[FIR] Fix mangling for generic class members

^KT-57429 Fixed
^KT-57433 Fixed
diff --git a/compiler/fir/fir2ir/jvm-backend/src/org/jetbrains/kotlin/fir/backend/jvm/FirJvmMangleComputer.kt b/compiler/fir/fir2ir/jvm-backend/src/org/jetbrains/kotlin/fir/backend/jvm/FirJvmMangleComputer.kt
index d8af581..47773c2 100644
--- a/compiler/fir/fir2ir/jvm-backend/src/org/jetbrains/kotlin/fir/backend/jvm/FirJvmMangleComputer.kt
+++ b/compiler/fir/fir2ir/jvm-backend/src/org/jetbrains/kotlin/fir/backend/jvm/FirJvmMangleComputer.kt
@@ -7,15 +7,12 @@
 
 import org.jetbrains.kotlin.backend.common.serialization.mangle.MangleMode
 import org.jetbrains.kotlin.fir.backend.FirMangleComputer
-import org.jetbrains.kotlin.fir.containingClassLookupTag
-import org.jetbrains.kotlin.fir.declarations.*
+import org.jetbrains.kotlin.fir.declarations.FirDeclaration
+import org.jetbrains.kotlin.fir.declarations.FirField
+import org.jetbrains.kotlin.fir.declarations.FirFunction
+import org.jetbrains.kotlin.fir.declarations.FirSimpleFunction
 import org.jetbrains.kotlin.fir.java.declarations.FirJavaField
-import org.jetbrains.kotlin.fir.originalForSubstitutionOverride
-import org.jetbrains.kotlin.fir.render
 import org.jetbrains.kotlin.fir.resolve.providers.firProvider
-import org.jetbrains.kotlin.fir.resolve.providers.symbolProvider
-import org.jetbrains.kotlin.fir.symbols.ConeTypeParameterLookupTag
-import org.jetbrains.kotlin.fir.types.coneType
 
 /**
  * JVM backend-specific mangle computer that generates a mangled name for a Kotlin declaration represented by [FirDeclaration].
@@ -24,7 +21,7 @@
     builder: StringBuilder,
     mode: MangleMode,
 ) : FirMangleComputer(builder, mode) {
-    override val visitor = JvmVisitor()
+    override val visitor: Visitor = JvmVisitor()
 
     override fun FirFunction.platformSpecificSuffix(): String? =
         if (this is FirSimpleFunction && name.asString() == "main")
@@ -36,49 +33,7 @@
     override fun copy(newMode: MangleMode): FirJvmMangleComputer =
         FirJvmMangleComputer(builder, newMode)
 
-    // FIXME this implementation causes the mangler to deliver different result than IR mangler. Consider using base method instead
-    override fun FirDeclaration.visitParent() {
-        val (parentPackageFqName, parentClassId) = when (this) {
-            is FirCallableDeclaration -> this.containingClassLookupTag()?.classId?.let { it.packageFqName to it } ?: return
-            is FirClassLikeDeclaration -> this.symbol.classId.let { it.packageFqName to it.outerClassId }
-            else -> return
-        }
-        if (parentClassId != null && !parentClassId.isLocal) {
-            val parentClassLike = this.moduleData.session.symbolProvider.getClassLikeSymbolByClassId(parentClassId)?.fir
-                ?: error("Attempt to find parent ($parentClassId) for probably-local declaration!")
-            if (parentClassLike is FirRegularClass || parentClassLike is FirTypeAlias) {
-                parentClassLike.visit()
-            } else {
-                error("Strange class-like declaration: ${parentClassLike.render()}")
-            }
-        } else if (parentClassId == null && !parentPackageFqName.isRoot) {
-            builder.appendName(parentPackageFqName.asString())
-        }
-    }
-
-    // FIXME this implementation causes the mangler to deliver different result than IR mangler. Consider using base method instead
-    override fun getEffectiveParent(typeParameter: ConeTypeParameterLookupTag): FirMemberDeclaration = typeParameter.symbol.fir.run {
-
-        fun FirTypeParameter.sameAs(other: FirTypeParameter) =
-            this === other ||
-                    (name == other.name && bounds.size == other.bounds.size &&
-                            bounds.zip(other.bounds).all { it.first.coneType == it.second.coneType })
-
-        for (parent in typeParameterContainers) {
-            if (parent.typeParameters.any { this.sameAs(it.symbol.fir) }) {
-                return parent
-            }
-            if (parent is FirCallableDeclaration) {
-                val overriddenFir = parent.originalForSubstitutionOverride
-                if (overriddenFir is FirTypeParametersOwner && overriddenFir.typeParameters.any { this.sameAs(it) }) {
-                    return parent
-                }
-            }
-        }
-        throw IllegalStateException("Should not be here!")
-    }
-
-    protected inner class JvmVisitor : Visitor() {
+    private inner class JvmVisitor : Visitor() {
         override fun visitField(field: FirField) {
             if (field is FirJavaField) {
                 field.mangleSimpleDeclaration(field.name.asString())
diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/FirMangleComputer.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/FirMangleComputer.kt
index 08e7f6a..48d31c5 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/FirMangleComputer.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/FirMangleComputer.kt
@@ -107,9 +107,25 @@
 
     override fun isUnit(type: ConeKotlinType) = type.isUnit
 
-    @OptIn(SymbolInternals::class)
     override fun getEffectiveParent(typeParameter: ConeTypeParameterLookupTag): FirMemberDeclaration = typeParameter.symbol.fir.run {
-        this.containingDeclarationSymbol.fir as FirMemberDeclaration
+
+        fun FirTypeParameter.sameAs(other: FirTypeParameter) =
+            this === other ||
+                    (name == other.name && bounds.size == other.bounds.size &&
+                            bounds.zip(other.bounds).all { it.first.coneType == it.second.coneType })
+
+        for (parent in typeParameterContainers) {
+            if (parent.typeParameters.any { it is FirTypeParameter && this.sameAs(it) }) {
+                return parent
+            }
+            if (parent is FirCallableDeclaration) {
+                val overriddenFir = parent.originalForSubstitutionOverride
+                if (overriddenFir is FirTypeParametersOwner && overriddenFir.typeParameters.any { this.sameAs(it) }) {
+                    return parent
+                }
+            }
+        }
+        throw IllegalStateException("Should not be here!")
     }
 
     override fun renderDeclaration(declaration: FirDeclaration) = declaration.render()
diff --git a/compiler/testData/ir/irText/classes/dataClasses/dataClassWithArrayMembers.kt b/compiler/testData/ir/irText/classes/dataClasses/dataClassWithArrayMembers.kt
index 8d2d71e..6d66563 100644
--- a/compiler/testData/ir/irText/classes/dataClasses/dataClassWithArrayMembers.kt
+++ b/compiler/testData/ir/irText/classes/dataClasses/dataClassWithArrayMembers.kt
@@ -1,6 +1,3 @@
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 data class Test1(
         val stringArray: Array<String>,
         val charArray: CharArray,
diff --git a/compiler/testData/ir/irText/classes/dataClasses/dataClassesGeneric.kt b/compiler/testData/ir/irText/classes/dataClasses/dataClassesGeneric.kt
index 0d47797..4c25863 100644
--- a/compiler/testData/ir/irText/classes/dataClasses/dataClassesGeneric.kt
+++ b/compiler/testData/ir/irText/classes/dataClasses/dataClassesGeneric.kt
@@ -1,6 +1,3 @@
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 data class Test1<T>(val x: T)
 
 data class Test2<T : Number>(val x: T)
diff --git a/compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.kt b/compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.kt
index cf4c3dc..c5be7be 100644
--- a/compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.kt
+++ b/compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.kt
@@ -1,6 +1,3 @@
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 open class Cell<T>(val value: T)
 
 typealias CT<T> = Cell<T>
diff --git a/compiler/testData/ir/irText/classes/inlineClassSyntheticMethods.kt b/compiler/testData/ir/irText/classes/inlineClassSyntheticMethods.kt
index ab8dd9e..2df1de5 100644
--- a/compiler/testData/ir/irText/classes/inlineClassSyntheticMethods.kt
+++ b/compiler/testData/ir/irText/classes/inlineClassSyntheticMethods.kt
@@ -1,8 +1,5 @@
 // !LANGUAGE: +InlineClasses
 
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 class C<T>(val t: T) {
     override fun hashCode(): Int = t as Int
 }
diff --git a/compiler/testData/ir/irText/declarations/annotations/genericAnnotationClasses.kt b/compiler/testData/ir/irText/declarations/annotations/genericAnnotationClasses.kt
index 7aa6eea..b95f620 100644
--- a/compiler/testData/ir/irText/declarations/annotations/genericAnnotationClasses.kt
+++ b/compiler/testData/ir/irText/declarations/annotations/genericAnnotationClasses.kt
@@ -1,5 +1,5 @@
 // SKIP_SIGNATURE_DUMP
-// ^ KT-57429, different types in annotations generated by K1 and K2
+// ^ different types in annotations generated by K1 and K2
 
 package ann
 
diff --git a/compiler/testData/ir/irText/declarations/contextReceivers/fromKEEP/compareTo.kt b/compiler/testData/ir/irText/declarations/contextReceivers/fromKEEP/compareTo.kt
index dec4d37..d84093d 100644
--- a/compiler/testData/ir/irText/declarations/contextReceivers/fromKEEP/compareTo.kt
+++ b/compiler/testData/ir/irText/declarations/contextReceivers/fromKEEP/compareTo.kt
@@ -1,9 +1,6 @@
 // !LANGUAGE: +ContextReceivers
 // IGNORE_BACKEND: JS_IR
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429
-
 data class Pair<A, B>(val first: A, val second: B)
 
 context(Comparator<T>)
diff --git a/compiler/testData/ir/irText/declarations/contextReceivers/genericOuterClass.kt b/compiler/testData/ir/irText/declarations/contextReceivers/genericOuterClass.kt
index 86c976f..be62583 100644
--- a/compiler/testData/ir/irText/declarations/contextReceivers/genericOuterClass.kt
+++ b/compiler/testData/ir/irText/declarations/contextReceivers/genericOuterClass.kt
@@ -1,13 +1,6 @@
 // FIR_IDENTICAL
 // !LANGUAGE: +ContextReceivers
 
-// IGNORE_BACKEND_K1: JS_IR
-// IGNORE_BACKEND_K1: JS_IR_ES6
-
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429
-
-
 context(T) class A<T>
 
 context(Collection<P>) class B<P>
diff --git a/compiler/testData/ir/irText/declarations/contextReceivers/genericOuterClass.sig.kt.txt b/compiler/testData/ir/irText/declarations/contextReceivers/genericOuterClass.sig.kt.txt
index 38461a3..5ebcf8a 100644
--- a/compiler/testData/ir/irText/declarations/contextReceivers/genericOuterClass.sig.kt.txt
+++ b/compiler/testData/ir/irText/declarations/contextReceivers/genericOuterClass.sig.kt.txt
@@ -6,9 +6,12 @@
   //   Mangled name: A#<init>!1:0(){}
   //   Public signature: /A.<init>|5547349096232763669[0]
   constructor($context_receiver_0: T) /* primary */
-  // CHECK:
+  // CHECK JVM_IR:
   //   Mangled name computed from Ir:         A.contextReceiverField0
   //   Mangled name computed from Descriptor: A{}contextReceiverField0#jf
+  // CHECK JS_IR NATIVE:
+  //   Mangled name computed from Ir:         A.contextReceiverField0
+  //   Mangled name computed from Descriptor: A{}contextReceiverField0
   private /* final field */ val contextReceiverField0: T
 
 }
@@ -21,9 +24,12 @@
   //   Mangled name: B#<init>!kotlin.collections.Collection<1:0>(){}
   //   Public signature: /B.<init>|-5453957848603821578[0]
   constructor($context_receiver_0: Collection<P>) /* primary */
-  // CHECK:
+  // CHECK JVM_IR:
   //   Mangled name computed from Ir:         B.contextReceiverField0
   //   Mangled name computed from Descriptor: B{}contextReceiverField0#jf
+  // CHECK JS_IR NATIVE:
+  //   Mangled name computed from Ir:         B.contextReceiverField0
+  //   Mangled name computed from Descriptor: B{}contextReceiverField0
   private /* final field */ val contextReceiverField0: Collection<P>
 
 }
diff --git a/compiler/testData/ir/irText/declarations/contextReceivers/thisWithCustomLabel.kt b/compiler/testData/ir/irText/declarations/contextReceivers/thisWithCustomLabel.kt
index f99d215..041c2ec 100644
--- a/compiler/testData/ir/irText/declarations/contextReceivers/thisWithCustomLabel.kt
+++ b/compiler/testData/ir/irText/declarations/contextReceivers/thisWithCustomLabel.kt
@@ -1,10 +1,5 @@
 // FIR_IDENTICAL
 // !LANGUAGE: +ContextReceivers
-// IGNORE_BACKEND_K1: JS_IR
-// IGNORE_BACKEND_K1: JS_IR_ES6
-
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429
 
 class A<T>(val a: T)
 class B(val b: Any)
diff --git a/compiler/testData/ir/irText/declarations/contextReceivers/thisWithCustomLabel.sig.kt.txt b/compiler/testData/ir/irText/declarations/contextReceivers/thisWithCustomLabel.sig.kt.txt
index 4792aab..ded32cd 100644
--- a/compiler/testData/ir/irText/declarations/contextReceivers/thisWithCustomLabel.sig.kt.txt
+++ b/compiler/testData/ir/irText/declarations/contextReceivers/thisWithCustomLabel.sig.kt.txt
@@ -9,6 +9,9 @@
     // CHECK JVM_IR:
     //   Mangled name: A#<get-a>(){}1:0
     //   Public signature: /A.a.<get-a>|5765441560292063424[0]
+    // CHECK JS_IR:
+    //   Mangled name: A#<get-a>(){}
+    //   Public signature: /A.a.<get-a>|6785176174175479410[0]
     get
 
   // CHECK:
@@ -29,6 +32,9 @@
     // CHECK JVM_IR:
     //   Mangled name: B#<get-b>(){}kotlin.Any
     //   Public signature: /B.b.<get-b>|4768115582956424363[0]
+    // CHECK JS_IR:
+    //   Mangled name: B#<get-b>(){}
+    //   Public signature: /B.b.<get-b>|812004636995167743[0]
     get
 
   // CHECK:
@@ -49,6 +55,9 @@
     // CHECK JVM_IR:
     //   Mangled name: C#<get-c>(){}kotlin.Any
     //   Public signature: /C.c.<get-c>|-7073232512849879703[0]
+    // CHECK JS_IR:
+    //   Mangled name: C#<get-c>(){}
+    //   Public signature: /C.c.<get-c>|2368736057102379596[0]
     get
 
   // CHECK:
@@ -70,5 +79,8 @@
   // CHECK JVM_IR:
   //   Mangled name: #<get-p>!A<kotlin.Int>!A<kotlin.String>!B@C(){}kotlin.Int
   //   Public signature: /p.<get-p>|-7725362510645392909[0]
+  // CHECK JS_IR:
+  //   Mangled name: #<get-p>!A<kotlin.Int>!A<kotlin.String>!B@C(){}
+  //   Public signature: /p.<get-p>|-2698360468898936971[0]
   get($context_receiver_0: A<Int>, $context_receiver_1: A<String>, $context_receiver_2: B): Int
 
diff --git a/compiler/testData/ir/irText/declarations/kt45308.kt b/compiler/testData/ir/irText/declarations/kt45308.kt
index 3d7f4d3ae..5550947 100644
--- a/compiler/testData/ir/irText/declarations/kt45308.kt
+++ b/compiler/testData/ir/irText/declarations/kt45308.kt
@@ -2,9 +2,6 @@
 // IGNORE_BACKEND_K1: JS_IR
 // IGNORE_BACKEND_K1: JS_IR_ES6
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57433
-
 // MODULE: a
 // FILE: a.kt
 package a
diff --git a/compiler/testData/ir/irText/declarations/kt45308.sig.kt.txt b/compiler/testData/ir/irText/declarations/kt45308.sig.kt.txt
index 625515b..4d0efb6 100644
--- a/compiler/testData/ir/irText/declarations/kt45308.sig.kt.txt
+++ b/compiler/testData/ir/irText/declarations/kt45308.sig.kt.txt
@@ -13,6 +13,9 @@
 // CHECK JVM_IR:
 //   Mangled name: b#foo(kotlin.Function0<kotlin.String>){}kotlin.String
 //   Public signature: b/foo|-5020381652845254261[0]
+// CHECK JS_IR NATIVE:
+//   Mangled name: b#foo(kotlin.Function0<kotlin.String>){}
+//   Public signature: b/foo|-2695324588787180624[0]
 fun foo(f: Function0<String>): String
 
 // MODULE: c
@@ -21,5 +24,8 @@
 // CHECK JVM_IR:
 //   Mangled name: #box(){}kotlin.String
 //   Public signature: /box|-9347091776561469[0]
+// CHECK JS_IR NATIVE:
+//   Mangled name: #box(){}
+//   Public signature: /box|2173511048851971368[0]
 fun box(): String
 
diff --git a/compiler/testData/ir/irText/declarations/parameters/constructor.kt b/compiler/testData/ir/irText/declarations/parameters/constructor.kt
index d6c8922..25091a4 100644
--- a/compiler/testData/ir/irText/declarations/parameters/constructor.kt
+++ b/compiler/testData/ir/irText/declarations/parameters/constructor.kt
@@ -1,6 +1,3 @@
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 class Test1<T1, T2>(val x: T1, val y: T2)
 
 class Test2(x: Int, val y: String) {
diff --git a/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.kt b/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.kt
index 482d9c3..124a750 100644
--- a/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.kt
+++ b/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.kt
@@ -1,7 +1,4 @@
 // IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JS_IR_ES6
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429
-
 data class Test<T>(val x: T, val y: String = "")
diff --git a/compiler/testData/ir/irText/declarations/parameters/defaultPropertyAccessors.kt b/compiler/testData/ir/irText/declarations/parameters/defaultPropertyAccessors.kt
index a58e697..75e70c5 100644
--- a/compiler/testData/ir/irText/declarations/parameters/defaultPropertyAccessors.kt
+++ b/compiler/testData/ir/irText/declarations/parameters/defaultPropertyAccessors.kt
@@ -1,8 +1,5 @@
 // FIR_IDENTICAL
 
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 val test1 = 42
 
 var test2 = 42
diff --git a/compiler/testData/ir/irText/declarations/parameters/delegatedMembers.kt b/compiler/testData/ir/irText/declarations/parameters/delegatedMembers.kt
index e07aeab..bd40076 100644
--- a/compiler/testData/ir/irText/declarations/parameters/delegatedMembers.kt
+++ b/compiler/testData/ir/irText/declarations/parameters/delegatedMembers.kt
@@ -1,5 +1,5 @@
 // MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57754, KT-57429
+// ^ KT-57754
 
 interface IBase<T> {
     fun foo(x: Int)
diff --git a/compiler/testData/ir/irText/declarations/parameters/genericInnerClass.kt b/compiler/testData/ir/irText/declarations/parameters/genericInnerClass.kt
index b5541f7..b500b1d 100644
--- a/compiler/testData/ir/irText/declarations/parameters/genericInnerClass.kt
+++ b/compiler/testData/ir/irText/declarations/parameters/genericInnerClass.kt
@@ -1,8 +1,5 @@
 // FIR_IDENTICAL
 
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 class Outer<T1> {
     inner class Inner<T2> {
         fun foo(x1: T1, x2: T2) {}
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/javaDelegate.kt b/compiler/testData/ir/irText/declarations/provideDelegate/javaDelegate.kt
index 1bf5f96..46a4300 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/javaDelegate.kt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/javaDelegate.kt
@@ -2,9 +2,6 @@
 // TARGET_BACKEND: JVM
 // SKIP_KT_DUMP
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57433
-
 // FILE: box.kt
 
 package k
diff --git a/compiler/testData/ir/irText/expressions/ambiguousFieldAccess.kt b/compiler/testData/ir/irText/expressions/ambiguousFieldAccess.kt
index f7f2bd7..de7d155 100644
--- a/compiler/testData/ir/irText/expressions/ambiguousFieldAccess.kt
+++ b/compiler/testData/ir/irText/expressions/ambiguousFieldAccess.kt
@@ -2,9 +2,6 @@
 // SKIP_KLIB_TEST
 // Related to KT-49507
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57433
-
 // FILE: A.java
 public class A {
     protected String x = "1";
diff --git a/compiler/testData/ir/irText/expressions/builtinOperators.kt b/compiler/testData/ir/irText/expressions/builtinOperators.kt
index 57087f3..dc62884 100644
--- a/compiler/testData/ir/irText/expressions/builtinOperators.kt
+++ b/compiler/testData/ir/irText/expressions/builtinOperators.kt
@@ -1,8 +1,5 @@
 // FIR_IDENTICAL
 
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57433
-
 // FILE: test.kt
 
 package test
diff --git a/compiler/testData/ir/irText/expressions/callableReferences/boundInlineAdaptedReference.kt b/compiler/testData/ir/irText/expressions/callableReferences/boundInlineAdaptedReference.kt
index 60f7e41..3282a8c 100644
--- a/compiler/testData/ir/irText/expressions/callableReferences/boundInlineAdaptedReference.kt
+++ b/compiler/testData/ir/irText/expressions/callableReferences/boundInlineAdaptedReference.kt
@@ -1,6 +1,3 @@
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57433
-
 package test
 
 inline fun foo(x: () -> Unit) {}
diff --git a/compiler/testData/ir/irText/expressions/callableReferences/boundInnerGenericConstructor.kt b/compiler/testData/ir/irText/expressions/callableReferences/boundInnerGenericConstructor.kt
index dc782ef..b6b3053b 100644
--- a/compiler/testData/ir/irText/expressions/callableReferences/boundInnerGenericConstructor.kt
+++ b/compiler/testData/ir/irText/expressions/callableReferences/boundInnerGenericConstructor.kt
@@ -1,8 +1,5 @@
 // FIR_IDENTICAL
 
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57433, KT-57429
-
 package test
 
 class Foo<T> {
diff --git a/compiler/testData/ir/irText/expressions/callableReferences/genericLocalClassConstructorReference.kt b/compiler/testData/ir/irText/expressions/callableReferences/genericLocalClassConstructorReference.kt
index 089f274..24ee949 100644
--- a/compiler/testData/ir/irText/expressions/callableReferences/genericLocalClassConstructorReference.kt
+++ b/compiler/testData/ir/irText/expressions/callableReferences/genericLocalClassConstructorReference.kt
@@ -1,6 +1,3 @@
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 open class L<LL>(val ll: LL)
 
 class Rec<T>(val rt: T)
diff --git a/compiler/testData/ir/irText/expressions/callableReferences/importedFromObject.kt b/compiler/testData/ir/irText/expressions/callableReferences/importedFromObject.kt
index dc84100..3898f79 100644
--- a/compiler/testData/ir/irText/expressions/callableReferences/importedFromObject.kt
+++ b/compiler/testData/ir/irText/expressions/callableReferences/importedFromObject.kt
@@ -1,8 +1,5 @@
 // FIR_IDENTICAL
 
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57433
-
 package test
 
 import test.Foo.a
diff --git a/compiler/testData/ir/irText/expressions/funImportedFromObject.kt b/compiler/testData/ir/irText/expressions/funImportedFromObject.kt
index 907c3e3..575fc1b 100644
--- a/compiler/testData/ir/irText/expressions/funImportedFromObject.kt
+++ b/compiler/testData/ir/irText/expressions/funImportedFromObject.kt
@@ -1,8 +1,5 @@
 // FIR_IDENTICAL
 
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57433
-
 package test
 
 import test.Host.foo
diff --git a/compiler/testData/ir/irText/expressions/genericConstructorCallWithTypeArguments.kt b/compiler/testData/ir/irText/expressions/genericConstructorCallWithTypeArguments.kt
index 4112b7a..a36017a 100644
--- a/compiler/testData/ir/irText/expressions/genericConstructorCallWithTypeArguments.kt
+++ b/compiler/testData/ir/irText/expressions/genericConstructorCallWithTypeArguments.kt
@@ -1,9 +1,6 @@
 // IGNORE_BACKEND_K1: JS_IR
 // IGNORE_BACKEND_K1: JS_IR_ES6
 
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 fun testSimple() = Box<Long>(2L * 3)
 
 inline fun <reified T> testArray(n: Int, crossinline block: () -> T): Array<T> {
diff --git a/compiler/testData/ir/irText/expressions/genericPropertyRef.kt b/compiler/testData/ir/irText/expressions/genericPropertyRef.kt
index 6bafedb..8914b72 100644
--- a/compiler/testData/ir/irText/expressions/genericPropertyRef.kt
+++ b/compiler/testData/ir/irText/expressions/genericPropertyRef.kt
@@ -1,6 +1,3 @@
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 class Value<T>(var value: T = null as T, var text: String? = null)
 
 val <T> Value<T>.additionalText by DVal(Value<T>::text)
diff --git a/compiler/testData/ir/irText/expressions/kt36956.kt b/compiler/testData/ir/irText/expressions/kt36956.kt
index a09bb7b..2216389 100644
--- a/compiler/testData/ir/irText/expressions/kt36956.kt
+++ b/compiler/testData/ir/irText/expressions/kt36956.kt
@@ -1,6 +1,3 @@
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 class A<T>(private val value: T) {
     operator fun get(i: Int) = value
     operator fun set(i: Int, v: T) {}
diff --git a/compiler/testData/ir/irText/expressions/kt44993.kt b/compiler/testData/ir/irText/expressions/kt44993.kt
index fdc22da..aaed2cc 100644
--- a/compiler/testData/ir/irText/expressions/kt44993.kt
+++ b/compiler/testData/ir/irText/expressions/kt44993.kt
@@ -3,9 +3,6 @@
 // WITH_STDLIB
 // SKIP_KT_DUMP
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429
-
 // FILE: kt44993.kt
 fun f(r: KotlinBox<JavaBox>): String =
     r?.data?.element!!
diff --git a/compiler/testData/ir/irText/expressions/kt47328.kt b/compiler/testData/ir/irText/expressions/kt47328.kt
index d37d85c..34044a8 100644
--- a/compiler/testData/ir/irText/expressions/kt47328.kt
+++ b/compiler/testData/ir/irText/expressions/kt47328.kt
@@ -6,9 +6,6 @@
 // TARGET_BACKEND: JVM_IR
 // WITH_STDLIB
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429
-
 interface A { val x: Int }
 
 class B(@JvmField override val x: Int): A
diff --git a/compiler/testData/ir/irText/expressions/memberTypeArguments.kt b/compiler/testData/ir/irText/expressions/memberTypeArguments.kt
index 63e4195..fab58d4 100644
--- a/compiler/testData/ir/irText/expressions/memberTypeArguments.kt
+++ b/compiler/testData/ir/irText/expressions/memberTypeArguments.kt
@@ -1,8 +1,5 @@
 // FIR_IDENTICAL
 
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 class GenericClass<T>(val value: T) {
     fun withNewValue(newValue: T) = GenericClass(newValue)
 }
diff --git a/compiler/testData/ir/irText/expressions/safeCallWithIncrementDecrement.kt b/compiler/testData/ir/irText/expressions/safeCallWithIncrementDecrement.kt
index c0a3f95..8e9c807 100644
--- a/compiler/testData/ir/irText/expressions/safeCallWithIncrementDecrement.kt
+++ b/compiler/testData/ir/irText/expressions/safeCallWithIncrementDecrement.kt
@@ -1,6 +1,3 @@
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57433
-
 package test
 
 class C
diff --git a/compiler/testData/ir/irText/expressions/sam/samConversionInGenericConstructorCall.kt b/compiler/testData/ir/irText/expressions/sam/samConversionInGenericConstructorCall.kt
index e333369..822cf97 100644
--- a/compiler/testData/ir/irText/expressions/sam/samConversionInGenericConstructorCall.kt
+++ b/compiler/testData/ir/irText/expressions/sam/samConversionInGenericConstructorCall.kt
@@ -1,9 +1,6 @@
 // FIR_IDENTICAL
 // TARGET_BACKEND: JVM
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429
-
 // FILE: samConversionInGenericConstructorCall.kt
 fun test3(
     f1: (String) -> String,
diff --git a/compiler/testData/ir/irText/expressions/specializedTypeAliasConstructorCall.kt b/compiler/testData/ir/irText/expressions/specializedTypeAliasConstructorCall.kt
index 352a0dd..57c0329 100644
--- a/compiler/testData/ir/irText/expressions/specializedTypeAliasConstructorCall.kt
+++ b/compiler/testData/ir/irText/expressions/specializedTypeAliasConstructorCall.kt
@@ -1,6 +1,3 @@
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 class Cell<T>(val value: T)
 
 typealias IntAlias = Cell<Int>
diff --git a/compiler/testData/ir/irText/expressions/thisOfGenericOuterClass.kt b/compiler/testData/ir/irText/expressions/thisOfGenericOuterClass.kt
index 7b096d2..8e664e0 100644
--- a/compiler/testData/ir/irText/expressions/thisOfGenericOuterClass.kt
+++ b/compiler/testData/ir/irText/expressions/thisOfGenericOuterClass.kt
@@ -1,6 +1,3 @@
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 class Outer<T>(val x: T) {
     open inner class Inner(val y: Int)
 }
diff --git a/compiler/testData/ir/irText/firProblems/ArrayMap.kt b/compiler/testData/ir/irText/firProblems/ArrayMap.kt
index 35ee41d..55955fb 100644
--- a/compiler/testData/ir/irText/firProblems/ArrayMap.kt
+++ b/compiler/testData/ir/irText/firProblems/ArrayMap.kt
@@ -3,9 +3,6 @@
 // IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: JS_IR_ES6
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429
-
 sealed class ArrayMap<T : Any> : Iterable<T> {
     abstract val size: Int
 
diff --git a/compiler/testData/ir/irText/firProblems/ClashResolutionDescriptor.kt b/compiler/testData/ir/irText/firProblems/ClashResolutionDescriptor.kt
index 5df97a5..c047e98 100644
--- a/compiler/testData/ir/irText/firProblems/ClashResolutionDescriptor.kt
+++ b/compiler/testData/ir/irText/firProblems/ClashResolutionDescriptor.kt
@@ -3,7 +3,7 @@
 // WITH_STDLIB
 
 // MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429
+// ^ KT-57778
 
 import java.lang.reflect.Type
 
diff --git a/compiler/testData/ir/irText/firProblems/ImplicitReceiverStack.kt b/compiler/testData/ir/irText/firProblems/ImplicitReceiverStack.kt
index 36903ae..a308de1 100644
--- a/compiler/testData/ir/irText/firProblems/ImplicitReceiverStack.kt
+++ b/compiler/testData/ir/irText/firProblems/ImplicitReceiverStack.kt
@@ -5,7 +5,7 @@
 // IGNORE_BACKEND: JS_IR_ES6
 
 // MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429, KT-57788
+// ^ KT-57788
 
 interface SymbolOwner<E : SymbolOwner<E>>
 
diff --git a/compiler/testData/ir/irText/firProblems/OutBox.kt b/compiler/testData/ir/irText/firProblems/OutBox.kt
index 77994dd..fe84980 100644
--- a/compiler/testData/ir/irText/firProblems/OutBox.kt
+++ b/compiler/testData/ir/irText/firProblems/OutBox.kt
@@ -1,8 +1,5 @@
 // TARGET_BACKEND: JVM
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429
-
 // FILE: Foo.java
 
 public class Foo {
diff --git a/compiler/testData/ir/irText/firProblems/SignatureComputationComplexJavaGeneric.kt b/compiler/testData/ir/irText/firProblems/SignatureComputationComplexJavaGeneric.kt
index bb7a889..ff1950b 100644
--- a/compiler/testData/ir/irText/firProblems/SignatureComputationComplexJavaGeneric.kt
+++ b/compiler/testData/ir/irText/firProblems/SignatureComputationComplexJavaGeneric.kt
@@ -1,8 +1,5 @@
 // TARGET_BACKEND: JVM_IR
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429
-
 // FILE: J.java
 
 import org.jetbrains.annotations.Nullable;
diff --git a/compiler/testData/ir/irText/firProblems/TypeParameterInNestedClass.kt b/compiler/testData/ir/irText/firProblems/TypeParameterInNestedClass.kt
index 8ab4ee2..20f970e 100644
--- a/compiler/testData/ir/irText/firProblems/TypeParameterInNestedClass.kt
+++ b/compiler/testData/ir/irText/firProblems/TypeParameterInNestedClass.kt
@@ -1,8 +1,4 @@
 // ISSUE: KT-58008
-
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 object Retry {
     class Builder<B>(
         private val action: suspend () -> B,
diff --git a/compiler/testData/ir/irText/firProblems/kt43342.kt b/compiler/testData/ir/irText/firProblems/kt43342.kt
index cd7eb242..2ddee9d 100644
--- a/compiler/testData/ir/irText/firProblems/kt43342.kt
+++ b/compiler/testData/ir/irText/firProblems/kt43342.kt
@@ -2,9 +2,6 @@
 // IGNORE_BACKEND_K2: JS_IR
 // IGNORE_BACKEND_K2: JS_IR_ES6
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429
-
 open class ControlFlowInfo<K, V>(val map: Map<K, V>): Map<K, V> by map
 
 class StringFlowInfo(map: Map<String, String>): ControlFlowInfo<String, String>(map) {
diff --git a/compiler/testData/ir/irText/firProblems/readWriteProperty.kt b/compiler/testData/ir/irText/firProblems/readWriteProperty.kt
index 70fddc5..a8e0338 100644
--- a/compiler/testData/ir/irText/firProblems/readWriteProperty.kt
+++ b/compiler/testData/ir/irText/firProblems/readWriteProperty.kt
@@ -3,7 +3,7 @@
 // DUMP_LOCAL_DECLARATION_SIGNATURES
 
 // MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429, KT-57430
+// ^ KT-57430
 
 import kotlin.properties.ReadWriteProperty
 import kotlin.reflect.KClass
diff --git a/compiler/testData/ir/irText/js/dynamic/implicitCastFromDynamic.kt b/compiler/testData/ir/irText/js/dynamic/implicitCastFromDynamic.kt
index 15a20e5..25f24e6 100644
--- a/compiler/testData/ir/irText/js/dynamic/implicitCastFromDynamic.kt
+++ b/compiler/testData/ir/irText/js/dynamic/implicitCastFromDynamic.kt
@@ -1,9 +1,6 @@
 // TARGET_BACKEND: JS_IR
 // FIR_IDENTICAL
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57818
-
 val d: dynamic = 1
 
 val p: Int = d
diff --git a/compiler/testData/ir/irText/js/dynamic/implicitCastToDynamic.kt b/compiler/testData/ir/irText/js/dynamic/implicitCastToDynamic.kt
index 809d65d..bceee43 100644
--- a/compiler/testData/ir/irText/js/dynamic/implicitCastToDynamic.kt
+++ b/compiler/testData/ir/irText/js/dynamic/implicitCastToDynamic.kt
@@ -1,8 +1,5 @@
 // TARGET_BACKEND: JS_IR
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57818
-
 val d1: dynamic = 1
 
 val p: Int = 1
diff --git a/compiler/testData/ir/irText/regressions/kt45236.kt b/compiler/testData/ir/irText/regressions/kt45236.kt
index 8d8b7de..d9f7b23 100644
--- a/compiler/testData/ir/irText/regressions/kt45236.kt
+++ b/compiler/testData/ir/irText/regressions/kt45236.kt
@@ -2,9 +2,6 @@
 // SKIP_KT_DUMP
 // TARGET_BACKEND: JVM_IR
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429
-
 import kotlin.contracts.ExperimentalContracts
 import kotlin.contracts.contract
 
diff --git a/compiler/testData/ir/irText/regressions/typeAliasCtorForGenericClass.kt b/compiler/testData/ir/irText/regressions/typeAliasCtorForGenericClass.kt
index 18a328a..a4b34cf 100644
--- a/compiler/testData/ir/irText/regressions/typeAliasCtorForGenericClass.kt
+++ b/compiler/testData/ir/irText/regressions/typeAliasCtorForGenericClass.kt
@@ -1,6 +1,3 @@
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 class A<Q>(val q: Q)
 
 typealias B<X> = A<X>
diff --git a/compiler/testData/ir/irText/stubs/genericClassInDifferentModule.kt b/compiler/testData/ir/irText/stubs/genericClassInDifferentModule.kt
index 506318a8..5b6c5f3 100644
--- a/compiler/testData/ir/irText/stubs/genericClassInDifferentModule.kt
+++ b/compiler/testData/ir/irText/stubs/genericClassInDifferentModule.kt
@@ -1,9 +1,6 @@
 // IGNORE_BACKEND_K1: JS_IR
 // IGNORE_BACKEND_K1: JS_IR_ES6
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429
-
 // MODULE: m1
 // FILE: genericClassInDifferentModule_m1.kt
 
diff --git a/compiler/testData/ir/irText/stubs/genericClassInDifferentModule.sig.kt.txt b/compiler/testData/ir/irText/stubs/genericClassInDifferentModule.sig.kt.txt
index 4c8df6c..f9283fd 100644
--- a/compiler/testData/ir/irText/stubs/genericClassInDifferentModule.sig.kt.txt
+++ b/compiler/testData/ir/irText/stubs/genericClassInDifferentModule.sig.kt.txt
@@ -78,6 +78,9 @@
     // CHECK JVM_IR:
     //   Mangled name: Derived1#<get-bar>(){}1:0
     //   Public signature: /Derived1.bar.<get-bar>|7899956589744407340[0]
+    // CHECK JS_IR NATIVE:
+    //   Mangled name: Derived1#<get-bar>(){}
+    //   Public signature: /Derived1.bar.<get-bar>|6880642144337645699[0]
     override get
     // CHECK:
     //   Mangled name: Derived1#<set-bar>(1:0){}
@@ -92,6 +95,9 @@
   // CHECK JVM_IR:
   //   Mangled name: Derived1#foo(0:0){0§<kotlin.Any?>}1:0
   //   Public signature: /Derived1.foo|8673945311830780726[0]
+  // CHECK JS_IR NATIVE:
+  //   Mangled name: Derived1#foo(0:0){0§<kotlin.Any?>}
+  //   Public signature: /Derived1.foo|-6838606926256314363[0]
   override fun <Y : Any?> foo(y: Y): T
 
   // CHECK:
@@ -101,6 +107,9 @@
     // CHECK JVM_IR:
     //   Mangled name: Derived1#<get-x>(){}1:0
     //   Public signature: /Derived1.x.<get-x>|-8893883356128097563[0]
+    // CHECK JS_IR NATIVE:
+    //   Mangled name: Derived1#<get-x>(){}
+    //   Public signature: /Derived1.x.<get-x>|1482705010654679335[0]
     /* fake */ override get(): T
 
   // CHECK:
@@ -110,6 +119,9 @@
     // CHECK JVM_IR:
     //   Mangled name: Derived1#<get-exn>@0:0(){0§<kotlin.Any?>}1:0
     //   Public signature: /Derived1.exn.<get-exn>|6217753676739394662[0]
+    // CHECK JS_IR NATIVE:
+    //   Mangled name: Derived1#<get-exn>@0:0(){0§<kotlin.Any?>}
+    //   Public signature: /Derived1.exn.<get-exn>|-202876889853335253[0]
     override get(): T
     // CHECK:
     //   Mangled name: Derived1#<set-exn>@0:0(1:0){0§<kotlin.Any?>}
diff --git a/compiler/testData/ir/irText/types/castsInsideCoroutineInference.kt b/compiler/testData/ir/irText/types/castsInsideCoroutineInference.kt
index efd812b..7d04e6e 100644
--- a/compiler/testData/ir/irText/types/castsInsideCoroutineInference.kt
+++ b/compiler/testData/ir/irText/types/castsInsideCoroutineInference.kt
@@ -3,7 +3,7 @@
 // IGNORE_BACKEND: JS_IR_ES6
 
 // MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429, KT-57778
+// ^ KT-57778
 
 import kotlin.experimental.ExperimentalTypeInference
 
diff --git a/compiler/testData/ir/irText/types/definitelyNotNullAsArgument.kt b/compiler/testData/ir/irText/types/definitelyNotNullAsArgument.kt
index a431106..7af84af 100644
--- a/compiler/testData/ir/irText/types/definitelyNotNullAsArgument.kt
+++ b/compiler/testData/ir/irText/types/definitelyNotNullAsArgument.kt
@@ -1,8 +1,5 @@
 //!LANGUAGE: +DefinitelyNonNullableTypes
 
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 interface I<T> {
     fun input(t: T)
     fun output(): T
diff --git a/compiler/testData/ir/irText/types/dontLeaveStubTypesInSetter.kt b/compiler/testData/ir/irText/types/dontLeaveStubTypesInSetter.kt
index 7543e74..f0b1eae 100644
--- a/compiler/testData/ir/irText/types/dontLeaveStubTypesInSetter.kt
+++ b/compiler/testData/ir/irText/types/dontLeaveStubTypesInSetter.kt
@@ -4,7 +4,7 @@
 // IGNORE_BACKEND: JS_IR_ES6
 
 // MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429, KT-57755
+// ^ KT-57755
 
 class Foo<T>(var x: T)
 
diff --git a/compiler/testData/ir/irText/types/genericDelegatedDeepProperty.kt b/compiler/testData/ir/irText/types/genericDelegatedDeepProperty.kt
index 27c49de..f251db3 100644
--- a/compiler/testData/ir/irText/types/genericDelegatedDeepProperty.kt
+++ b/compiler/testData/ir/irText/types/genericDelegatedDeepProperty.kt
@@ -1,8 +1,5 @@
 // !LANGUAGE: -ForbidUsingExtensionPropertyTypeParameterInDelegate
 
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 import kotlin.reflect.KProperty1
 import kotlin.reflect.KMutableProperty1
 import kotlin.reflect.KProperty
diff --git a/compiler/testData/ir/irText/types/genericPropertyReferenceType.kt b/compiler/testData/ir/irText/types/genericPropertyReferenceType.kt
index 5c941bc..3acdaee 100644
--- a/compiler/testData/ir/irText/types/genericPropertyReferenceType.kt
+++ b/compiler/testData/ir/irText/types/genericPropertyReferenceType.kt
@@ -1,8 +1,5 @@
 // FIR_IDENTICAL
 
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429, KT-57427
-
 import kotlin.reflect.KMutableProperty
 
 class C<T>(var x: T)
diff --git a/compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInDestructuringAssignment.kt b/compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInDestructuringAssignment.kt
index 53200da..b7bcb4c 100644
--- a/compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInDestructuringAssignment.kt
+++ b/compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInDestructuringAssignment.kt
@@ -1,9 +1,6 @@
 // TARGET_BACKEND: JVM
 // WITH_STDLIB
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429
-
 // FILE: enhancedNullabilityInDestructuringAssignment.kt
 
 fun use(x: Any, y: Any) {}
diff --git a/compiler/testData/ir/irText/types/smartCastOnReceiverOfGenericType.kt b/compiler/testData/ir/irText/types/smartCastOnReceiverOfGenericType.kt
index 71b87d1..d9b7c44 100644
--- a/compiler/testData/ir/irText/types/smartCastOnReceiverOfGenericType.kt
+++ b/compiler/testData/ir/irText/types/smartCastOnReceiverOfGenericType.kt
@@ -1,8 +1,5 @@
 // FIR_IDENTICAL
 
-// MUTE_SIGNATURE_COMPARISON_K2: JVM_IR
-// ^ KT-57429
-
 fun testFunction(a: Any, b: Any) {
     a as MutableList<String>
     b as String
diff --git a/compiler/testData/ir/irText/types/typeAliasWithUnsafeVariance.kt b/compiler/testData/ir/irText/types/typeAliasWithUnsafeVariance.kt
index 838019c..d7c7b42 100644
--- a/compiler/testData/ir/irText/types/typeAliasWithUnsafeVariance.kt
+++ b/compiler/testData/ir/irText/types/typeAliasWithUnsafeVariance.kt
@@ -1,9 +1,6 @@
 // KT-42036
 // IGNORE_BACKEND: JS_IR
 
-// MUTE_SIGNATURE_COMPARISON_K2: ANY
-// ^ KT-57429
-
 typealias Action<RenderingT> = (@UnsafeVariance RenderingT) -> Unit
 
 data class Tag<out RenderingT>(val action: Action<RenderingT>)