FIR2IR: generate synthetic members for inline class

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/ClassMemberGenerator.kt

@@ -64,6 +64,9 @@ internal class ClassMemberGenerator(
             }
             // Add synthetic members *before* fake override generations.
             // Otherwise, redundant members, e.g., synthetic toString _and_ fake override toString, will be added.
+            if (irClass.isInline && klass.getPrimaryConstructorIfAny() != null) {
+                processedCallableNames += DataClassMembersGenerator(components).generateInlineClassMembers(klass, irClass)
+            }
             if (irClass.isData && klass.getPrimaryConstructorIfAny() != null) {
                 processedCallableNames += DataClassMembersGenerator(components).generateDataClassMembers(klass, irClass)
             }

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/DataClassMembersGenerator.kt

@@ -26,6 +26,7 @@ import org.jetbrains.kotlin.fir.types.impl.FirImplicitIntTypeRef
 import org.jetbrains.kotlin.fir.types.impl.FirImplicitNullableAnyTypeRef
 import org.jetbrains.kotlin.fir.types.impl.FirImplicitStringTypeRef
 import org.jetbrains.kotlin.fir.declarations.*
+import org.jetbrains.kotlin.incremental.components.NoLookupLocation
 import org.jetbrains.kotlin.ir.UNDEFINED_OFFSET
 import org.jetbrains.kotlin.ir.builders.IrGeneratorContextBase
 import org.jetbrains.kotlin.ir.declarations.*
@@ -43,7 +44,8 @@ import org.jetbrains.kotlin.name.Name
 
 class DataClassMembersGenerator(val components: Fir2IrComponents) {
 
-    // TODO: generateInlineClassMembers
+    fun generateInlineClassMembers(klass: FirClass<*>, irClass: IrClass): List<Name> =
+        MyDataClassMethodsGenerator(irClass, klass.symbol.classId, IrDeclarationOrigin.GENERATED_INLINE_CLASS_MEMBER).generate(klass)
 
     fun generateDataClassMembers(klass: FirClass<*>, irClass: IrClass): List<Name> =
         MyDataClassMethodsGenerator(irClass, klass.symbol.classId, IrDeclarationOrigin.GENERATED_DATA_CLASS_MEMBER).generate(klass)
@@ -261,6 +263,12 @@ class DataClassMembersGenerator(val components: Fir2IrComponents) {
                 parent = irClass
                 functionDescriptor.bind(this)
                 dispatchReceiverParameter = generateDispatchReceiverParameter(this, thisReceiverDescriptor)
+                components.irBuiltIns.anyClass.descriptor.unsubstitutedMemberScope
+                    .getContributedFunctions(this.name, NoLookupLocation.FROM_BACKEND)
+                    .singleOrNull { function -> function.name == this.name }
+                    ?.let {
+                        overriddenSymbols = listOf(components.symbolTable.referenceSimpleFunction(it))
+                    }
             }
         }
 

compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/converter/DeclarationsConverter.kt

@@ -191,13 +191,13 @@ class DeclarationsConverter(
     /**
      * @see org.jetbrains.kotlin.parsing.KotlinParsing.parseModifierList
      */
-    private fun convertModifierList(modifiers: LighterASTNode): Modifier {
+    private fun convertModifierList(modifiers: LighterASTNode, isInClass: Boolean = false): Modifier {
         val modifier = Modifier()
         modifiers.forEachChildren {
             when (it.tokenType) {
                 ANNOTATION -> modifier.annotations += convertAnnotation(it)
                 ANNOTATION_ENTRY -> modifier.annotations += convertAnnotationEntry(it)
-                is KtModifierKeywordToken -> modifier.addModifier(it)
+                is KtModifierKeywordToken -> modifier.addModifier(it, isInClass)
             }
         }
         return modifier
@@ -343,7 +343,7 @@ class DeclarationsConverter(
         var typeParameterList: LighterASTNode? = null
         classNode.forEachChildren {
             when (it.tokenType) {
-                MODIFIER_LIST -> modifiers = convertModifierList(it)
+                MODIFIER_LIST -> modifiers = convertModifierList(it, isInClass = true)
                 CLASS_KEYWORD -> classKind = ClassKind.CLASS
                 INTERFACE_KEYWORD -> classKind = ClassKind.INTERFACE
                 OBJECT_KEYWORD -> classKind = ClassKind.OBJECT
@@ -379,7 +379,7 @@ class DeclarationsConverter(
                     isInner = modifiers.isInner()
                     isCompanion = modifiers.isCompanion() && classKind == ClassKind.OBJECT
                     isData = modifiers.isDataClass() && classKind != ClassKind.OBJECT
-                    isInline = modifiers.hasInline()
+                    isInline = modifiers.isInlineClass() && classKind != ClassKind.OBJECT
                 }
 
                 val classBuilder = if (status.modality == Modality.SEALED) {

compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/fir/modifier/Modifier.kt

@@ -12,6 +12,7 @@ import org.jetbrains.kotlin.descriptors.Visibility
 import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
 import org.jetbrains.kotlin.fir.lightTree.fir.modifier.ModifierSets.CLASS_MODIFIER
 import org.jetbrains.kotlin.fir.lightTree.fir.modifier.ModifierSets.FUNCTION_MODIFIER
+import org.jetbrains.kotlin.fir.lightTree.fir.modifier.ModifierSets.INLINE_MODIFIER
 import org.jetbrains.kotlin.fir.lightTree.fir.modifier.ModifierSets.INHERITANCE_MODIFIER
 import org.jetbrains.kotlin.fir.lightTree.fir.modifier.ModifierSets.MEMBER_MODIFIER
 import org.jetbrains.kotlin.fir.lightTree.fir.modifier.ModifierSets.PARAMETER_MODIFIER
@@ -31,9 +32,15 @@ class Modifier(
 ) {
     val annotations: MutableList<FirAnnotationCall> = mutableListOf()
 
-    fun addModifier(modifier: LighterASTNode) {
+    fun addModifier(modifier: LighterASTNode, isInClass: Boolean = false) {
         val tokenType = modifier.tokenType
         when {
+            INLINE_MODIFIER.contains(tokenType) -> {
+                if (isInClass)
+                    this.classModifiers += ClassModifier.valueOf(modifier.toString().toUpperCase())
+                else
+                    this.functionModifiers += FunctionModifier.valueOf(modifier.toString().toUpperCase())
+            }
             CLASS_MODIFIER.contains(tokenType) -> this.classModifiers += ClassModifier.valueOf(modifier.toString().toUpperCase())
             MEMBER_MODIFIER.contains(tokenType) -> this.memberModifiers += MemberModifier.valueOf(modifier.toString().toUpperCase())
             VISIBILITY_MODIFIER.contains(tokenType) -> this.visibilityModifiers +=
@@ -59,6 +66,10 @@ class Modifier(
         return classModifiers.contains(ClassModifier.DATA)
     }
 
+    fun isInlineClass(): Boolean {
+        return classModifiers.contains(ClassModifier.INLINE)
+    }
+
     fun isInner(): Boolean {
         return classModifiers.contains(ClassModifier.INNER)
     }

compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/fir/modifier/ModifierSets.kt

@@ -6,7 +6,6 @@
 package org.jetbrains.kotlin.fir.lightTree.fir.modifier
 
 import com.intellij.psi.tree.TokenSet
-import org.jetbrains.kotlin.lexer.KtTokens
 import org.jetbrains.kotlin.lexer.KtTokens.*
 
 object ModifierSets {
@@ -24,15 +23,13 @@ object ModifierSets {
         INTERNAL_KEYWORD,
         PROTECTED_KEYWORD
     )
-    val FUNCTION_MODIFIER =
+    val FUNCTION_MODIFIER = TokenSet.create(
-        TokenSet.create(
+        TAILREC_KEYWORD,
-            TAILREC_KEYWORD,
+        OPERATOR_KEYWORD,
-            OPERATOR_KEYWORD,
+        INFIX_KEYWORD,
-            INFIX_KEYWORD,
+        EXTERNAL_KEYWORD,
-            INLINE_KEYWORD,
+        SUSPEND_KEYWORD
-            EXTERNAL_KEYWORD,
+    )
-            SUSPEND_KEYWORD
-        )
     val PROPERTY_MODIFIER = TokenSet.create(CONST_KEYWORD)
     val INHERITANCE_MODIFIER = TokenSet.create(
         ABSTRACT_KEYWORD,
@@ -44,4 +41,5 @@ object ModifierSets {
     val PLATFORM_MODIFIER = TokenSet.create(EXPECT_KEYWORD, ACTUAL_KEYWORD, HEADER_KEYWORD, IMPL_KEYWORD)
     val VARIANCE_MODIFIER = TokenSet.create(IN_KEYWORD, OUT_KEYWORD)
     val REIFICATION_MODIFIER = TokenSet.create(REIFIED_KEYWORD)
+    val INLINE_MODIFIER = TokenSet.create(INLINE_KEYWORD)
 }

compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/fir/modifier/ModifiersEnumSet.kt

@@ -5,15 +5,11 @@
 
 package org.jetbrains.kotlin.fir.lightTree.fir.modifier
 
-import org.jetbrains.kotlin.descriptors.Modality
-import org.jetbrains.kotlin.descriptors.Visibilities
-import org.jetbrains.kotlin.descriptors.Visibility
-import org.jetbrains.kotlin.types.Variance
-
 enum class ClassModifier {
     ENUM,
     ANNOTATION,
     DATA,
+    INLINE,
     INNER,
     COMPANION
 }

compiler/fir/raw-fir/psi2fir/src/org/jetbrains/kotlin/fir/builder/RawFirBuilder.kt

@@ -660,7 +660,7 @@ class RawFirBuilder(
                     isInner = classOrObject.hasModifier(INNER_KEYWORD)
                     isCompanion = (classOrObject as? KtObjectDeclaration)?.isCompanion() == true
                     isData = (classOrObject as? KtClass)?.isData() == true
-                    isInline = classOrObject.hasModifier(INLINE_KEYWORD)
+                    isInline = (classOrObject as? KtClass)?.hasModifier(INLINE_KEYWORD) == true
                 }
                 withCapturedTypeParameters {
                     if (!status.isInner) context.capturedTypeParameters = context.capturedTypeParameters.clear()

compiler/testData/codegen/box/coroutines/inlineClasses/covariantOverrideSuspendFunWithNullableInlineClass_NullableAny_null.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
 // WITH_COROUTINES
 

compiler/testData/codegen/box/inlineClasses/callableReferences/constructorWithInlineClassParameters.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +InlineClasses
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
 import kotlin.test.assertEquals
 

compiler/testData/codegen/box/inlineClasses/defaultFunctionsFromAnyForInlineClass.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +InlineClasses
-// IGNORE_BACKEND_FIR: JVM_IR
 
 inline class Foo(val x: Int)
 inline class FooRef(val y: String)

compiler/testData/codegen/box/inlineClasses/equalityChecksNegatedNonNull.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +InlineClasses
-// IGNORE_BACKEND_FIR: JVM_IR
 
 inline class A(val x: String)
 

compiler/testData/codegen/box/inlineClasses/equalityChecksNegatedNullable.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +InlineClasses
-// IGNORE_BACKEND_FIR: JVM_IR
 
 inline class A(val x: Any?)
 

compiler/testData/codegen/box/inlineClasses/equalityChecksNegatedPrimitive.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +InlineClasses
-// IGNORE_BACKEND_FIR: JVM_IR
 
 inline class A(val x: Int)
 

compiler/testData/codegen/box/inlineClasses/equalityChecksNonNull.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +InlineClasses
-// IGNORE_BACKEND_FIR: JVM_IR
 
 inline class A(val x: String)
 

compiler/testData/codegen/box/inlineClasses/equalityChecksNullable.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +InlineClasses
-// IGNORE_BACKEND_FIR: JVM_IR
 
 inline class A(val x: Any?)
 

compiler/testData/codegen/box/inlineClasses/equalityChecksPrimitive.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +InlineClasses
-// IGNORE_BACKEND_FIR: JVM_IR
 
 inline class A(val x: Int)
 

compiler/testData/codegen/box/inlineClasses/functionNameMangling/reflectionForPropertyOfInlineClassType.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +InlineClasses
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
 import kotlin.test.*
 

compiler/testData/codegen/box/inlineClasses/inlineClassInStringTemplate.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +InlineClasses
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
 
 import kotlin.test.*

compiler/testData/codegen/box/inlineClasses/inlineClassWithDefaultFunctionsFromAny.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +InlineClasses
-// IGNORE_BACKEND_FIR: JVM_IR
 
 inline class Z(val data: Int)
 

compiler/testData/codegen/box/inlineClasses/kt27113a.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +InlineClasses
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
 
 inline class A(val a: Any)

compiler/testData/codegen/box/inlineClasses/nullableEqeqNonNull.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +InlineClasses
-// IGNORE_BACKEND_FIR: JVM_IR
 
 inline class Z(val value: Int)
 

compiler/testData/codegen/box/reflection/call/inlineClasses/functionsWithInlineClassParameters.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // IGNORE_BACKEND: JS_IR, JS, NATIVE
 // WITH_REFLECT
 

compiler/testData/codegen/box/reflection/callBy/inlineClassDefaultArguments.kt

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_FIR: JVM_IR
 // IGNORE_BACKEND: JS_IR, JS, NATIVE
 // WITH_REFLECT
 

compiler/testData/codegen/box/reflection/callBy/inlineClassFunctionsAndConstructors.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // IGNORE_BACKEND: JS_IR, JS, NATIVE
 // WITH_REFLECT
 

compiler/testData/ir/irText/classes/dataClassWithArrayMembers.fir.txt

@@ -218,6 +218,8 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
             floatArray: GET_VAR 'floatArray: kotlin.FloatArray declared in <root>.Test1.copy' type=kotlin.FloatArray origin=null
             doubleArray: GET_VAR 'doubleArray: kotlin.DoubleArray declared in <root>.Test1.copy' type=kotlin.DoubleArray origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.Test1, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test1
       VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:other index:0 type:kotlin.Any?
       BLOCK_BODY
@@ -330,6 +332,8 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.Test1'
           CONST Boolean type=kotlin.Boolean value=true
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.Test1) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test1
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.Test1'
@@ -385,6 +389,8 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
               arg0: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:doubleArray type:kotlin.DoubleArray visibility:private [final]' type=kotlin.DoubleArray origin=null
                 receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.hashCode' type=<root>.Test1 origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.Test1) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test1
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.Test1'
@@ -472,6 +478,8 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
             <class: T>: kotlin.Any
             genericArray: GET_VAR 'genericArray: kotlin.Array<T of <root>.Test2> declared in <root>.Test2.copy' type=kotlin.Array<T of <root>.Test2> origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.Test2<T of <root>.Test2>, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test2<T of <root>.Test2>
       VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:other index:0 type:kotlin.Any?
       BLOCK_BODY
@@ -504,6 +512,8 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.Test2'
           CONST Boolean type=kotlin.Boolean value=true
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.Test2<T of <root>.Test2>) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test2<T of <root>.Test2>
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.Test2'
@@ -511,6 +521,8 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
             arg0: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:genericArray type:kotlin.Array<T of <root>.Test2> visibility:private [final]' type=kotlin.Array<T of <root>.Test2> origin=null
               receiver: GET_VAR '<this>: <root>.Test2<T of <root>.Test2> declared in <root>.Test2.hashCode' type=<root>.Test2<T of <root>.Test2> origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.Test2<T of <root>.Test2>) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test2<T of <root>.Test2>
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.Test2'
@@ -556,6 +568,8 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
           CONSTRUCTOR_CALL 'public constructor <init> (anyArrayN: kotlin.Array<kotlin.Any>?) [primary] declared in <root>.Test3' type=<root>.Test3 origin=null
             anyArrayN: GET_VAR 'anyArrayN: kotlin.Array<kotlin.Any>? declared in <root>.Test3.copy' type=kotlin.Array<kotlin.Any>? origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.Test3, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test3
       VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:other index:0 type:kotlin.Any?
       BLOCK_BODY
@@ -588,6 +602,8 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.Test3'
           CONST Boolean type=kotlin.Boolean value=true
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.Test3) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test3
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.Test3'
@@ -604,6 +620,8 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
                 arg0: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:anyArrayN type:kotlin.Array<kotlin.Any>? visibility:private [final]' type=kotlin.Array<kotlin.Any>? origin=null
                   receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.hashCode' type=<root>.Test3 origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.Test3) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test3
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.Test3'

compiler/testData/ir/irText/classes/dataClasses.fir.txt

@@ -80,6 +80,8 @@ FILE fqName:<root> fileName:/dataClasses.kt
             y: GET_VAR 'y: kotlin.String declared in <root>.Test1.copy' type=kotlin.String origin=null
             z: GET_VAR 'z: kotlin.Any declared in <root>.Test1.copy' type=kotlin.Any origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.Test1, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test1
       VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:other index:0 type:kotlin.Any?
       BLOCK_BODY
@@ -132,6 +134,8 @@ FILE fqName:<root> fileName:/dataClasses.kt
         RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.Test1'
           CONST Boolean type=kotlin.Boolean value=true
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.Test1) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test1
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.Test1'
@@ -151,6 +155,8 @@ FILE fqName:<root> fileName:/dataClasses.kt
               $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Any visibility:private [final]' type=kotlin.Any origin=null
                 receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.hashCode' type=<root>.Test1 origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.Test1) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test1
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.Test1'
@@ -203,6 +209,8 @@ FILE fqName:<root> fileName:/dataClasses.kt
           CONSTRUCTOR_CALL 'public constructor <init> (x: kotlin.Any?) [primary] declared in <root>.Test2' type=<root>.Test2 origin=null
             x: GET_VAR 'x: kotlin.Any? declared in <root>.Test2.copy' type=kotlin.Any? origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.Test2, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test2
       VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:other index:0 type:kotlin.Any?
       BLOCK_BODY
@@ -235,6 +243,8 @@ FILE fqName:<root> fileName:/dataClasses.kt
         RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.Test2'
           CONST Boolean type=kotlin.Boolean value=true
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.Test2) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test2
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.Test2'
@@ -251,6 +261,8 @@ FILE fqName:<root> fileName:/dataClasses.kt
                 $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Any? visibility:private [final]' type=kotlin.Any? origin=null
                   receiver: GET_VAR '<this>: <root>.Test2 declared in <root>.Test2.hashCode' type=<root>.Test2 origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.Test2) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test2
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.Test2'
@@ -364,6 +376,8 @@ FILE fqName:<root> fileName:/dataClasses.kt
             f: GET_VAR 'f: kotlin.Float declared in <root>.Test3.copy' type=kotlin.Float origin=null
             df: GET_VAR 'df: kotlin.Float? declared in <root>.Test3.copy' type=kotlin.Float? origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.Test3, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test3
       VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:other index:0 type:kotlin.Any?
       BLOCK_BODY
@@ -426,6 +440,8 @@ FILE fqName:<root> fileName:/dataClasses.kt
         RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.Test3'
           CONST Boolean type=kotlin.Boolean value=true
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.Test3) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test3
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.Test3'
@@ -469,6 +485,8 @@ FILE fqName:<root> fileName:/dataClasses.kt
                   $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:df type:kotlin.Float? visibility:private [final]' type=kotlin.Float? origin=null
                     receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.hashCode' type=<root>.Test3 origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.Test3) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test3
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.Test3'

compiler/testData/ir/irText/classes/dataClassesGeneric.fir.txt

@@ -36,6 +36,8 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
             <class: T>: kotlin.Any
             x: GET_VAR 'x: T of <root>.Test1 declared in <root>.Test1.copy' type=T of <root>.Test1 origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.Test1<T of <root>.Test1>, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test1<T of <root>.Test1>
       VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:other index:0 type:kotlin.Any?
       BLOCK_BODY
@@ -68,6 +70,8 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
         RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.Test1'
           CONST Boolean type=kotlin.Boolean value=true
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.Test1<T of <root>.Test1>) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test1<T of <root>.Test1>
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.Test1'
@@ -84,6 +88,8 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
                 $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test1 visibility:private [final]' type=T of <root>.Test1 origin=null
                   receiver: GET_VAR '<this>: <root>.Test1<T of <root>.Test1> declared in <root>.Test1.hashCode' type=<root>.Test1<T of <root>.Test1> origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.Test1<T of <root>.Test1>) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test1<T of <root>.Test1>
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.Test1'
@@ -130,6 +136,8 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
             <class: T>: kotlin.Any
             x: GET_VAR 'x: T of <root>.Test2 declared in <root>.Test2.copy' type=T of <root>.Test2 origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.Test2<T of <root>.Test2>, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test2<T of <root>.Test2>
       VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:other index:0 type:kotlin.Any?
       BLOCK_BODY
@@ -162,6 +170,8 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
         RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.Test2'
           CONST Boolean type=kotlin.Boolean value=true
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.Test2<T of <root>.Test2>) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test2<T of <root>.Test2>
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.Test2'
@@ -169,6 +179,8 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
             $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test2 visibility:private [final]' type=T of <root>.Test2 origin=null
               receiver: GET_VAR '<this>: <root>.Test2<T of <root>.Test2> declared in <root>.Test2.hashCode' type=<root>.Test2<T of <root>.Test2> origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.Test2<T of <root>.Test2>) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test2<T of <root>.Test2>
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.Test2'
@@ -215,6 +227,8 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
             <class: T>: kotlin.Any
             x: GET_VAR 'x: kotlin.collections.List<T of <root>.Test3> declared in <root>.Test3.copy' type=kotlin.collections.List<T of <root>.Test3> origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.Test3<T of <root>.Test3>, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test3<T of <root>.Test3>
       VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:other index:0 type:kotlin.Any?
       BLOCK_BODY
@@ -247,6 +261,8 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
         RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.Test3'
           CONST Boolean type=kotlin.Boolean value=true
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.Test3<T of <root>.Test3>) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test3<T of <root>.Test3>
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.Test3'
@@ -254,6 +270,8 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
             $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.collections.List<T of <root>.Test3> visibility:private [final]' type=kotlin.collections.List<T of <root>.Test3> origin=null
               receiver: GET_VAR '<this>: <root>.Test3<T of <root>.Test3> declared in <root>.Test3.hashCode' type=<root>.Test3<T of <root>.Test3> origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.Test3<T of <root>.Test3>) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test3<T of <root>.Test3>
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.Test3'
@@ -298,6 +316,8 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
           CONSTRUCTOR_CALL 'public constructor <init> (x: kotlin.collections.List<kotlin.String>) [primary] declared in <root>.Test4' type=<root>.Test4 origin=null
             x: GET_VAR 'x: kotlin.collections.List<kotlin.String> declared in <root>.Test4.copy' type=kotlin.collections.List<kotlin.String> origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.Test4, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test4
       VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:other index:0 type:kotlin.Any?
       BLOCK_BODY
@@ -330,6 +350,8 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
         RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.Test4'
           CONST Boolean type=kotlin.Boolean value=true
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.Test4) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test4
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.Test4'
@@ -337,6 +359,8 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
             $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.collections.List<kotlin.String> visibility:private [final]' type=kotlin.collections.List<kotlin.String> origin=null
               receiver: GET_VAR '<this>: <root>.Test4 declared in <root>.Test4.hashCode' type=<root>.Test4 origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.Test4) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test4
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.Test4'

compiler/testData/ir/irText/classes/inlineClass.fir.txt

@@ -17,16 +17,51 @@ FILE fqName:<root> fileName:/inlineClass.kt
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Test'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Test declared in <root>.Test.<get-x>' type=<root>.Test origin=null
-    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
+    FUN GENERATED_INLINE_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.Test, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
         public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      $this: VALUE_PARAMETER GENERATED_INLINE_CLASS_MEMBER name:<this> type:<root>.Test
-      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
+      VALUE_PARAMETER GENERATED_INLINE_CLASS_MEMBER name:other index:0 type:kotlin.Any?
-    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
+      BLOCK_BODY
+        WHEN type=kotlin.Unit origin=null
+          BRANCH
+            if: TYPE_OP type=kotlin.Boolean origin=NOT_INSTANCEOF typeOperand=<root>.Test
+              GET_VAR 'other: kotlin.Any? declared in <root>.Test.equals' type=kotlin.Any? origin=null
+            then: RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.Test'
+              CONST Boolean type=kotlin.Boolean value=false
+        VAR IR_TEMPORARY_VARIABLE name:tmp_0 type:<root>.Test [val]
+          TYPE_OP type=<root>.Test origin=CAST typeOperand=<root>.Test
+            GET_VAR 'other: kotlin.Any? declared in <root>.Test.equals' type=kotlin.Any? origin=null
+        WHEN type=kotlin.Unit origin=null
+          BRANCH
+            if: CALL 'public final fun not (): kotlin.Boolean [operator] declared in kotlin.Boolean' type=kotlin.Boolean origin=EXCLEQ
+              $this: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EXCLEQ
+                arg0: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
+                  receiver: GET_VAR '<this>: <root>.Test declared in <root>.Test.equals' type=<root>.Test origin=null
+                arg1: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
+                  receiver: GET_VAR 'val tmp_0: <root>.Test [val] declared in <root>.Test.equals' type=<root>.Test origin=null
+            then: RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.Test'
+              CONST Boolean type=kotlin.Boolean value=false
+        RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.Test'
+          CONST Boolean type=kotlin.Boolean value=true
+    FUN GENERATED_INLINE_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.Test) returnType:kotlin.Int
       overridden:
         public open fun hashCode (): kotlin.Int declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      $this: VALUE_PARAMETER GENERATED_INLINE_CLASS_MEMBER name:<this> type:<root>.Test
-    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
+      BLOCK_BODY
+        RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.Test'
+          CALL 'public open fun hashCode (): kotlin.Int [fake_override] declared in kotlin.Int' type=kotlin.Int origin=null
+            $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
+              receiver: GET_VAR '<this>: <root>.Test declared in <root>.Test.hashCode' type=<root>.Test origin=null
+    FUN GENERATED_INLINE_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.Test) returnType:kotlin.String
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      $this: VALUE_PARAMETER GENERATED_INLINE_CLASS_MEMBER name:<this> type:<root>.Test
+      BLOCK_BODY
+        RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.Test'
+          STRING_CONCATENATION type=kotlin.String
+            CONST String type=kotlin.String value="Test("
+            CONST String type=kotlin.String value="x="
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
+              receiver: GET_VAR '<this>: <root>.Test declared in <root>.Test.toString' type=<root>.Test origin=null
+            CONST String type=kotlin.String value=")"

compiler/testData/ir/irText/classes/inlineClassSyntheticMethods.fir.txt

@@ -60,19 +60,54 @@ FILE fqName:<root> fileName:/inlineClassSyntheticMethods.kt
           CALL 'public final fun hashCode (): kotlin.Int declared in <root>.C' type=kotlin.Int origin=null
             $this: CALL 'public final fun <get-c> (): <root>.C<TT of <root>.IC> declared in <root>.IC' type=<root>.C<TT of <root>.IC> origin=GET_PROPERTY
               $this: GET_VAR '<this>: <root>.IC<TT of <root>.IC> declared in <root>.IC.foo' type=<root>.IC<TT of <root>.IC> origin=null
-    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
+    FUN GENERATED_INLINE_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.IC<TT of <root>.IC>, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
         public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      $this: VALUE_PARAMETER GENERATED_INLINE_CLASS_MEMBER name:<this> type:<root>.IC<TT of <root>.IC>
-      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
+      VALUE_PARAMETER GENERATED_INLINE_CLASS_MEMBER name:other index:0 type:kotlin.Any?
-    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
+      BLOCK_BODY
+        WHEN type=kotlin.Unit origin=null
+          BRANCH
+            if: TYPE_OP type=kotlin.Boolean origin=NOT_INSTANCEOF typeOperand=<root>.IC<TT of <root>.IC>
+              GET_VAR 'other: kotlin.Any? declared in <root>.IC.equals' type=kotlin.Any? origin=null
+            then: RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.IC'
+              CONST Boolean type=kotlin.Boolean value=false
+        VAR IR_TEMPORARY_VARIABLE name:tmp_0 type:<root>.IC<TT of <root>.IC> [val]
+          TYPE_OP type=<root>.IC<TT of <root>.IC> origin=CAST typeOperand=<root>.IC<TT of <root>.IC>
+            GET_VAR 'other: kotlin.Any? declared in <root>.IC.equals' type=kotlin.Any? origin=null
+        WHEN type=kotlin.Unit origin=null
+          BRANCH
+            if: CALL 'public final fun not (): kotlin.Boolean [operator] declared in kotlin.Boolean' type=kotlin.Boolean origin=EXCLEQ
+              $this: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EXCLEQ
+                arg0: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:c type:<root>.C<TT of <root>.IC> visibility:private [final]' type=<root>.C<TT of <root>.IC> origin=null
+                  receiver: GET_VAR '<this>: <root>.IC<TT of <root>.IC> declared in <root>.IC.equals' type=<root>.IC<TT of <root>.IC> origin=null
+                arg1: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:c type:<root>.C<TT of <root>.IC> visibility:private [final]' type=<root>.C<TT of <root>.IC> origin=null
+                  receiver: GET_VAR 'val tmp_0: <root>.IC<TT of <root>.IC> [val] declared in <root>.IC.equals' type=<root>.IC<TT of <root>.IC> origin=null
+            then: RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.IC'
+              CONST Boolean type=kotlin.Boolean value=false
+        RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.IC'
+          CONST Boolean type=kotlin.Boolean value=true
+    FUN GENERATED_INLINE_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.IC<TT of <root>.IC>) returnType:kotlin.Int
       overridden:
         public open fun hashCode (): kotlin.Int declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      $this: VALUE_PARAMETER GENERATED_INLINE_CLASS_MEMBER name:<this> type:<root>.IC<TT of <root>.IC>
-    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
+      BLOCK_BODY
+        RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.IC'
+          CALL 'public open fun hashCode (): kotlin.Int declared in kotlin.Any' type=kotlin.Int origin=null
+            $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:c type:<root>.C<TT of <root>.IC> visibility:private [final]' type=<root>.C<TT of <root>.IC> origin=null
+              receiver: GET_VAR '<this>: <root>.IC<TT of <root>.IC> declared in <root>.IC.hashCode' type=<root>.IC<TT of <root>.IC> origin=null
+    FUN GENERATED_INLINE_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.IC<TT of <root>.IC>) returnType:kotlin.String
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      $this: VALUE_PARAMETER GENERATED_INLINE_CLASS_MEMBER name:<this> type:<root>.IC<TT of <root>.IC>
+      BLOCK_BODY
+        RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.IC'
+          STRING_CONCATENATION type=kotlin.String
+            CONST String type=kotlin.String value="IC("
+            CONST String type=kotlin.String value="c="
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:c type:<root>.C<TT of <root>.IC> visibility:private [final]' type=<root>.C<TT of <root>.IC> origin=null
+              receiver: GET_VAR '<this>: <root>.IC<TT of <root>.IC> declared in <root>.IC.toString' type=<root>.IC<TT of <root>.IC> origin=null
+            CONST String type=kotlin.String value=")"
   FUN name:box visibility:public modality:FINAL <> () returnType:kotlin.String
     BLOCK_BODY
       VAR name:ic type:<root>.IC<kotlin.Int> [val]

compiler/testData/ir/irText/classes/kt31649.fir.txt

@@ -34,6 +34,8 @@ FILE fqName:<root> fileName:/kt31649.kt
           CONSTRUCTOR_CALL 'public constructor <init> (nn: kotlin.Nothing?) [primary] declared in <root>.TestData' type=<root>.TestData origin=null
             nn: GET_VAR 'nn: kotlin.Nothing? declared in <root>.TestData.copy' type=kotlin.Nothing? origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.TestData, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.TestData
       VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:other index:0 type:kotlin.Any?
       BLOCK_BODY
@@ -66,6 +68,8 @@ FILE fqName:<root> fileName:/kt31649.kt
         RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.TestData'
           CONST Boolean type=kotlin.Boolean value=true
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.TestData) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.TestData
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.TestData'
@@ -82,6 +86,8 @@ FILE fqName:<root> fileName:/kt31649.kt
                 $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:nn type:kotlin.Nothing? visibility:private [final]' type=kotlin.Nothing? origin=null
                   receiver: GET_VAR '<this>: <root>.TestData declared in <root>.TestData.hashCode' type=<root>.TestData origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.TestData) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.TestData
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.TestData'
@@ -109,16 +115,60 @@ FILE fqName:<root> fileName:/kt31649.kt
           RETURN type=kotlin.Nothing from='public final fun <get-nn> (): kotlin.Nothing? declared in <root>.TestInline'
             GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:nn type:kotlin.Nothing? visibility:private [final]' type=kotlin.Nothing? origin=null
               receiver: GET_VAR '<this>: <root>.TestInline declared in <root>.TestInline.<get-nn>' type=<root>.TestInline origin=null
-    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean [fake_override,operator]
+    FUN GENERATED_INLINE_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.TestInline, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
         public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      $this: VALUE_PARAMETER GENERATED_INLINE_CLASS_MEMBER name:<this> type:<root>.TestInline
-      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
+      VALUE_PARAMETER GENERATED_INLINE_CLASS_MEMBER name:other index:0 type:kotlin.Any?
-    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int [fake_override]
+      BLOCK_BODY
+        WHEN type=kotlin.Unit origin=null
+          BRANCH
+            if: TYPE_OP type=kotlin.Boolean origin=NOT_INSTANCEOF typeOperand=<root>.TestInline
+              GET_VAR 'other: kotlin.Any? declared in <root>.TestInline.equals' type=kotlin.Any? origin=null
+            then: RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.TestInline'
+              CONST Boolean type=kotlin.Boolean value=false
+        VAR IR_TEMPORARY_VARIABLE name:tmp_1 type:<root>.TestInline [val]
+          TYPE_OP type=<root>.TestInline origin=CAST typeOperand=<root>.TestInline
+            GET_VAR 'other: kotlin.Any? declared in <root>.TestInline.equals' type=kotlin.Any? origin=null
+        WHEN type=kotlin.Unit origin=null
+          BRANCH
+            if: CALL 'public final fun not (): kotlin.Boolean [operator] declared in kotlin.Boolean' type=kotlin.Boolean origin=EXCLEQ
+              $this: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EXCLEQ
+                arg0: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:nn type:kotlin.Nothing? visibility:private [final]' type=kotlin.Nothing? origin=null
+                  receiver: GET_VAR '<this>: <root>.TestInline declared in <root>.TestInline.equals' type=<root>.TestInline origin=null
+                arg1: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:nn type:kotlin.Nothing? visibility:private [final]' type=kotlin.Nothing? origin=null
+                  receiver: GET_VAR 'val tmp_1: <root>.TestInline [val] declared in <root>.TestInline.equals' type=<root>.TestInline origin=null
+            then: RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.TestInline'
+              CONST Boolean type=kotlin.Boolean value=false
+        RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.TestInline'
+          CONST Boolean type=kotlin.Boolean value=true
+    FUN GENERATED_INLINE_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.TestInline) returnType:kotlin.Int
       overridden:
         public open fun hashCode (): kotlin.Int declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      $this: VALUE_PARAMETER GENERATED_INLINE_CLASS_MEMBER name:<this> type:<root>.TestInline
-    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String [fake_override]
+      BLOCK_BODY
+        RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.TestInline'
+          WHEN type=kotlin.Int origin=null
+            BRANCH
+              if: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EQEQ
+                arg0: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:nn type:kotlin.Nothing? visibility:private [final]' type=kotlin.Nothing? origin=null
+                  receiver: GET_VAR '<this>: <root>.TestInline declared in <root>.TestInline.hashCode' type=<root>.TestInline origin=null
+                arg1: CONST Null type=kotlin.Nothing? value=null
+              then: CONST Int type=kotlin.Int value=0
+            BRANCH
+              if: CONST Boolean type=kotlin.Boolean value=true
+              then: CALL 'public open fun hashCode (): kotlin.Int declared in kotlin.Any' type=kotlin.Int origin=null
+                $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:nn type:kotlin.Nothing? visibility:private [final]' type=kotlin.Nothing? origin=null
+                  receiver: GET_VAR '<this>: <root>.TestInline declared in <root>.TestInline.hashCode' type=<root>.TestInline origin=null
+    FUN GENERATED_INLINE_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.TestInline) returnType:kotlin.String
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      $this: VALUE_PARAMETER GENERATED_INLINE_CLASS_MEMBER name:<this> type:<root>.TestInline
+      BLOCK_BODY
+        RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.TestInline'
+          STRING_CONCATENATION type=kotlin.String
+            CONST String type=kotlin.String value="TestInline("
+            CONST String type=kotlin.String value="nn="
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:nn type:kotlin.Nothing? visibility:private [final]' type=kotlin.Nothing? origin=null
+              receiver: GET_VAR '<this>: <root>.TestInline declared in <root>.TestInline.toString' type=<root>.TestInline origin=null
+            CONST String type=kotlin.String value=")"

compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.txt

@@ -42,6 +42,8 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
           CONSTRUCTOR_CALL 'public constructor <init> (runA: kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit>) [primary] declared in <root>.A' type=<root>.A origin=null
             runA: GET_VAR 'runA: kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> declared in <root>.A.copy' type=kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.A, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.A
       VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:other index:0 type:kotlin.Any?
       BLOCK_BODY
@@ -74,6 +76,8 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
         RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.A'
           CONST Boolean type=kotlin.Boolean value=true
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.A) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.A
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.A'
@@ -81,6 +85,8 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
             $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:runA type:kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> visibility:private [final]' type=kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.hashCode' type=<root>.A origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.A) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.A
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.A'
@@ -147,6 +153,8 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
           CONSTRUCTOR_CALL 'public constructor <init> (x: kotlin.Any) [primary] declared in <root>.B' type=<root>.B origin=null
             x: GET_VAR 'x: kotlin.Any declared in <root>.B.copy' type=kotlin.Any origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.B, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.B
       VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:other index:0 type:kotlin.Any?
       BLOCK_BODY
@@ -179,6 +187,8 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
         RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.B'
           CONST Boolean type=kotlin.Boolean value=true
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.B) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.B
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.B'
@@ -186,6 +196,8 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
             $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Any visibility:private [final]' type=kotlin.Any origin=null
               receiver: GET_VAR '<this>: <root>.B declared in <root>.B.hashCode' type=<root>.B origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.B) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.B
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.B'

compiler/testData/ir/irText/declarations/parameters/dataClassMembers.fir.txt

@@ -61,6 +61,8 @@ FILE fqName:<root> fileName:/dataClassMembers.kt
             x: GET_VAR 'x: T of <root>.Test declared in <root>.Test.copy' type=T of <root>.Test origin=null
             y: GET_VAR 'y: kotlin.String declared in <root>.Test.copy' type=kotlin.String origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.Test<T of <root>.Test>, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test<T of <root>.Test>
       VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:other index:0 type:kotlin.Any?
       BLOCK_BODY
@@ -103,6 +105,8 @@ FILE fqName:<root> fileName:/dataClassMembers.kt
         RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.Test'
           CONST Boolean type=kotlin.Boolean value=true
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.Test<T of <root>.Test>) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test<T of <root>.Test>
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.Test'
@@ -125,6 +129,8 @@ FILE fqName:<root> fileName:/dataClassMembers.kt
               $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
                 receiver: GET_VAR '<this>: <root>.Test<T of <root>.Test> declared in <root>.Test.hashCode' type=<root>.Test<T of <root>.Test> origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.Test<T of <root>.Test>) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.Test<T of <root>.Test>
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.Test'

compiler/testData/ir/irText/lambdas/destructuringInLambda.fir.txt

@@ -57,6 +57,8 @@ FILE fqName:<root> fileName:/destructuringInLambda.kt
             x: GET_VAR 'x: kotlin.Int declared in <root>.A.copy' type=kotlin.Int origin=null
             y: GET_VAR 'y: kotlin.Int declared in <root>.A.copy' type=kotlin.Int origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.A, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.A
       VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:other index:0 type:kotlin.Any?
       BLOCK_BODY
@@ -99,6 +101,8 @@ FILE fqName:<root> fileName:/destructuringInLambda.kt
         RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.A'
           CONST Boolean type=kotlin.Boolean value=true
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.A) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.A
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.A'
@@ -112,6 +116,8 @@ FILE fqName:<root> fileName:/destructuringInLambda.kt
               $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
                 receiver: GET_VAR '<this>: <root>.A declared in <root>.A.hashCode' type=<root>.A origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.A) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.A
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.A'

compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInForLoop.fir.txt

@@ -172,6 +172,8 @@ FILE fqName:<root> fileName:/enhancedNullabilityInForLoop.kt
             x: GET_VAR 'x: kotlin.Int declared in <root>.P.copy' type=kotlin.Int origin=null
             y: GET_VAR 'y: kotlin.Int declared in <root>.P.copy' type=kotlin.Int origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:equals visibility:public modality:OPEN <> ($this:<root>.P, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean [operator] declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.P
       VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:other index:0 type:kotlin.Any?
       BLOCK_BODY
@@ -214,6 +216,8 @@ FILE fqName:<root> fileName:/enhancedNullabilityInForLoop.kt
         RETURN type=kotlin.Nothing from='public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in <root>.P'
           CONST Boolean type=kotlin.Boolean value=true
     FUN GENERATED_DATA_CLASS_MEMBER name:hashCode visibility:public modality:OPEN <> ($this:<root>.P) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.P
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun hashCode (): kotlin.Int declared in <root>.P'
@@ -227,6 +231,8 @@ FILE fqName:<root> fileName:/enhancedNullabilityInForLoop.kt
               $this: GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
                 receiver: GET_VAR '<this>: <root>.P declared in <root>.P.hashCode' type=<root>.P origin=null
     FUN GENERATED_DATA_CLASS_MEMBER name:toString visibility:public modality:OPEN <> ($this:<root>.P) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER GENERATED_DATA_CLASS_MEMBER name:<this> type:<root>.P
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public open fun toString (): kotlin.String declared in <root>.P'