): kotlin.Any
+        FUN FAKE_OVERRIDE protected/*protected and package*/ final override fun finalize(): kotlin.Unit
+        FUN FAKE_OVERRIDE public final override fun getDeclaringClass(): java.lang.Class<Test2!>!
+        FUN FAKE_OVERRIDE public final override fun compareTo(other: Test2): kotlin.Int
+        FUN FAKE_OVERRIDE public final override fun equals(other: kotlin.Any?): kotlin.Boolean
+        FUN FAKE_OVERRIDE public final override fun hashCode(): kotlin.Int
+        PROPERTY FAKE_OVERRIDE public final override val name: kotlin.String
+          FUN FAKE_OVERRIDE public final override fun <get-name>(): kotlin.String
+        PROPERTY FAKE_OVERRIDE public final override val ordinal: kotlin.Int
+          FUN FAKE_OVERRIDE public final override fun <get-ordinal>(): kotlin.Int
+        PROPERTY FAKE_OVERRIDE public final override val x: kotlin.Int
+          FUN FAKE_OVERRIDE public final override fun <get-x>(): kotlin.Int
+        FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     CONSTRUCTOR private constructor Test2()
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Test2(Int)'
           x: CONST Int type=kotlin.Int value='0'
     FUN public abstract fun foo(): kotlin.Unit
       $this: VALUE_PARAMETER <receiver: Test2>
+    FUN FAKE_OVERRIDE protected final override fun clone(): kotlin.Any
+    FUN FAKE_OVERRIDE protected/*protected and package*/ final override fun finalize(): kotlin.Unit
+    FUN FAKE_OVERRIDE public final override fun getDeclaringClass(): java.lang.Class<Test2!>!
+    FUN FAKE_OVERRIDE public final override fun compareTo(other: Test2): kotlin.Int
+    FUN FAKE_OVERRIDE public final override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public final override fun hashCode(): kotlin.Int
+    PROPERTY FAKE_OVERRIDE public final override val name: kotlin.String
+      FUN FAKE_OVERRIDE public final override fun <get-name>(): kotlin.String
+    PROPERTY FAKE_OVERRIDE public final override val ordinal: kotlin.Int
+      FUN FAKE_OVERRIDE public final override fun <get-ordinal>(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun values(): kotlin.Array<Test2>
       SYNTHETIC_BODY kind=ENUM_VALUES
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun valueOf(value: kotlin.String): Test2
diff --git a/compiler/testData/ir/irText/classes/initBlock.txt b/compiler/testData/ir/irText/classes/initBlock.txt
index 7de3b725a75..21183368499 100644
--- a/compiler/testData/ir/irText/classes/initBlock.txt
+++ b/compiler/testData/ir/irText/classes/initBlock.txt
@@ -7,6 +7,9 @@ FILE /initBlock.kt
     ANONYMOUS_INITIALIZER Test1
       BLOCK_BODY
         CALL 'println(): Unit' type=kotlin.Unit origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Test2
     CONSTRUCTOR public constructor Test2(x: kotlin.Int)
       VALUE_PARAMETER value-parameter x: kotlin.Int
@@ -26,6 +29,9 @@ FILE /initBlock.kt
     ANONYMOUS_INITIALIZER Test2
       BLOCK_BODY
         CALL 'println(): Unit' type=kotlin.Unit origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Test3
     ANONYMOUS_INITIALIZER Test3
       BLOCK_BODY
@@ -34,6 +40,9 @@ FILE /initBlock.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='Test3'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Test4
     ANONYMOUS_INITIALIZER Test4
       BLOCK_BODY
@@ -47,6 +56,9 @@ FILE /initBlock.kt
       BLOCK_BODY
         CALL 'println(Any?): Unit' type=kotlin.Unit origin=null
           message: CONST String type=kotlin.String value='2'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Test5
     CONSTRUCTOR public constructor Test5()
       BLOCK_BODY
@@ -66,3 +78,9 @@ FILE /initBlock.kt
         BLOCK_BODY
           CALL 'println(Any?): Unit' type=kotlin.Unit origin=null
             message: CONST String type=kotlin.String value='2'
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/initVal.txt b/compiler/testData/ir/irText/classes/initVal.txt
index d517d758b95..a133d855bef 100644
--- a/compiler/testData/ir/irText/classes/initVal.txt
+++ b/compiler/testData/ir/irText/classes/initVal.txt
@@ -15,6 +15,9 @@ FILE /initVal.kt
           RETURN type=kotlin.Nothing from='<get-x>(): Int'
             GET_FIELD 'x: Int' type=kotlin.Int origin=null
               receiver: GET_VAR '<receiver: TestInitValFromParameter>' type=TestInitValFromParameter origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS TestInitValInClass
     CONSTRUCTOR public constructor TestInitValInClass()
       BLOCK_BODY
@@ -30,6 +33,9 @@ FILE /initVal.kt
           RETURN type=kotlin.Nothing from='<get-x>(): Int'
             GET_FIELD 'x: Int' type=kotlin.Int origin=null
               receiver: GET_VAR '<receiver: TestInitValInClass>' type=TestInitValInClass origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS TestInitValInInitBlock
     CONSTRUCTOR public constructor TestInitValInInitBlock()
       BLOCK_BODY
@@ -48,3 +54,6 @@ FILE /initVal.kt
         SET_FIELD 'x: Int' type=kotlin.Unit origin=null
           receiver: GET_VAR '<receiver: TestInitValInInitBlock>' type=TestInitValInInitBlock origin=null
           value: CONST Int type=kotlin.Int value='0'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/initVar.txt b/compiler/testData/ir/irText/classes/initVar.txt
index aef6b37cec1..150c9bf3a6e 100644
--- a/compiler/testData/ir/irText/classes/initVar.txt
+++ b/compiler/testData/ir/irText/classes/initVar.txt
@@ -22,6 +22,9 @@ FILE /initVar.kt
           SET_FIELD 'x: Int' type=kotlin.Unit origin=null
             receiver: GET_VAR '<receiver: TestInitVarFromParameter>' type=TestInitVarFromParameter origin=null
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS TestInitVarInClass
     CONSTRUCTOR public constructor TestInitVarInClass()
       BLOCK_BODY
@@ -44,6 +47,9 @@ FILE /initVar.kt
           SET_FIELD 'x: Int' type=kotlin.Unit origin=null
             receiver: GET_VAR '<receiver: TestInitVarInClass>' type=TestInitVarInClass origin=null
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS TestInitVarInInitBlock
     CONSTRUCTOR public constructor TestInitVarInInitBlock()
       BLOCK_BODY
@@ -69,6 +75,9 @@ FILE /initVar.kt
         CALL '<set-x>(Int): Unit' type=kotlin.Unit origin=EQ
           $this: GET_VAR '<receiver: TestInitVarInInitBlock>' type=TestInitVarInInitBlock origin=null
           <set-?>: CONST Int type=kotlin.Int value='0'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS TestInitVarWithCustomSetter
     CONSTRUCTOR public constructor TestInitVarWithCustomSetter()
       BLOCK_BODY
@@ -91,6 +100,9 @@ FILE /initVar.kt
           SET_FIELD 'x: Int' type=kotlin.Unit origin=EQ
             receiver: GET_VAR '<receiver: TestInitVarWithCustomSetter>' type=TestInitVarWithCustomSetter origin=null
             value: GET_VAR 'value-parameter value: Int' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS TestInitVarWithCustomSetterWithExplicitCtor
     PROPERTY public final var x: kotlin.Int
       FIELD PROPERTY_BACKING_FIELD public final var x: kotlin.Int
@@ -116,6 +128,9 @@ FILE /initVar.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='TestInitVarWithCustomSetterWithExplicitCtor'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS TestInitVarWithCustomSetterInCtor
     PROPERTY public final var x: kotlin.Int
       FIELD PROPERTY_BACKING_FIELD public final var x: kotlin.Int
@@ -139,3 +154,6 @@ FILE /initVar.kt
         CALL '<set-x>(Int): Unit' type=kotlin.Unit origin=EQ
           $this: GET_VAR '<receiver: TestInitVarWithCustomSetterInCtor>' type=TestInitVarWithCustomSetterInCtor origin=null
           value: CONST Int type=kotlin.Int value='42'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/innerClass.txt b/compiler/testData/ir/irText/classes/innerClass.txt
index 4b80d121fef..2221cf59b85 100644
--- a/compiler/testData/ir/irText/classes/innerClass.txt
+++ b/compiler/testData/ir/irText/classes/innerClass.txt
@@ -10,6 +10,9 @@ FILE /innerClass.kt
         BLOCK_BODY
           DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
           INSTANCE_INITIALIZER_CALL classDescriptor='TestInnerClass'
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     CLASS CLASS DerivedInnerClass
       CONSTRUCTOR public constructor DerivedInnerClass()
         $this: VALUE_PARAMETER <receiver: Outer>
@@ -17,3 +20,9 @@ FILE /innerClass.kt
           DELEGATING_CONSTRUCTOR_CALL 'constructor TestInnerClass()'
             $this: GET_VAR '<receiver: Outer>' type=Outer origin=null
           INSTANCE_INITIALIZER_CALL classDescriptor='DerivedInnerClass'
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/innerClassWithDelegatingConstructor.txt b/compiler/testData/ir/irText/classes/innerClassWithDelegatingConstructor.txt
index 5d1186d4dde..0f083659940 100644
--- a/compiler/testData/ir/irText/classes/innerClassWithDelegatingConstructor.txt
+++ b/compiler/testData/ir/irText/classes/innerClassWithDelegatingConstructor.txt
@@ -27,3 +27,9 @@ FILE /innerClassWithDelegatingConstructor.kt
           DELEGATING_CONSTRUCTOR_CALL 'constructor Inner(Int)'
             $this: GET_VAR '<receiver: Outer>' type=Outer origin=null
             x: CONST Int type=kotlin.Int value='0'
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/localClasses.txt b/compiler/testData/ir/irText/classes/localClasses.txt
index 3c9416b58f2..1e7a579026b 100644
--- a/compiler/testData/ir/irText/classes/localClasses.txt
+++ b/compiler/testData/ir/irText/classes/localClasses.txt
@@ -9,5 +9,8 @@ FILE /localClasses.kt
         FUN public final fun foo(): kotlin.Unit
           $this: VALUE_PARAMETER <receiver: LocalClass>
           BLOCK_BODY
+        FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+        FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+        FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
       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 d37ca8448a6..fcd6f94af5d 100644
--- a/compiler/testData/ir/irText/classes/objectLiteralExpressions.txt
+++ b/compiler/testData/ir/irText/classes/objectLiteralExpressions.txt
@@ -2,6 +2,9 @@ FILE /objectLiteralExpressions.kt
   CLASS INTERFACE IFoo
     FUN public abstract fun foo(): kotlin.Unit
       $this: VALUE_PARAMETER <receiver: IFoo>
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   PROPERTY public val test1: kotlin.Any
     FIELD PROPERTY_BACKING_FIELD public val test1: kotlin.Any
       EXPRESSION_BODY
@@ -11,6 +14,9 @@ FILE /objectLiteralExpressions.kt
               BLOCK_BODY
                 DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
                 INSTANCE_INITIALIZER_CALL classDescriptor='<no name provided>'
+            FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+            FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+            FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
           CALL 'constructor <no name provided>()' type=test1.<no name provided> origin=OBJECT_LITERAL
     FUN DEFAULT_PROPERTY_ACCESSOR public fun <get-test1>(): kotlin.Any
       BLOCK_BODY
@@ -30,6 +36,9 @@ FILE /objectLiteralExpressions.kt
               BLOCK_BODY
                 CALL 'println(Any?): Unit' type=kotlin.Unit origin=null
                   message: CONST String type=kotlin.String value='foo'
+            FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+            FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+            FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
           CALL 'constructor <no name provided>()' type=test2.<no name provided> origin=OBJECT_LITERAL
     FUN DEFAULT_PROPERTY_ACCESSOR public fun <get-test2>(): IFoo
       BLOCK_BODY
@@ -46,6 +55,10 @@ FILE /objectLiteralExpressions.kt
         BLOCK_BODY
           DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
           INSTANCE_INITIALIZER_CALL classDescriptor='Inner'
+      FUN FAKE_OVERRIDE public abstract override fun foo(): kotlin.Unit
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     FUN public final fun test3(): Outer.Inner
       $this: VALUE_PARAMETER <receiver: Outer>
       BLOCK_BODY
@@ -62,7 +75,13 @@ FILE /objectLiteralExpressions.kt
                 BLOCK_BODY
                   CALL 'println(Any?): Unit' type=kotlin.Unit origin=null
                     message: CONST String type=kotlin.String value='foo'
+              FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+              FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+              FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
             CALL 'constructor <no name provided>()' type=Outer.test3.<no name provided> origin=OBJECT_LITERAL
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun Outer.test4(): Outer.Inner
     $receiver: VALUE_PARAMETER <receiver: test4() on Outer: Outer.Inner>
     BLOCK_BODY
@@ -79,4 +98,7 @@ FILE /objectLiteralExpressions.kt
               BLOCK_BODY
                 CALL 'println(Any?): Unit' type=kotlin.Unit origin=null
                   message: CONST String type=kotlin.String value='foo'
+            FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+            FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+            FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
           CALL 'constructor <no name provided>()' type=test4.<no name provided> origin=OBJECT_LITERAL
diff --git a/compiler/testData/ir/irText/classes/objectWithInitializers.txt b/compiler/testData/ir/irText/classes/objectWithInitializers.txt
index 0d2ab6f8480..bdada3428b0 100644
--- a/compiler/testData/ir/irText/classes/objectWithInitializers.txt
+++ b/compiler/testData/ir/irText/classes/objectWithInitializers.txt
@@ -4,6 +4,9 @@ FILE /objectWithInitializers.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='Base'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS OBJECT Test
     CONSTRUCTOR private constructor Test()
       BLOCK_BODY
@@ -33,3 +36,6 @@ FILE /objectWithInitializers.kt
           receiver: GET_VAR '<receiver: Test>' type=Test origin=null
           value: CALL '<get-x>(): Int' type=kotlin.Int origin=GET_PROPERTY
             $this: GET_VAR '<receiver: Test>' type=Test origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/outerClassAccess.txt b/compiler/testData/ir/irText/classes/outerClassAccess.txt
index 8b3757e7db4..7da2e390905 100644
--- a/compiler/testData/ir/irText/classes/outerClassAccess.txt
+++ b/compiler/testData/ir/irText/classes/outerClassAccess.txt
@@ -37,3 +37,12 @@ FILE /outerClassAccess.kt
           BLOCK_BODY
             CALL 'foo(): Unit' type=kotlin.Unit origin=null
               $this: GET_VAR '<receiver: test3() on Outer: Unit>' type=Outer origin=null
+        FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+        FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+        FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/primaryConstructor.txt b/compiler/testData/ir/irText/classes/primaryConstructor.txt
index 8fa94c61c6b..36750b5de6d 100644
--- a/compiler/testData/ir/irText/classes/primaryConstructor.txt
+++ b/compiler/testData/ir/irText/classes/primaryConstructor.txt
@@ -26,6 +26,9 @@ FILE /primaryConstructor.kt
           RETURN type=kotlin.Nothing from='<get-y>(): Int'
             GET_FIELD 'y: Int' type=kotlin.Int origin=null
               receiver: GET_VAR '<receiver: Test1>' type=Test1 origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Test2
     CONSTRUCTOR public constructor Test2(x: kotlin.Int, y: kotlin.Int)
       VALUE_PARAMETER value-parameter x: kotlin.Int
@@ -53,6 +56,9 @@ FILE /primaryConstructor.kt
           RETURN type=kotlin.Nothing from='<get-x>(): Int'
             GET_FIELD 'x: Int' type=kotlin.Int origin=null
               receiver: GET_VAR '<receiver: Test2>' type=Test2 origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Test3
     CONSTRUCTOR public constructor Test3(x: kotlin.Int, y: kotlin.Int)
       VALUE_PARAMETER value-parameter x: kotlin.Int
@@ -83,3 +89,6 @@ FILE /primaryConstructor.kt
         SET_FIELD 'x: Int' type=kotlin.Unit origin=null
           receiver: GET_VAR '<receiver: Test3>' type=Test3 origin=null
           value: GET_VAR 'value-parameter x: Int' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/primaryConstructorWithSuperConstructorCall.txt b/compiler/testData/ir/irText/classes/primaryConstructorWithSuperConstructorCall.txt
index e100fa8ba26..e23d387a430 100644
--- a/compiler/testData/ir/irText/classes/primaryConstructorWithSuperConstructorCall.txt
+++ b/compiler/testData/ir/irText/classes/primaryConstructorWithSuperConstructorCall.txt
@@ -4,16 +4,25 @@ FILE /primaryConstructorWithSuperConstructorCall.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='Base'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS TestImplicitPrimaryConstructor
     CONSTRUCTOR public constructor TestImplicitPrimaryConstructor()
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Base()'
         INSTANCE_INITIALIZER_CALL classDescriptor='TestImplicitPrimaryConstructor'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS TestExplicitPrimaryConstructor
     CONSTRUCTOR public constructor TestExplicitPrimaryConstructor()
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Base()'
         INSTANCE_INITIALIZER_CALL classDescriptor='TestExplicitPrimaryConstructor'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS TestWithDelegatingConstructor
     CONSTRUCTOR public constructor TestWithDelegatingConstructor(x: kotlin.Int, y: kotlin.Int)
       VALUE_PARAMETER value-parameter x: kotlin.Int
@@ -47,3 +56,6 @@ FILE /primaryConstructorWithSuperConstructorCall.kt
         DELEGATING_CONSTRUCTOR_CALL 'constructor TestWithDelegatingConstructor(Int, Int)'
           x: GET_VAR 'value-parameter x: Int' type=kotlin.Int origin=null
           y: CONST Int type=kotlin.Int value='0'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/qualifiedSuperCalls.txt b/compiler/testData/ir/irText/classes/qualifiedSuperCalls.txt
index e3e002ae0b5..58ab34f3794 100644
--- a/compiler/testData/ir/irText/classes/qualifiedSuperCalls.txt
+++ b/compiler/testData/ir/irText/classes/qualifiedSuperCalls.txt
@@ -9,6 +9,9 @@ FILE /qualifiedSuperCalls.kt
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='<get-bar>(): Int'
             CONST Int type=kotlin.Int value='1'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS INTERFACE IRight
     FUN public open fun foo(): kotlin.Unit
       $this: VALUE_PARAMETER <receiver: IRight>
@@ -19,6 +22,9 @@ FILE /qualifiedSuperCalls.kt
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='<get-bar>(): Int'
             CONST Int type=kotlin.Int value='2'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS CBoth
     CONSTRUCTOR public constructor CBoth()
       BLOCK_BODY
@@ -41,3 +47,6 @@ FILE /qualifiedSuperCalls.kt
                 $this: GET_VAR '<receiver: CBoth>' type=CBoth origin=null
               other: CALL '<get-bar>(): Int' superQualifier=IRight type=kotlin.Int origin=GET_PROPERTY
                 $this: GET_VAR '<receiver: CBoth>' type=CBoth origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/sealedClasses.txt b/compiler/testData/ir/irText/classes/sealedClasses.txt
index c708a8d1d7a..71bb1c6aed7 100644
--- a/compiler/testData/ir/irText/classes/sealedClasses.txt
+++ b/compiler/testData/ir/irText/classes/sealedClasses.txt
@@ -20,6 +20,9 @@ FILE /sealedClasses.kt
             RETURN type=kotlin.Nothing from='<get-number>(): Double'
               GET_FIELD 'number: Double' type=kotlin.Double origin=null
                 receiver: GET_VAR '<receiver: Const>' type=Expr.Const origin=null
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     CLASS CLASS Sum
       CONSTRUCTOR public constructor Sum(e1: Expr, e2: Expr)
         VALUE_PARAMETER value-parameter e1: Expr
@@ -47,8 +50,17 @@ FILE /sealedClasses.kt
             RETURN type=kotlin.Nothing from='<get-e2>(): Expr'
               GET_FIELD 'e2: Expr' type=Expr origin=null
                 receiver: GET_VAR '<receiver: Sum>' type=Expr.Sum origin=null
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     CLASS OBJECT NotANumber
       CONSTRUCTOR private constructor NotANumber()
         BLOCK_BODY
           DELEGATING_CONSTRUCTOR_CALL 'constructor Expr()'
           INSTANCE_INITIALIZER_CALL classDescriptor='NotANumber'
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/secondaryConstructorWithInitializersFromClassBody.txt b/compiler/testData/ir/irText/classes/secondaryConstructorWithInitializersFromClassBody.txt
index fe7d6bbef8a..a20dcfc4321 100644
--- a/compiler/testData/ir/irText/classes/secondaryConstructorWithInitializersFromClassBody.txt
+++ b/compiler/testData/ir/irText/classes/secondaryConstructorWithInitializersFromClassBody.txt
@@ -4,6 +4,9 @@ FILE /secondaryConstructorWithInitializersFromClassBody.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='Base'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS TestProperty
     PROPERTY public final val x: kotlin.Int = 0
       FIELD PROPERTY_BACKING_FIELD public final val x: kotlin.Int = 0
@@ -19,6 +22,9 @@ FILE /secondaryConstructorWithInitializersFromClassBody.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Base()'
         INSTANCE_INITIALIZER_CALL classDescriptor='TestProperty'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS TestInitBlock
     PROPERTY public final val x: kotlin.Int
       FIELD PROPERTY_BACKING_FIELD public final val x: kotlin.Int
@@ -46,3 +52,6 @@ FILE /secondaryConstructorWithInitializersFromClassBody.kt
       VALUE_PARAMETER value-parameter y: kotlin.Int
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor TestInitBlock()'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/secondaryConstructors.txt b/compiler/testData/ir/irText/classes/secondaryConstructors.txt
index f333781e59a..d64951a2d55 100644
--- a/compiler/testData/ir/irText/classes/secondaryConstructors.txt
+++ b/compiler/testData/ir/irText/classes/secondaryConstructors.txt
@@ -9,3 +9,6 @@ FILE /secondaryConstructors.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='C'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/classes/superCalls.txt b/compiler/testData/ir/irText/classes/superCalls.txt
index 0975e2d3d99..2252b9b9501 100644
--- a/compiler/testData/ir/irText/classes/superCalls.txt
+++ b/compiler/testData/ir/irText/classes/superCalls.txt
@@ -17,6 +17,9 @@ FILE /superCalls.kt
           RETURN type=kotlin.Nothing from='<get-bar>(): String'
             GET_FIELD 'bar: String' type=kotlin.String origin=null
               receiver: GET_VAR '<receiver: Base>' type=Base origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Derived
     CONSTRUCTOR public constructor Derived()
       BLOCK_BODY
@@ -34,3 +37,6 @@ FILE /superCalls.kt
           RETURN type=kotlin.Nothing from='<get-bar>(): String'
             CALL '<get-bar>(): String' superQualifier=Base type=kotlin.String origin=GET_PROPERTY
               $this: GET_VAR '<receiver: Derived>' type=Derived origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/declarations/classLevelProperties.txt b/compiler/testData/ir/irText/declarations/classLevelProperties.txt
index ca7f9344ec0..a62ea79f61e 100644
--- a/compiler/testData/ir/irText/declarations/classLevelProperties.txt
+++ b/compiler/testData/ir/irText/declarations/classLevelProperties.txt
@@ -130,3 +130,6 @@ FILE /classLevelProperties.kt
               thisRef: GET_VAR '<receiver: C>' type=C origin=null
               property: CALLABLE_REFERENCE 'test8: Int' type=kotlin.reflect.KMutableProperty1<C, kotlin.Int> origin=PROPERTY_REFERENCE_FOR_DELEGATE
               value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/declarations/delegatedProperties.txt b/compiler/testData/ir/irText/declarations/delegatedProperties.txt
index ca32fd5176d..d3d3d487ff1 100644
--- a/compiler/testData/ir/irText/declarations/delegatedProperties.txt
+++ b/compiler/testData/ir/irText/declarations/delegatedProperties.txt
@@ -82,6 +82,9 @@ FILE /delegatedProperties.kt
               thisRef: GET_VAR '<receiver: C>' type=C origin=null
               property: CALLABLE_REFERENCE 'test3: Any' type=kotlin.reflect.KMutableProperty1<C, kotlin.Any> origin=PROPERTY_REFERENCE_FOR_DELEGATE
               value: GET_VAR 'value-parameter <set-?>: Any' type=kotlin.Any origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   PROPERTY public var test4: kotlin.Any
     FIELD DELEGATE val `test4$delegate`: kotlin.collections.HashMap<kotlin.String, kotlin.Any> /* = java.util.HashMap<kotlin.String, kotlin.Any> */
       EXPRESSION_BODY
diff --git a/compiler/testData/ir/irText/declarations/fakeOverrides.kt b/compiler/testData/ir/irText/declarations/fakeOverrides.kt
new file mode 100644
index 00000000000..c66bdecee49
--- /dev/null
+++ b/compiler/testData/ir/irText/declarations/fakeOverrides.kt
@@ -0,0 +1,15 @@
+interface IFooStr {
+    fun foo(x: String)
+}
+
+interface IBar {
+    val bar: Int
+}
+
+abstract class CFoo<T> {
+    fun foo(x: T) {}
+}
+
+class Test1 : CFoo<String>(), IFooStr, IBar {
+    override val bar: Int = 42
+}
\ No newline at end of file
diff --git a/compiler/testData/ir/irText/declarations/fakeOverrides.txt b/compiler/testData/ir/irText/declarations/fakeOverrides.txt
new file mode 100644
index 00000000000..d2c5575c164
--- /dev/null
+++ b/compiler/testData/ir/irText/declarations/fakeOverrides.txt
@@ -0,0 +1,53 @@
+FILE /fakeOverrides.kt
+  CLASS INTERFACE IFooStr
+    FUN public abstract fun foo(x: kotlin.String): kotlin.Unit
+      $this: VALUE_PARAMETER <receiver: IFooStr>
+      VALUE_PARAMETER value-parameter x: kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+  CLASS INTERFACE IBar
+    PROPERTY public abstract val bar: kotlin.Int
+      FUN DEFAULT_PROPERTY_ACCESSOR public abstract fun <get-bar>(): kotlin.Int
+        $this: VALUE_PARAMETER <receiver: IBar>
+        BLOCK_BODY
+          RETURN type=kotlin.Nothing from='<get-bar>(): Int'
+            GET_FIELD 'bar: Int' type=kotlin.Int origin=null
+              receiver: GET_VAR '<receiver: IBar>' type=IBar origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+  CLASS CLASS CFoo
+    TYPE_PARAMETER <T>
+    CONSTRUCTOR public constructor CFoo<T>()
+      TYPE_PARAMETER <T>
+      BLOCK_BODY
+        DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
+        INSTANCE_INITIALIZER_CALL classDescriptor='CFoo'
+    FUN public final fun foo(x: T): kotlin.Unit
+      $this: VALUE_PARAMETER <receiver: CFoo>
+      VALUE_PARAMETER value-parameter x: T
+      BLOCK_BODY
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+  CLASS CLASS Test1
+    CONSTRUCTOR public constructor Test1()
+      BLOCK_BODY
+        DELEGATING_CONSTRUCTOR_CALL 'constructor CFoo()'
+          <T>: String
+        INSTANCE_INITIALIZER_CALL classDescriptor='Test1'
+    PROPERTY public open override val bar: kotlin.Int = 42
+      FIELD PROPERTY_BACKING_FIELD public open override val bar: kotlin.Int = 42
+        EXPRESSION_BODY
+          CONST Int type=kotlin.Int value='42'
+      FUN DEFAULT_PROPERTY_ACCESSOR public open override fun <get-bar>(): kotlin.Int
+        $this: VALUE_PARAMETER <receiver: Test1>
+        BLOCK_BODY
+          RETURN type=kotlin.Nothing from='<get-bar>(): Int'
+            GET_FIELD 'bar: Int' type=kotlin.Int origin=null
+              receiver: GET_VAR '<receiver: Test1>' type=Test1 origin=null
+    FUN FAKE_OVERRIDE public final override fun foo(x: kotlin.String): kotlin.Unit
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/declarations/interfaceProperties.txt b/compiler/testData/ir/irText/declarations/interfaceProperties.txt
index 2f2836e5aee..76b2f7d3281 100644
--- a/compiler/testData/ir/irText/declarations/interfaceProperties.txt
+++ b/compiler/testData/ir/irText/declarations/interfaceProperties.txt
@@ -37,3 +37,6 @@ FILE /interfaceProperties.kt
         $this: VALUE_PARAMETER <receiver: C>
         VALUE_PARAMETER value-parameter value: kotlin.Int
         BLOCK_BODY
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/declarations/parameters/class.txt b/compiler/testData/ir/irText/declarations/parameters/class.txt
index 1a18b0a4642..8a562ab9a94 100644
--- a/compiler/testData/ir/irText/declarations/parameters/class.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/class.txt
@@ -3,6 +3,12 @@ FILE /class.kt
     TYPE_PARAMETER <T>
     CLASS INTERFACE TestNestedInterface
       TYPE_PARAMETER <TT>
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Test
     TYPE_PARAMETER <T0>
     CONSTRUCTOR public constructor Test<T0>()
@@ -17,6 +23,9 @@ FILE /class.kt
         BLOCK_BODY
           DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
           INSTANCE_INITIALIZER_CALL classDescriptor='TestNested'
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     CLASS CLASS TestInner
       TYPE_PARAMETER <T2>
       CONSTRUCTOR public constructor TestInner<T2>()
@@ -25,3 +34,9 @@ FILE /class.kt
         BLOCK_BODY
           DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
           INSTANCE_INITIALIZER_CALL classDescriptor='TestInner'
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/declarations/parameters/constructor.txt b/compiler/testData/ir/irText/declarations/parameters/constructor.txt
index ade3ecad840..08fa083ccad 100644
--- a/compiler/testData/ir/irText/declarations/parameters/constructor.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/constructor.txt
@@ -30,6 +30,9 @@ FILE /constructor.kt
           RETURN type=kotlin.Nothing from='<get-y>(): T2'
             GET_FIELD 'y: T2' type=T2 origin=null
               receiver: GET_VAR '<receiver: Test1>' type=Test1<T1, T2> origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Test2
     CONSTRUCTOR public constructor Test2(x: kotlin.Int, y: kotlin.String)
       VALUE_PARAMETER value-parameter x: kotlin.Int
@@ -76,6 +79,12 @@ FILE /constructor.kt
             <Z>: Z
             $this: GET_VAR '<receiver: Test2>' type=Test2 origin=null
             z: GET_VAR 'value-parameter z: Z' type=Z origin=null
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Test3
     CONSTRUCTOR public constructor Test3(x: kotlin.Int, y: kotlin.String = ...)
       VALUE_PARAMETER value-parameter x: kotlin.Int
@@ -105,6 +114,9 @@ FILE /constructor.kt
           RETURN type=kotlin.Nothing from='<get-y>(): String'
             GET_FIELD 'y: String' type=kotlin.String origin=null
               receiver: GET_VAR '<receiver: Test3>' type=Test3 origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Test4
     TYPE_PARAMETER <T>
     CONSTRUCTOR public constructor Test4<T>(x: kotlin.Int)
@@ -135,3 +147,6 @@ FILE /constructor.kt
           x: CALL 'plus(Int): Int' type=kotlin.Int origin=PLUS
             $this: GET_VAR 'value-parameter x: Int' type=kotlin.Int origin=null
             other: GET_VAR 'value-parameter y: Int = ...' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/declarations/parameters/defaultPropertyAccessors.txt b/compiler/testData/ir/irText/declarations/parameters/defaultPropertyAccessors.txt
index fb7bf5ae7cf..03bfcbf6b7f 100644
--- a/compiler/testData/ir/irText/declarations/parameters/defaultPropertyAccessors.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/defaultPropertyAccessors.txt
@@ -52,6 +52,9 @@ FILE /defaultPropertyAccessors.kt
           SET_FIELD 'testMember2: Int' type=kotlin.Unit origin=null
             receiver: GET_VAR '<receiver: Host>' type=Host origin=null
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS InPrimaryCtor
     TYPE_PARAMETER <T>
     CONSTRUCTOR public constructor InPrimaryCtor<T>(testInPrimaryCtor1: T, testInPrimaryCtor2: kotlin.Int = ...)
@@ -90,3 +93,6 @@ FILE /defaultPropertyAccessors.kt
           SET_FIELD 'testInPrimaryCtor2: Int' type=kotlin.Unit origin=null
             receiver: GET_VAR '<receiver: InPrimaryCtor>' type=InPrimaryCtor<T> origin=null
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/declarations/parameters/delegatedMembers.txt b/compiler/testData/ir/irText/declarations/parameters/delegatedMembers.txt
index 296efc71936..4813768ef8c 100644
--- a/compiler/testData/ir/irText/declarations/parameters/delegatedMembers.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/delegatedMembers.txt
@@ -16,6 +16,9 @@ FILE /delegatedMembers.kt
       $this: VALUE_PARAMETER <receiver: IBase>
       VALUE_PARAMETER value-parameter t: T
       VALUE_PARAMETER value-parameter x: X
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Test
     TYPE_PARAMETER <TT>
     CONSTRUCTOR public constructor Test<TT>(impl: IBase<TT>)
@@ -55,3 +58,6 @@ FILE /delegatedMembers.kt
             CALL '<get-bar>(): Int' type=kotlin.Int origin=null
               $this: GET_FIELD '`Test$IBase$delegate`: IBase<TT>' type=IBase<TT> origin=null
                 receiver: GET_VAR '<receiver: Test>' type=Test<TT> origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/declarations/parameters/fun.txt b/compiler/testData/ir/irText/declarations/parameters/fun.txt
index 5404345f27e..74f942bf7e0 100644
--- a/compiler/testData/ir/irText/declarations/parameters/fun.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/fun.txt
@@ -38,3 +38,6 @@ FILE /fun.kt
       VALUE_PARAMETER value-parameter i: kotlin.Int
       VALUE_PARAMETER value-parameter j: T
       BLOCK_BODY
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/declarations/parameters/propertyAccessors.txt b/compiler/testData/ir/irText/declarations/parameters/propertyAccessors.txt
index 9150ad1d94c..2276ac20587 100644
--- a/compiler/testData/ir/irText/declarations/parameters/propertyAccessors.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/propertyAccessors.txt
@@ -105,3 +105,6 @@ FILE /propertyAccessors.kt
         $receiver: VALUE_PARAMETER <receiver: testMemExt4: Int on TT>
         VALUE_PARAMETER value-parameter value: kotlin.Int
         BLOCK_BODY
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/declarations/primaryCtorDefaultArguments.txt b/compiler/testData/ir/irText/declarations/primaryCtorDefaultArguments.txt
index 40f186e5d47..d21359e505c 100644
--- a/compiler/testData/ir/irText/declarations/primaryCtorDefaultArguments.txt
+++ b/compiler/testData/ir/irText/declarations/primaryCtorDefaultArguments.txt
@@ -17,3 +17,6 @@ FILE /primaryCtorDefaultArguments.kt
           RETURN type=kotlin.Nothing from='<get-x>(): Int'
             GET_FIELD 'x: Int' type=kotlin.Int origin=null
               receiver: GET_VAR '<receiver: Test>' type=Test origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/declarations/primaryCtorProperties.txt b/compiler/testData/ir/irText/declarations/primaryCtorProperties.txt
index cb9fe2251a0..5b697dfdca9 100644
--- a/compiler/testData/ir/irText/declarations/primaryCtorProperties.txt
+++ b/compiler/testData/ir/irText/declarations/primaryCtorProperties.txt
@@ -33,3 +33,6 @@ FILE /primaryCtorProperties.kt
           SET_FIELD 'test2: Int' type=kotlin.Unit origin=null
             receiver: GET_VAR '<receiver: C>' type=C origin=null
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/differentReceivers.txt b/compiler/testData/ir/irText/declarations/provideDelegate/differentReceivers.txt
index 82b621aacff..f7c3e6a8580 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/differentReceivers.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/differentReceivers.txt
@@ -15,6 +15,9 @@ FILE /differentReceivers.kt
           RETURN type=kotlin.Nothing from='<get-value>(): String'
             GET_FIELD 'value: String' type=kotlin.String origin=null
               receiver: GET_VAR '<receiver: MyClass>' type=MyClass origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public operator fun MyClass.provideDelegate(host: kotlin.Any?, p: kotlin.Any): kotlin.String
     $receiver: VALUE_PARAMETER <receiver: provideDelegate(Any?, Any) on MyClass: String>
     VALUE_PARAMETER value-parameter host: kotlin.Any?
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/local.txt b/compiler/testData/ir/irText/declarations/provideDelegate/local.txt
index d1abfe857e4..c240ddf9c4d 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/local.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/local.txt
@@ -23,6 +23,9 @@ FILE /local.kt
         RETURN type=kotlin.Nothing from='getValue(Any?, Any?): String'
           CALL '<get-value>(): String' type=kotlin.String origin=GET_PROPERTY
             $this: GET_VAR '<receiver: Delegate>' type=Delegate origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS DelegateProvider
     CONSTRUCTOR public constructor DelegateProvider(value: kotlin.String)
       VALUE_PARAMETER value-parameter value: kotlin.String
@@ -48,6 +51,9 @@ FILE /local.kt
           CALL 'constructor Delegate(String)' type=Delegate origin=null
             value: CALL '<get-value>(): String' type=kotlin.String origin=GET_PROPERTY
               $this: GET_VAR '<receiver: DelegateProvider>' type=DelegateProvider origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun foo(): kotlin.Unit
     BLOCK_BODY
       LOCAL_DELEGATED_PROPERTY val testMember: kotlin.String
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/localDifferentReceivers.txt b/compiler/testData/ir/irText/declarations/provideDelegate/localDifferentReceivers.txt
index 6145c61b10a..da8994c6545 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/localDifferentReceivers.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/localDifferentReceivers.txt
@@ -15,6 +15,9 @@ FILE /localDifferentReceivers.kt
           RETURN type=kotlin.Nothing from='<get-value>(): String'
             GET_FIELD 'value: String' type=kotlin.String origin=null
               receiver: GET_VAR '<receiver: MyClass>' type=MyClass origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public operator fun MyClass.provideDelegate(host: kotlin.Any?, p: kotlin.Any): kotlin.String
     $receiver: VALUE_PARAMETER <receiver: provideDelegate(Any?, Any) on MyClass: String>
     VALUE_PARAMETER value-parameter host: kotlin.Any?
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/member.txt b/compiler/testData/ir/irText/declarations/provideDelegate/member.txt
index 9e15dafe257..5adcd41e40e 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/member.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/member.txt
@@ -23,6 +23,9 @@ FILE /member.kt
         RETURN type=kotlin.Nothing from='getValue(Any?, Any?): String'
           CALL '<get-value>(): String' type=kotlin.String origin=GET_PROPERTY
             $this: GET_VAR '<receiver: Delegate>' type=Delegate origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS DelegateProvider
     CONSTRUCTOR public constructor DelegateProvider(value: kotlin.String)
       VALUE_PARAMETER value-parameter value: kotlin.String
@@ -48,6 +51,9 @@ FILE /member.kt
           CALL 'constructor Delegate(String)' type=Delegate origin=null
             value: CALL '<get-value>(): String' type=kotlin.String origin=GET_PROPERTY
               $this: GET_VAR '<receiver: DelegateProvider>' type=DelegateProvider origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS Host
     CONSTRUCTOR public constructor Host()
       BLOCK_BODY
@@ -70,3 +76,6 @@ FILE /member.kt
                 receiver: GET_VAR '<receiver: Host>' type=Host origin=null
               thisRef: GET_VAR '<receiver: Host>' type=Host origin=null
               property: CALLABLE_REFERENCE 'testMember: String' type=kotlin.reflect.KProperty1<Host, kotlin.String> origin=PROPERTY_REFERENCE_FOR_DELEGATE
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/memberExtension.txt b/compiler/testData/ir/irText/declarations/provideDelegate/memberExtension.txt
index f8a7cf94266..1ac80087297 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/memberExtension.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/memberExtension.txt
@@ -30,6 +30,9 @@ FILE /memberExtension.kt
               $this: GET_VAR 'value-parameter receiver: String' type=kotlin.String origin=null
               other: CALL '<get-s>(): String' type=kotlin.String origin=GET_PROPERTY
                 $this: GET_VAR '<receiver: StringDelegate>' type=Host.StringDelegate origin=null
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     FUN public final operator fun kotlin.String.provideDelegate(host: kotlin.Any?, p: kotlin.Any): Host.StringDelegate
       $this: VALUE_PARAMETER <receiver: Host>
       $receiver: VALUE_PARAMETER <receiver: provideDelegate(Any?, Any) on String: Host.StringDelegate>
@@ -69,3 +72,6 @@ FILE /memberExtension.kt
           RETURN type=kotlin.Nothing from='<get-ok>(): String'
             GET_FIELD 'ok: String' type=kotlin.String origin=null
               receiver: GET_VAR '<receiver: Host>' type=Host origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/topLevel.txt b/compiler/testData/ir/irText/declarations/provideDelegate/topLevel.txt
index 8beb2e14e79..2f95d806f77 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/topLevel.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/topLevel.txt
@@ -23,6 +23,9 @@ FILE /topLevel.kt
         RETURN type=kotlin.Nothing from='getValue(Any?, Any?): String'
           CALL '<get-value>(): String' type=kotlin.String origin=GET_PROPERTY
             $this: GET_VAR '<receiver: Delegate>' type=Delegate origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS DelegateProvider
     CONSTRUCTOR public constructor DelegateProvider(value: kotlin.String)
       VALUE_PARAMETER value-parameter value: kotlin.String
@@ -48,6 +51,9 @@ FILE /topLevel.kt
           CALL 'constructor Delegate(String)' type=Delegate origin=null
             value: CALL '<get-value>(): String' type=kotlin.String origin=GET_PROPERTY
               $this: GET_VAR '<receiver: DelegateProvider>' type=DelegateProvider origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   PROPERTY public val testTopLevel: kotlin.String
     FIELD DELEGATE val `testTopLevel$delegate`: Delegate
       EXPRESSION_BODY
diff --git a/compiler/testData/ir/irText/declarations/typeAlias.txt b/compiler/testData/ir/irText/declarations/typeAlias.txt
index 9bc114fd2e9..8a1a38c1497 100644
--- a/compiler/testData/ir/irText/declarations/typeAlias.txt
+++ b/compiler/testData/ir/irText/declarations/typeAlias.txt
@@ -9,3 +9,6 @@ FILE /typeAlias.kt
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='C'
     TYPEALIAS typealias TestNested = String type=kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/errors/suppressedNonPublicCall.txt b/compiler/testData/ir/irText/errors/suppressedNonPublicCall.txt
index b904d1eed06..8635bbac61a 100644
--- a/compiler/testData/ir/irText/errors/suppressedNonPublicCall.txt
+++ b/compiler/testData/ir/irText/errors/suppressedNonPublicCall.txt
@@ -7,6 +7,9 @@ FILE /suppressedNonPublicCall.kt
     FUN internal final fun bar(): kotlin.Unit
       $this: VALUE_PARAMETER <receiver: C>
       BLOCK_BODY
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public inline fun C.foo(): kotlin.Unit
     $receiver: VALUE_PARAMETER <receiver: foo() on C: Unit>
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment1.txt b/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment1.txt
index 76039929072..b5809d63fae 100644
--- a/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment1.txt
+++ b/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment1.txt
@@ -27,6 +27,9 @@ FILE /arrayAugmentedAssignment1.kt
           RETURN type=kotlin.Nothing from='<get-x>(): IntArray'
             GET_FIELD 'x: IntArray' type=kotlin.IntArray origin=null
               receiver: GET_VAR '<receiver: C>' type=C origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun testVariable(): kotlin.Unit
     BLOCK_BODY
       VAR var x: kotlin.IntArray
diff --git a/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment2.txt b/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment2.txt
index df279a5e941..42ba0e69b61 100644
--- a/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment2.txt
+++ b/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment2.txt
@@ -3,12 +3,18 @@ FILE /arrayAugmentedAssignment2.kt
     FUN public abstract operator fun get(index: kotlin.String): kotlin.Int
       $this: VALUE_PARAMETER <receiver: IA>
       VALUE_PARAMETER value-parameter index: kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS INTERFACE IB
     FUN public abstract operator fun IA.set(index: kotlin.String, value: kotlin.Int): kotlin.Unit
       $this: VALUE_PARAMETER <receiver: IB>
       $receiver: VALUE_PARAMETER <receiver: set(String, Int) on IA: Unit>
       VALUE_PARAMETER value-parameter index: kotlin.String
       VALUE_PARAMETER value-parameter value: kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun IB.test(a: IA): kotlin.Unit
     $receiver: VALUE_PARAMETER <receiver: test(IA) on IB: Unit>
     VALUE_PARAMETER value-parameter a: IA
diff --git a/compiler/testData/ir/irText/expressions/assignments.txt b/compiler/testData/ir/irText/expressions/assignments.txt
index 0924e8c5501..6667e517853 100644
--- a/compiler/testData/ir/irText/expressions/assignments.txt
+++ b/compiler/testData/ir/irText/expressions/assignments.txt
@@ -22,6 +22,9 @@ FILE /assignments.kt
           SET_FIELD 'x: Int' type=kotlin.Unit origin=null
             receiver: GET_VAR '<receiver: Ref>' type=Ref origin=null
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun test1(): kotlin.Unit
     BLOCK_BODY
       VAR var x: kotlin.Int
diff --git a/compiler/testData/ir/irText/expressions/augmentedAssignment2.txt b/compiler/testData/ir/irText/expressions/augmentedAssignment2.txt
index 38dccd17831..db41c39a582 100644
--- a/compiler/testData/ir/irText/expressions/augmentedAssignment2.txt
+++ b/compiler/testData/ir/irText/expressions/augmentedAssignment2.txt
@@ -4,6 +4,9 @@ FILE /augmentedAssignment2.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public operator fun A.plusAssign(s: kotlin.String): kotlin.Unit
     $receiver: VALUE_PARAMETER <receiver: plusAssign(String) on A: Unit>
     VALUE_PARAMETER value-parameter s: kotlin.String
diff --git a/compiler/testData/ir/irText/expressions/augmentedAssignmentWithExpression.txt b/compiler/testData/ir/irText/expressions/augmentedAssignmentWithExpression.txt
index d9cbb532eb4..4b34f8d6e7f 100644
--- a/compiler/testData/ir/irText/expressions/augmentedAssignmentWithExpression.txt
+++ b/compiler/testData/ir/irText/expressions/augmentedAssignmentWithExpression.txt
@@ -14,6 +14,9 @@ FILE /augmentedAssignmentWithExpression.kt
         CALL 'plusAssign(Int): Unit' type=kotlin.Unit origin=PLUSEQ
           $this: GET_VAR '<receiver: Host>' type=Host origin=null
           x: CONST Int type=kotlin.Int value='1'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun foo(): Host
     BLOCK_BODY
       RETURN type=kotlin.Nothing from='foo(): Host'
diff --git a/compiler/testData/ir/irText/expressions/boundCallableReferences.txt b/compiler/testData/ir/irText/expressions/boundCallableReferences.txt
index 715a775170f..1bc231026ff 100644
--- a/compiler/testData/ir/irText/expressions/boundCallableReferences.txt
+++ b/compiler/testData/ir/irText/expressions/boundCallableReferences.txt
@@ -17,6 +17,9 @@ FILE /boundCallableReferences.kt
           RETURN type=kotlin.Nothing from='<get-bar>(): Int'
             GET_FIELD 'bar: Int' type=kotlin.Int origin=null
               receiver: GET_VAR '<receiver: A>' type=A origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun A.qux(): kotlin.Unit
     $receiver: VALUE_PARAMETER <receiver: qux() on A: Unit>
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/chainOfSafeCalls.txt b/compiler/testData/ir/irText/expressions/chainOfSafeCalls.txt
index 2b6b5e55df6..e03968605bb 100644
--- a/compiler/testData/ir/irText/expressions/chainOfSafeCalls.txt
+++ b/compiler/testData/ir/irText/expressions/chainOfSafeCalls.txt
@@ -14,6 +14,9 @@ FILE /chainOfSafeCalls.kt
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='bar(): C?'
           GET_VAR '<receiver: C>' type=C origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun test(nc: C?): C?
     VALUE_PARAMETER value-parameter nc: C?
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/classReference.txt b/compiler/testData/ir/irText/expressions/classReference.txt
index 35f960cd982..fb421409ec1 100644
--- a/compiler/testData/ir/irText/expressions/classReference.txt
+++ b/compiler/testData/ir/irText/expressions/classReference.txt
@@ -4,6 +4,9 @@ FILE /classReference.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun test(): kotlin.Unit
     BLOCK_BODY
       TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
diff --git a/compiler/testData/ir/irText/expressions/complexAugmentedAssignment.txt b/compiler/testData/ir/irText/expressions/complexAugmentedAssignment.txt
index 67e236019a4..ee6009b46a8 100644
--- a/compiler/testData/ir/irText/expressions/complexAugmentedAssignment.txt
+++ b/compiler/testData/ir/irText/expressions/complexAugmentedAssignment.txt
@@ -65,6 +65,15 @@ FILE /complexAugmentedAssignment.kt
               SET_FIELD 'x3: Int' type=kotlin.Unit origin=null
                 receiver: GET_VAR '<receiver: X3>' type=X1.X2.X3 origin=null
                 value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
+        FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+        FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+        FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun test1(a: kotlin.IntArray): kotlin.Unit
     VALUE_PARAMETER value-parameter a: kotlin.IntArray
     BLOCK_BODY
@@ -158,6 +167,9 @@ FILE /complexAugmentedAssignment.kt
           SET_FIELD 's: Int' type=kotlin.Unit origin=null
             receiver: GET_VAR '<receiver: B>' type=B origin=null
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS OBJECT Host
     CONSTRUCTOR private constructor Host()
       BLOCK_BODY
@@ -178,6 +190,9 @@ FILE /complexAugmentedAssignment.kt
                 $this: GET_VAR 'tmp0_this: B' type=B origin=null
               other: CALL '<get-s>(): Int' type=kotlin.Int origin=GET_PROPERTY
                 $this: GET_VAR 'value-parameter b: B' type=B origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun Host.test3(v: B): kotlin.Unit
     $receiver: VALUE_PARAMETER <receiver: test3(B) on Host: Unit>
     VALUE_PARAMETER value-parameter v: B
diff --git a/compiler/testData/ir/irText/expressions/contructorCall.txt b/compiler/testData/ir/irText/expressions/contructorCall.txt
index 059b6696cc2..954e3c6d845 100644
--- a/compiler/testData/ir/irText/expressions/contructorCall.txt
+++ b/compiler/testData/ir/irText/expressions/contructorCall.txt
@@ -4,6 +4,9 @@ FILE /contructorCall.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   PROPERTY public val test: A
     FIELD PROPERTY_BACKING_FIELD public val test: A
       EXPRESSION_BODY
diff --git a/compiler/testData/ir/irText/expressions/conventionComparisons.txt b/compiler/testData/ir/irText/expressions/conventionComparisons.txt
index c25016cbcd5..691595eb624 100644
--- a/compiler/testData/ir/irText/expressions/conventionComparisons.txt
+++ b/compiler/testData/ir/irText/expressions/conventionComparisons.txt
@@ -1,10 +1,16 @@
 FILE /conventionComparisons.kt
   CLASS INTERFACE IA
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS INTERFACE IB
     FUN public abstract operator fun IA.compareTo(other: IA): kotlin.Int
       $this: VALUE_PARAMETER <receiver: IB>
       $receiver: VALUE_PARAMETER <receiver: compareTo(IA) on IA: Int>
       VALUE_PARAMETER value-parameter other: IA
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun IB.test1(a1: IA, a2: IA): kotlin.Boolean
     $receiver: VALUE_PARAMETER <receiver: test1(IA, IA) on IB: Boolean>
     VALUE_PARAMETER value-parameter a1: IA
diff --git a/compiler/testData/ir/irText/expressions/destructuring1.txt b/compiler/testData/ir/irText/expressions/destructuring1.txt
index 30919374b96..cd1fc57942a 100644
--- a/compiler/testData/ir/irText/expressions/destructuring1.txt
+++ b/compiler/testData/ir/irText/expressions/destructuring1.txt
@@ -4,6 +4,9 @@ FILE /destructuring1.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS OBJECT B
     CONSTRUCTOR private constructor B()
       BLOCK_BODY
@@ -21,6 +24,9 @@ FILE /destructuring1.kt
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='component2() on A: Int'
           CONST Int type=kotlin.Int value='2'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun B.test(): kotlin.Unit
     $receiver: VALUE_PARAMETER <receiver: test() on B: Unit>
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/destructuringWithUnderscore.txt b/compiler/testData/ir/irText/expressions/destructuringWithUnderscore.txt
index 76bdbe6ae0c..e003c78e26f 100644
--- a/compiler/testData/ir/irText/expressions/destructuringWithUnderscore.txt
+++ b/compiler/testData/ir/irText/expressions/destructuringWithUnderscore.txt
@@ -4,6 +4,9 @@ FILE /destructuringWithUnderscore.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS OBJECT B
     CONSTRUCTOR private constructor B()
       BLOCK_BODY
@@ -27,6 +30,9 @@ FILE /destructuringWithUnderscore.kt
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='component3() on A: Int'
           CONST Int type=kotlin.Int value='3'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun B.test(): kotlin.Unit
     $receiver: VALUE_PARAMETER <receiver: test() on B: Unit>
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/forWithImplicitReceivers.txt b/compiler/testData/ir/irText/expressions/forWithImplicitReceivers.txt
index ba59479ec68..3dc9f9aa42a 100644
--- a/compiler/testData/ir/irText/expressions/forWithImplicitReceivers.txt
+++ b/compiler/testData/ir/irText/expressions/forWithImplicitReceivers.txt
@@ -4,6 +4,9 @@ FILE /forWithImplicitReceivers.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='FiveTimes'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS CLASS IntCell
     CONSTRUCTOR public constructor IntCell(value: kotlin.Int)
       VALUE_PARAMETER value-parameter value: kotlin.Int
@@ -27,6 +30,9 @@ FILE /forWithImplicitReceivers.kt
           SET_FIELD 'value: Int' type=kotlin.Unit origin=null
             receiver: GET_VAR '<receiver: IntCell>' type=IntCell origin=null
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS INTERFACE IReceiver
     FUN public open operator fun FiveTimes.iterator(): IntCell
       $this: VALUE_PARAMETER <receiver: IReceiver>
@@ -62,6 +68,9 @@ FILE /forWithImplicitReceivers.kt
                 <set-?>: CALL 'dec(): Int' type=kotlin.Int origin=POSTFIX_DECR
                   $this: GET_VAR 'tmp1: Int' type=kotlin.Int origin=null
               GET_VAR 'tmp1: Int' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun IReceiver.test(): kotlin.Unit
     $receiver: VALUE_PARAMETER <receiver: test() on IReceiver: Unit>
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/jvmInstanceFieldReference.txt b/compiler/testData/ir/irText/expressions/jvmInstanceFieldReference.txt
index e066fbfe0cf..6fef6efc9b4 100644
--- a/compiler/testData/ir/irText/expressions/jvmInstanceFieldReference.txt
+++ b/compiler/testData/ir/irText/expressions/jvmInstanceFieldReference.txt
@@ -22,3 +22,7 @@ FILE /Derived.kt
         SET_FIELD 'value: Int' type=kotlin.Unit origin=EQ
           receiver: GET_VAR '<receiver: Derived>' type=Derived origin=null
           value: GET_VAR 'value-parameter value: Int' type=kotlin.Int origin=null
+    PROPERTY FAKE_OVERRIDE public final override var value: kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/expressions/jvmStaticFieldReference.txt b/compiler/testData/ir/irText/expressions/jvmStaticFieldReference.txt
index cd71df883f1..7ea34c12c73 100644
--- a/compiler/testData/ir/irText/expressions/jvmStaticFieldReference.txt
+++ b/compiler/testData/ir/irText/expressions/jvmStaticFieldReference.txt
@@ -50,3 +50,6 @@ FILE /jvmStaticFieldReference.kt
           $this: TYPE_OP type=java.io.PrintStream origin=IMPLICIT_NOTNULL typeOperand=java.io.PrintStream
             GET_FIELD 'out: PrintStream!' type=java.io.PrintStream! origin=GET_PROPERTY
           p0: CONST String type=kotlin.String value='TestClass/init'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/expressions/membersImportedFromObject.txt b/compiler/testData/ir/irText/expressions/membersImportedFromObject.txt
index 8f37c291d39..c5efb795c9c 100644
--- a/compiler/testData/ir/irText/expressions/membersImportedFromObject.txt
+++ b/compiler/testData/ir/irText/expressions/membersImportedFromObject.txt
@@ -32,6 +32,9 @@ FILE /membersImportedFromObject.kt
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='<get-barExt>() on Int: Int'
             CONST Int type=kotlin.Int value='43'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   PROPERTY public val test1: kotlin.Int
     FIELD PROPERTY_BACKING_FIELD public val test1: kotlin.Int
       EXPRESSION_BODY
diff --git a/compiler/testData/ir/irText/expressions/objectAsCallable.txt b/compiler/testData/ir/irText/expressions/objectAsCallable.txt
index 3db13ccf9f9..e8856ec380b 100644
--- a/compiler/testData/ir/irText/expressions/objectAsCallable.txt
+++ b/compiler/testData/ir/irText/expressions/objectAsCallable.txt
@@ -4,6 +4,9 @@ FILE /objectAsCallable.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS ENUM_CLASS En
     CONSTRUCTOR private constructor En()
       BLOCK_BODY
@@ -11,6 +14,17 @@ FILE /objectAsCallable.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='En'
     ENUM_ENTRY enum entry X
       init: ENUM_CONSTRUCTOR_CALL 'constructor En()'
+    FUN FAKE_OVERRIDE protected final override fun clone(): kotlin.Any
+    FUN FAKE_OVERRIDE protected/*protected and package*/ final override fun finalize(): kotlin.Unit
+    FUN FAKE_OVERRIDE public final override fun getDeclaringClass(): java.lang.Class<En!>!
+    FUN FAKE_OVERRIDE public final override fun compareTo(other: En): kotlin.Int
+    FUN FAKE_OVERRIDE public final override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public final override fun hashCode(): kotlin.Int
+    PROPERTY FAKE_OVERRIDE public final override val name: kotlin.String
+      FUN FAKE_OVERRIDE public final override fun <get-name>(): kotlin.String
+    PROPERTY FAKE_OVERRIDE public final override val ordinal: kotlin.Int
+      FUN FAKE_OVERRIDE public final override fun <get-ordinal>(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun values(): kotlin.Array<En>
       SYNTHETIC_BODY kind=ENUM_VALUES
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun valueOf(value: kotlin.String): En
diff --git a/compiler/testData/ir/irText/expressions/objectClassReference.txt b/compiler/testData/ir/irText/expressions/objectClassReference.txt
index f4ff0f9fbff..2fa0b2b76da 100644
--- a/compiler/testData/ir/irText/expressions/objectClassReference.txt
+++ b/compiler/testData/ir/irText/expressions/objectClassReference.txt
@@ -4,6 +4,9 @@ FILE /objectClassReference.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun test(): kotlin.Unit
     BLOCK_BODY
       TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
diff --git a/compiler/testData/ir/irText/expressions/primitivesImplicitConversions.txt b/compiler/testData/ir/irText/expressions/primitivesImplicitConversions.txt
index f905f0b33ec..552965f1ceb 100644
--- a/compiler/testData/ir/irText/expressions/primitivesImplicitConversions.txt
+++ b/compiler/testData/ir/irText/expressions/primitivesImplicitConversions.txt
@@ -102,3 +102,6 @@ FILE /primitivesImplicitConversions.kt
           RETURN type=kotlin.Nothing from='<get-x>(): Long'
             GET_FIELD 'x: Long' type=kotlin.Long origin=null
               receiver: GET_VAR '<receiver: TestImplicitArguments>' type=TestImplicitArguments origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/expressions/reflectionLiterals.txt b/compiler/testData/ir/irText/expressions/reflectionLiterals.txt
index b1195750a05..bee45099bde 100644
--- a/compiler/testData/ir/irText/expressions/reflectionLiterals.txt
+++ b/compiler/testData/ir/irText/expressions/reflectionLiterals.txt
@@ -7,6 +7,9 @@ FILE /reflectionLiterals.kt
     FUN public final fun foo(): kotlin.Unit
       $this: VALUE_PARAMETER <receiver: A>
       BLOCK_BODY
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun bar(): kotlin.Unit
     BLOCK_BODY
   PROPERTY public val qux: kotlin.Int = 42
diff --git a/compiler/testData/ir/irText/expressions/safeAssignment.txt b/compiler/testData/ir/irText/expressions/safeAssignment.txt
index 6a22c7c7477..8f5433fb889 100644
--- a/compiler/testData/ir/irText/expressions/safeAssignment.txt
+++ b/compiler/testData/ir/irText/expressions/safeAssignment.txt
@@ -22,6 +22,9 @@ FILE /safeAssignment.kt
           SET_FIELD 'x: Int' type=kotlin.Unit origin=null
             receiver: GET_VAR '<receiver: C>' type=C origin=null
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun test(nc: C?): kotlin.Unit
     VALUE_PARAMETER value-parameter nc: C?
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/safeCallWithIncrementDecrement.txt b/compiler/testData/ir/irText/expressions/safeCallWithIncrementDecrement.txt
index f06d2feaa76..07d61e9ee62 100644
--- a/compiler/testData/ir/irText/expressions/safeCallWithIncrementDecrement.txt
+++ b/compiler/testData/ir/irText/expressions/safeCallWithIncrementDecrement.txt
@@ -4,6 +4,9 @@ FILE /safeCallWithIncrementDecrement.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='C'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   PROPERTY public var test.C?.p: kotlin.Int
     FUN public fun test.C?.<get-p>(): kotlin.Int
       $receiver: VALUE_PARAMETER <receiver: p: Int on C?>
diff --git a/compiler/testData/ir/irText/expressions/safeCalls.txt b/compiler/testData/ir/irText/expressions/safeCalls.txt
index 4d8d1f55f02..0a3ade7cf52 100644
--- a/compiler/testData/ir/irText/expressions/safeCalls.txt
+++ b/compiler/testData/ir/irText/expressions/safeCalls.txt
@@ -22,6 +22,9 @@ FILE /safeCalls.kt
           SET_FIELD 'value: Int' type=kotlin.Unit origin=null
             receiver: GET_VAR '<receiver: Ref>' type=Ref origin=null
             value: GET_VAR 'value-parameter <set-?>: Int' type=kotlin.Int origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS INTERFACE IHost
     FUN public open fun kotlin.String.extLength(): kotlin.Int
       $this: VALUE_PARAMETER <receiver: IHost>
@@ -30,6 +33,9 @@ FILE /safeCalls.kt
         RETURN type=kotlin.Nothing from='extLength() on String: Int'
           CALL '<get-length>(): Int' type=kotlin.Int origin=GET_PROPERTY
             $this: GET_VAR '<receiver: extLength() on String: Int>' type=kotlin.String origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun test1(x: kotlin.String?): kotlin.Int?
     VALUE_PARAMETER value-parameter x: kotlin.String?
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/setFieldWithImplicitCast.txt b/compiler/testData/ir/irText/expressions/setFieldWithImplicitCast.txt
index d2c021e74c8..cf7e0f7c217 100644
--- a/compiler/testData/ir/irText/expressions/setFieldWithImplicitCast.txt
+++ b/compiler/testData/ir/irText/expressions/setFieldWithImplicitCast.txt
@@ -17,3 +17,7 @@ FILE /Derived.kt
                 receiver: GET_VAR '<receiver: Derived>' type=Derived origin=null
                 value: TYPE_OP type=kotlin.String! origin=IMPLICIT_CAST typeOperand=kotlin.String!
                   GET_VAR 'value-parameter v: Any' type=kotlin.Any origin=null
+    PROPERTY FAKE_OVERRIDE public final override var value: kotlin.String!
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/expressions/smartCastsWithDestructuring.txt b/compiler/testData/ir/irText/expressions/smartCastsWithDestructuring.txt
index ae26f3cef71..bdc84347962 100644
--- a/compiler/testData/ir/irText/expressions/smartCastsWithDestructuring.txt
+++ b/compiler/testData/ir/irText/expressions/smartCastsWithDestructuring.txt
@@ -1,6 +1,12 @@
 FILE /smartCastsWithDestructuring.kt
   CLASS INTERFACE I1
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS INTERFACE I2
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public operator fun I1.component1(): kotlin.Int
     $receiver: VALUE_PARAMETER <receiver: component1() on I1: Int>
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/typeOperators.txt b/compiler/testData/ir/irText/expressions/typeOperators.txt
index 53ab9a2de17..ee60b9d71f6 100644
--- a/compiler/testData/ir/irText/expressions/typeOperators.txt
+++ b/compiler/testData/ir/irText/expressions/typeOperators.txt
@@ -1,5 +1,8 @@
 FILE /typeOperators.kt
   CLASS INTERFACE IThing
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun test1(x: kotlin.Any): kotlin.Boolean
     VALUE_PARAMETER value-parameter x: kotlin.Any
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/values.txt b/compiler/testData/ir/irText/expressions/values.txt
index cd7d7a4dcb5..3861173415f 100644
--- a/compiler/testData/ir/irText/expressions/values.txt
+++ b/compiler/testData/ir/irText/expressions/values.txt
@@ -6,6 +6,17 @@ FILE /values.kt
         INSTANCE_INITIALIZER_CALL classDescriptor='Enum'
     ENUM_ENTRY enum entry A
       init: ENUM_CONSTRUCTOR_CALL 'constructor Enum()'
+    FUN FAKE_OVERRIDE protected final override fun clone(): kotlin.Any
+    FUN FAKE_OVERRIDE protected/*protected and package*/ final override fun finalize(): kotlin.Unit
+    FUN FAKE_OVERRIDE public final override fun getDeclaringClass(): java.lang.Class<Enum!>!
+    FUN FAKE_OVERRIDE public final override fun compareTo(other: Enum): kotlin.Int
+    FUN FAKE_OVERRIDE public final override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public final override fun hashCode(): kotlin.Int
+    PROPERTY FAKE_OVERRIDE public final override val name: kotlin.String
+      FUN FAKE_OVERRIDE public final override fun <get-name>(): kotlin.String
+    PROPERTY FAKE_OVERRIDE public final override val ordinal: kotlin.Int
+      FUN FAKE_OVERRIDE public final override fun <get-ordinal>(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun values(): kotlin.Array<Enum>
       SYNTHETIC_BODY kind=ENUM_VALUES
     FUN ENUM_CLASS_SPECIAL_MEMBER public final fun valueOf(value: kotlin.String): Enum
@@ -15,6 +26,9 @@ FILE /values.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   PROPERTY public val a: kotlin.Int = 0
     FIELD PROPERTY_BACKING_FIELD public val a: kotlin.Int = 0
       EXPRESSION_BODY
@@ -33,6 +47,12 @@ FILE /values.kt
         BLOCK_BODY
           DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
           INSTANCE_INITIALIZER_CALL classDescriptor='companion object of Z'
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun test1(): Enum
     BLOCK_BODY
       RETURN type=kotlin.Nothing from='test1(): Enum'
diff --git a/compiler/testData/ir/irText/expressions/when.txt b/compiler/testData/ir/irText/expressions/when.txt
index f0b3dacf78b..9bfb1cb4373 100644
--- a/compiler/testData/ir/irText/expressions/when.txt
+++ b/compiler/testData/ir/irText/expressions/when.txt
@@ -4,6 +4,9 @@ FILE /when.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun testWithSubject(x: kotlin.Any?): kotlin.String
     VALUE_PARAMETER value-parameter x: kotlin.Any?
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/lambdas/multipleImplicitReceivers.txt b/compiler/testData/ir/irText/lambdas/multipleImplicitReceivers.txt
index 3afaa179d7f..3b445662b76 100644
--- a/compiler/testData/ir/irText/lambdas/multipleImplicitReceivers.txt
+++ b/compiler/testData/ir/irText/lambdas/multipleImplicitReceivers.txt
@@ -4,11 +4,17 @@ FILE /multipleImplicitReceivers.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='A'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS OBJECT B
     CONSTRUCTOR private constructor B()
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='B'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS INTERFACE IFoo
     PROPERTY public open val A.foo: B
       FUN public open fun A.<get-foo>(): B
@@ -17,6 +23,9 @@ FILE /multipleImplicitReceivers.kt
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='<get-foo>() on A: B'
             GET_OBJECT 'B' type=B
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   CLASS INTERFACE IInvoke
     FUN public open operator fun B.invoke(): kotlin.Int
       $this: VALUE_PARAMETER <receiver: IInvoke>
@@ -24,6 +33,9 @@ FILE /multipleImplicitReceivers.kt
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='invoke() on B: Int'
           CONST Int type=kotlin.Int value='42'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun test(fooImpl: IFoo, invokeImpl: IInvoke): kotlin.Unit
     VALUE_PARAMETER value-parameter fooImpl: IFoo
     VALUE_PARAMETER value-parameter invokeImpl: IInvoke
diff --git a/compiler/testData/ir/irText/regressions/integerCoercionToT.txt b/compiler/testData/ir/irText/regressions/integerCoercionToT.txt
index ce8e8107a62..e69acee1a58 100644
--- a/compiler/testData/ir/irText/regressions/integerCoercionToT.txt
+++ b/compiler/testData/ir/irText/regressions/integerCoercionToT.txt
@@ -1,5 +1,8 @@
 FILE /integerCoercionToT.kt
   CLASS INTERFACE CPointed
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public inline fun <reified T : CPointed> CPointed.reinterpret(): T
     TYPE_PARAMETER <reified T : CPointed>
     $receiver: VALUE_PARAMETER <receiver: reinterpret() on CPointed: T>
@@ -13,6 +16,9 @@ FILE /integerCoercionToT.kt
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
         INSTANCE_INITIALIZER_CALL classDescriptor='CInt32VarX'
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   TYPEALIAS typealias CInt32Var = CInt32VarX<Int> type=CInt32VarX<kotlin.Int>
   PROPERTY public var <T_INT : kotlin.Int> CInt32VarX<T_INT>.value: T_INT
     FUN public fun CInt32VarX<T_INT>.<get-value>(): T_INT
@@ -40,6 +46,9 @@ FILE /integerCoercionToT.kt
           RETURN type=kotlin.Nothing from='<get-value>(): Int'
             GET_FIELD 'value: Int' type=kotlin.Int origin=null
               receiver: GET_VAR '<receiver: IdType>' type=IdType origin=null
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
   FUN public fun foo(value: IdType, cv: CInt32Var /* = CInt32VarX<kotlin.Int> */): kotlin.Unit
     VALUE_PARAMETER value-parameter value: IdType
     VALUE_PARAMETER value-parameter cv: CInt32Var /* = CInt32VarX<kotlin.Int> */
diff --git a/compiler/testData/ir/irText/singletons/companion.txt b/compiler/testData/ir/irText/singletons/companion.txt
index dad68b0f2a6..8542efbf6de 100644
--- a/compiler/testData/ir/irText/singletons/companion.txt
+++ b/compiler/testData/ir/irText/singletons/companion.txt
@@ -17,3 +17,9 @@ FILE /companion.kt
       FUN public final fun test(): kotlin.Unit
         $this: VALUE_PARAMETER <receiver: companion object of Z>
         BLOCK_BODY
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/testData/ir/irText/singletons/object.txt b/compiler/testData/ir/irText/singletons/object.txt
index 905e720d162..07135d348c6 100644
--- a/compiler/testData/ir/irText/singletons/object.txt
+++ b/compiler/testData/ir/irText/singletons/object.txt
@@ -17,3 +17,9 @@ FILE /object.kt
         BLOCK_BODY
           CALL 'test(): Unit' type=kotlin.Unit origin=null
             $this: GET_OBJECT 'Z' type=Z
+      FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+      FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+      FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
+    FUN FAKE_OVERRIDE public open override fun equals(other: kotlin.Any?): kotlin.Boolean
+    FUN FAKE_OVERRIDE public open override fun hashCode(): kotlin.Int
+    FUN FAKE_OVERRIDE public open override fun toString(): kotlin.String
diff --git a/compiler/tests/org/jetbrains/kotlin/ir/IrTextTestCaseGenerated.java b/compiler/tests/org/jetbrains/kotlin/ir/IrTextTestCaseGenerated.java
index 2314990f9a9..7e9969f2579 100644
--- a/compiler/tests/org/jetbrains/kotlin/ir/IrTextTestCaseGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/ir/IrTextTestCaseGenerated.java
@@ -239,6 +239,12 @@ public class IrTextTestCaseGenerated extends AbstractIrTextTestCase {
             doTest(fileName);
         }
 
+        @TestMetadata("fakeOverrides.kt")
+        public void testFakeOverrides() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/ir/irText/declarations/fakeOverrides.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("fileWithAnnotations.kt")
         public void testFileWithAnnotations() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/ir/irText/declarations/fileWithAnnotations.kt");