Enable lightweight lambdas (aka invokedynamic) since 2.0

#KT-45375 Fixed
 #KT-58173 Open

analysis/analysis-api/testData/components/compilerFacility/compilation/codeFragments/capturing/localFunctionExtensionReceiverClosure.txt

@@ -1,6 +1,5 @@
 public final class CodeFragment {
     // source: 'fragment.kt'
-    inner (anonymous) class ContextKt$test$1
     public method <init>(): void
     public final static method run(p0: java.lang.String): void
 }

analysis/analysis-api/testData/components/compilerFacility/compilation/codeFragments/capturing/localFunctionLambdaParameterClosure.txt

@@ -1,6 +1,5 @@
 public final class CodeFragment {
     // source: 'fragment.kt'
-    inner (anonymous) class ContextKt$test$1
     public method <init>(): void
     public final static method run(p0: java.lang.String): void
 }

compiler/testData/codegen/box/coroutines/suspendConversion/onInlineArgument.fir.txt

@@ -0,0 +1,27 @@
+@kotlin.coroutines.jvm.internal.DebugMetadata
+@kotlin.Metadata
+final class OnInlineArgumentKt$box$1 {
+    // source: 'onInlineArgument.kt'
+    enclosing method OnInlineArgumentKt.box()Ljava/lang/String;
+    synthetic final field $lambda: kotlin.jvm.functions.Function1
+    synthetic final field $test: kotlin.jvm.internal.Ref$ObjectRef
+    field label: int
+    inner (anonymous) class OnInlineArgumentKt$box$1
+    method <init>(p0: kotlin.jvm.internal.Ref$ObjectRef, p1: kotlin.jvm.functions.Function1, p2: kotlin.coroutines.Continuation): void
+    public final method create(p0: kotlin.coroutines.Continuation): kotlin.coroutines.Continuation
+    public synthetic bridge method invoke(p0: java.lang.Object): java.lang.Object
+    public final method invoke(p0: kotlin.coroutines.Continuation): java.lang.Object
+    public final method invokeSuspend(p0: java.lang.Object): java.lang.Object
+    public final inner class kotlin/jvm/internal/Ref$ObjectRef
+}
+
+@kotlin.Metadata
+public final class OnInlineArgumentKt {
+    // source: 'onInlineArgument.kt'
+    inner (anonymous) class OnInlineArgumentKt$box$1
+    private final static method box$lambda$0(p0: java.lang.String): java.lang.String
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+    private final static method runS$$forInline(p0: kotlin.jvm.functions.Function2, p1: kotlin.coroutines.Continuation): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method runS(@org.jetbrains.annotations.NotNull p0: kotlin.jvm.functions.Function2, @org.jetbrains.annotations.NotNull p1: kotlin.coroutines.Continuation): java.lang.Object
+    public final inner class kotlin/jvm/internal/Ref$ObjectRef
+}

compiler/testData/codegen/boxInline/anonymousObject/inlineCallInsideInlineLambda.fir.smap

@@ -0,0 +1,27 @@
+// FILE: 1.kt
+
+// FILE: 2.kt
+SMAP
+2.kt
+Kotlin
+*S Kotlin
+*F
++ 1 2.kt
+_2Kt
++ 2 1.kt
+test/B
++ 3 1.kt
+test/A
+*L
+1#1,37:1
+15#2,2:38
+9#3,2:40
+*S KotlinDebug
+*F
++ 1 2.kt
+_2Kt
+*L
+27#1:38,2
+29#1:40,2
+*E
+

compiler/testData/codegen/boxInline/anonymousObject/kt13133.kt

@@ -1,5 +1,6 @@
 // TARGET_BACKEND: JVM
 // WITH_REFLECT
+// IGNORE_INLINER_K2: IR
 // FILE: 1.kt
 
 package test

compiler/testData/codegen/boxInline/anonymousObject/kt17972_4.kt

@@ -1,3 +1,4 @@
+// IGNORE_INLINER_K2: IR
 // NO_CHECK_LAMBDA_INLINING
 // FILE: 1.kt
 package test

compiler/testData/codegen/boxInline/anonymousObject/kt17972_super3.kt

@@ -1,3 +1,4 @@
+// IGNORE_INLINER_K2: IR
 // NO_CHECK_LAMBDA_INLINING
 // FILE: 1.kt
 package test

compiler/testData/codegen/boxInline/anonymousObject/properRecapturing/lambdaChain_2.kt

@@ -1,3 +1,4 @@
+// IGNORE_INLINER_K2: IR
 // FILE: 1.kt
 
 package test

compiler/testData/codegen/boxInline/anonymousObject/properRecapturing/lambdaChain_3.kt

@@ -1,3 +1,4 @@
+// IGNORE_INLINER_K2: IR
 // FILE: 1.kt
 
 package test

compiler/testData/codegen/boxInline/anonymousObject/properRecapturingInClass/inlinelambdaChain.kt

@@ -1,3 +1,4 @@
+// IGNORE_INLINER_K2: IR
 // NO_CHECK_LAMBDA_INLINING
 // FILE: 1.kt
 

compiler/testData/codegen/boxInline/anonymousObject/properRecapturingInClass/lambdaChainSimple_2.kt

@@ -1,3 +1,4 @@
+// IGNORE_INLINER_K2: IR
 // NO_CHECK_LAMBDA_INLINING
 // FILE: 1.kt
 

compiler/testData/codegen/boxInline/anonymousObject/properRecapturingInClass/lambdaChain_2.kt

@@ -1,3 +1,4 @@
+// IGNORE_INLINER_K2: IR
 // NO_CHECK_LAMBDA_INLINING
 // FILE: 1.kt
 

compiler/testData/codegen/boxInline/anonymousObject/properRecapturingInClass/lambdaChain_3.kt

@@ -1,3 +1,4 @@
+// IGNORE_INLINER_K2: IR
 // NO_CHECK_LAMBDA_INLINING
 // FILE: 1.kt
 

compiler/testData/codegen/boxInline/enclosingInfo/inlineChain.kt

@@ -1,5 +1,6 @@
 // WITH_REFLECT
 // TARGET_BACKEND: JVM
+// IGNORE_INLINER_K2: IR
 // FILE: 1.kt
 package test
 

compiler/testData/codegen/boxInline/lambdaClassClash/lambdaClassClash.kt

@@ -1,4 +1,5 @@
 // NO_CHECK_LAMBDA_INLINING
+// IGNORE_INLINER_K2: IR
 // FILE: 1.kt
 
 package zzz

compiler/testData/codegen/boxInline/simple/rootConstructor.kt

@@ -1,4 +1,5 @@
 // NO_CHECK_LAMBDA_INLINING
+// IGNORE_INLINER_K2: IR
 // FILE: 1.kt
 
 package test

compiler/testData/codegen/boxInline/smap/anonymous/lambda.kt

@@ -1,5 +1,5 @@
 // NO_CHECK_LAMBDA_INLINING
-
+// IGNORE_INLINER_K2: IR
 // FILE: 1.kt
 
 package builders

compiler/testData/codegen/boxInline/smap/anonymous/severalMappingsForDefaultFile.kt

@@ -1,8 +1,8 @@
+// IGNORE_INLINER_K2: IR
 // FILE: 1.kt
 // NO_SMAP_DUMP
 package test
 
-
 inline fun annotatedWith2(crossinline predicate: () -> Boolean)
     { val lambda = { any { predicate() } }; lambda() }
 

compiler/testData/codegen/boxInline/smap/defaultLambda/defaultLambdaInAnonymous.kt

@@ -1,3 +1,4 @@
+// IGNORE_INLINER_K2: IR
 // SEPARATE_SMAP_DUMPS
 // SKIP_INLINE_CHECK_IN: lParams$default
 

compiler/testData/codegen/boxInline/smap/defaultLambda/defaultLambdaInAnonymous.smap-nonseparate-compilation

@@ -7,7 +7,7 @@ Kotlin
 + 1 1.kt
 test/_1Kt$lParams$1
 *L
-1#1,40:1
+1#1,41:1
 *E
 
 SMAP
@@ -20,14 +20,14 @@ test/_1Kt$lParams$1$lambda$1
 + 2 1.kt
 test/_1Kt
 *L
-1#1,40:1
+1#1,41:1
-31#2:41
+32#2:42
 *S KotlinDebug
 *F
 + 1 1.kt
 test/_1Kt$lParams$1$lambda$1
 *L
-34#1:41
+35#1:42
 *E
 
 SMAP
@@ -40,8 +40,8 @@ test/_1Kt$kValue$lambda$1
 + 2 1.kt
 test/_1Kt$lParams$1$lambda$1
 *L
-1#1,40:1
+1#1,41:1
-34#2:41
+35#2:42
 *E
 
 SMAP
@@ -52,7 +52,7 @@ Kotlin
 + 1 1.kt
 test/_1Kt$kValue$lambda$1
 *L
-1#1,40:1
+1#1,41:1
 *E
 
 // FILE: 2.kt
@@ -68,15 +68,15 @@ test/_1Kt
 + 3 1.kt
 test/_1Kt$lParams$1
 *L
-1#1,46:1
+1#1,47:1
-33#2,5:47
+34#2,5:48
-34#3:52
+35#3:53
 *S KotlinDebug
 *F
 + 1 2.kt
 _2Kt
 *L
-44#1:47,5
+45#1:48,5
-44#1:52
+45#1:53
 *E
 

compiler/testData/codegen/boxInline/smap/defaultLambda/defaultLambdaInAnonymous.smap-separate-compilation

@@ -7,7 +7,7 @@ Kotlin
 + 1 1.kt
 test/_1Kt$lParams$1
 *L
-1#1,40:1
+1#1,41:1
 *E
 
 SMAP
@@ -20,14 +20,14 @@ test/_1Kt$lParams$1$lambda$1
 + 2 1.kt
 test/_1Kt
 *L
-1#1,40:1
+1#1,41:1
-31#2:41
+32#2:42
 *S KotlinDebug
 *F
 + 1 1.kt
 test/_1Kt$lParams$1$lambda$1
 *L
-34#1:41
+35#1:42
 *E
 
 SMAP
@@ -40,8 +40,8 @@ test/_1Kt$kValue$lambda$1
 + 2 1.kt
 test/_1Kt$lParams$1$lambda$1
 *L
-1#1,40:1
+1#1,41:1
-34#2:41
+35#2:42
 *E
 
 SMAP
@@ -52,7 +52,7 @@ Kotlin
 + 1 1.kt
 test/_1Kt$kValue$lambda$1
 *L
-1#1,40:1
+1#1,41:1
 *E
 
 // FILE: 2.kt
@@ -68,16 +68,16 @@ test/_1Kt
 + 3 1.kt
 test/_1Kt$lParams$1
 *L
-1#1,46:1
+1#1,47:1
-33#2,5:47
+34#2,5:48
-34#3:52
+35#3:53
 *S KotlinDebug
 *F
 + 1 2.kt
 _2Kt
 *L
-44#1:47,5
+45#1:48,5
-44#1:52
+45#1:53
 *E
 
 SMAP
@@ -90,14 +90,14 @@ test/_1Kt$lParams$1$lambda$1
 + 2 1.kt
 test/_1Kt
 *L
-1#1,40:1
+1#1,41:1
-31#2:41
+32#2:42
 *S KotlinDebug
 *F
 + 1 1.kt
 test/_1Kt$lParams$1$lambda$1
 *L
-34#1:41
+35#1:42
 *E
 
 SMAP
@@ -110,7 +110,7 @@ test/_1Kt$kValue$lambda$1
 + 2 1.kt
 test/_1Kt$lParams$1$lambda$1
 *L
-1#1,40:1
+1#1,41:1
-34#2:41
+35#2:42
 *E
 

compiler/testData/codegen/boxInline/smap/defaultLambda/inlineAnonymousInDefault.kt

@@ -1,7 +1,7 @@
 // SEPARATE_SMAP_DUMPS
 // SKIP_INLINE_CHECK_IN: lParams$default
 // IGNORE_BACKEND: JS
-
+// IGNORE_INLINER_K2: IR
 // FILE: 1.kt
 
 package test

compiler/testData/codegen/boxInline/smap/defaultLambda/inlineAnonymousInDefault2.kt

@@ -1,7 +1,7 @@
 // SEPARATE_SMAP_DUMPS
 // SKIP_INLINE_CHECK_IN: lParams$default
 // IGNORE_BACKEND: JS
-
+// IGNORE_INLINER_K2: IR
 // FILE: 1.kt
 
 package test

compiler/testData/codegen/boxInline/smap/defaultLambda/nested.kt

@@ -1,5 +1,5 @@
+// IGNORE_INLINER_K2: IR
 // SKIP_INLINE_CHECK_IN: inlineFun$default
-
 // FILE: 1.kt
 
 

compiler/testData/codegen/boxInline/smap/newsmap/mappingInInlineFunLambda.kt

@@ -1,3 +1,4 @@
+// IGNORE_INLINER_K2: IR
 // FILE: 1.kt
 
 package test

compiler/testData/codegen/boxInline/smap/newsmap/mappingInInlineFunLambda.smap

@@ -9,14 +9,14 @@ test/_1Kt$test$lambda$1
 + 2 1.kt
 test/_1Kt
 *L
-1#1,18:1
+1#1,19:1
-6#2,3:19
+7#2,3:20
 *S KotlinDebug
 *F
 + 1 1.kt
 test/_1Kt$test$lambda$1
 *L
-13#1:19,3
+14#1:20,3
 *E
 
 // FILE: 2.kt
@@ -30,14 +30,14 @@ _2Kt
 + 2 1.kt
 test/_1Kt
 *L
-1#1,31:1
+1#1,32:1
-11#2,6:32
+12#2,6:33
 *S KotlinDebug
 *F
 + 1 2.kt
 _2Kt
 *L
-25#1:32,6
+26#1:33,6
 *E
 
 SMAP
@@ -52,16 +52,16 @@ test/_1Kt
 + 3 2.kt
 _2Kt
 *L
-1#1,18:1
+1#1,19:1
-6#2,2:19
+7#2,2:20
-8#2:23
+9#2:24
-26#3,2:21
+27#3,2:22
 *S KotlinDebug
 *F
 + 1 1.kt
 test/_1Kt$test$lambda$1
 *L
-13#1:19,2
+14#1:20,2
-13#1:23
+14#1:24
 *E
 

compiler/testData/codegen/boxInline/smap/newsmap/mappingInSubInlineLambda.fir.smap

@@ -0,0 +1,25 @@
+// FILE: 1.kt
+
+// FILE: 2.kt
+SMAP
+2.kt
+Kotlin
+*S Kotlin
+*F
++ 1 2.kt
+_2Kt
++ 2 1.kt
+test/_1Kt
+*L
+1#1,36:1
+6#2,4:37
+12#2,3:41
+*S KotlinDebug
+*F
++ 1 2.kt
+_2Kt
+*L
+26#1:37,4
+28#1:41,3
+*E
+

compiler/testData/codegen/boxInline/smap/newsmap/mappingInSubInlineLambdaSameFileInline.fir.smap

@@ -0,0 +1,25 @@
+// FILE: 1.kt
+
+// FILE: 2.kt
+SMAP
+2.kt
+Kotlin
+*S Kotlin
+*F
++ 1 2.kt
+_2Kt
++ 2 1.kt
+test/_1Kt
+*L
+1#1,36:1
+16#1,3:41
+6#2,4:37
+*S KotlinDebug
+*F
++ 1 2.kt
+_2Kt
+*L
+28#1:41,3
+26#1:37,4
+*E
+

compiler/testData/codegen/bytecodeListing/accessorForProtectedPropertyWithPrivateSetter.fir.txt

@@ -0,0 +1,19 @@
+@kotlin.Metadata
+public final class B {
+    // source: 'accessorForProtectedPropertyWithPrivateSetter.kt'
+    public method <init>(): void
+    private final static method test$lambda$0(p0: B): java.lang.String
+    public final @org.jetbrains.annotations.NotNull method test(): kotlin.jvm.functions.Function0
+}
+
+@kotlin.Metadata
+public class a/A {
+    // source: 'a.kt'
+    private @org.jetbrains.annotations.NotNull field vk: java.lang.String
+    private @org.jetbrains.annotations.NotNull field vo: java.lang.String
+    public method <init>(): void
+    private final static method fk$lambda$0(p0: a.A): java.lang.String
+    public final @org.jetbrains.annotations.NotNull method fk(): kotlin.jvm.functions.Function0
+    protected final @org.jetbrains.annotations.NotNull method getVk(): java.lang.String
+    protected final @org.jetbrains.annotations.NotNull method getVo(): java.lang.String
+}

compiler/testData/codegen/bytecodeListing/accessorForProtectedPropertyWithPrivateSetterInObjectLiteral.fir.txt

@@ -0,0 +1,30 @@
+@kotlin.Metadata
+public final class B$test$1 {
+    // source: 'accessorForProtectedPropertyWithPrivateSetterInObjectLiteral.kt'
+    enclosing method B.test()Ljava/lang/Object;
+    synthetic final field this$0: B
+    inner (anonymous) class B$test$1
+    method <init>(p0: B): void
+    public method toString(): java.lang.String
+}
+
+@kotlin.Metadata
+public final class B {
+    // source: 'accessorForProtectedPropertyWithPrivateSetterInObjectLiteral.kt'
+    inner (anonymous) class B$test$1
+    public method <init>(): void
+    public synthetic final static method access$getVo(p0: B): java.lang.String
+    public final @org.jetbrains.annotations.NotNull method test(): java.lang.Object
+}
+
+@kotlin.Metadata
+public class a/A {
+    // source: 'a.kt'
+    private @org.jetbrains.annotations.NotNull field vk: java.lang.String
+    private @org.jetbrains.annotations.NotNull field vo: java.lang.String
+    public method <init>(): void
+    private final static method fk$lambda$0(p0: a.A): java.lang.String
+    public final @org.jetbrains.annotations.NotNull method fk(): kotlin.jvm.functions.Function0
+    protected final @org.jetbrains.annotations.NotNull method getVk(): java.lang.String
+    protected final @org.jetbrains.annotations.NotNull method getVo(): java.lang.String
+}

compiler/testData/codegen/bytecodeListing/accessorsForProtectedStaticJavaFieldInOtherPackage.fir.txt

@@ -0,0 +1,16 @@
+@kotlin.Metadata
+public final class test/C {
+    // source: 'C.kt'
+    public method <init>(): void
+    private final static method f$lambda$0(): java.lang.String
+    public final @org.jetbrains.annotations.NotNull method f(): java.lang.String
+    private final static method g$lambda$1(): java.lang.String
+    public final @org.jetbrains.annotations.NotNull method g(): kotlin.jvm.functions.Function0
+    public inner class A$B
+}
+
+@kotlin.Metadata
+public final class test/CKt {
+    // source: 'C.kt'
+    public final static method eval(@org.jetbrains.annotations.NotNull p0: kotlin.jvm.functions.Function0): java.lang.Object
+}

compiler/testData/codegen/bytecodeListing/delegatedProperty/delegatedPropertiesInCompanionObject.fir.txt

@@ -0,0 +1,50 @@
+@kotlin.Metadata
+public final class DP {
+    // source: 'delegatedPropertiesInCompanionObject.kt'
+    public method <init>(): void
+    private final static method provideDelegate$lambda$0(): java.lang.String
+    public final @org.jetbrains.annotations.NotNull method provideDelegate(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.NotNull p1: kotlin.reflect.KProperty): kotlin.Lazy
+}
+
+@kotlin.Metadata
+public final class H1$Companion {
+    // source: 'delegatedPropertiesInCompanionObject.kt'
+    synthetic final static field $$delegatedProperties: kotlin.reflect.KProperty[]
+    static method <clinit>(): void
+    private method <init>(): void
+    public synthetic method <init>(p0: kotlin.jvm.internal.DefaultConstructorMarker): void
+    public final @org.jetbrains.annotations.NotNull method getProperty(): java.lang.String
+    public final inner class H1$Companion
+}
+
+@kotlin.Metadata
+public final class H1 {
+    // source: 'delegatedPropertiesInCompanionObject.kt'
+    public final static @org.jetbrains.annotations.NotNull field Companion: H1$Companion
+    private final static @org.jetbrains.annotations.NotNull field property$delegate: kotlin.Lazy
+    static method <clinit>(): void
+    public method <init>(): void
+    public synthetic final static method access$getProperty$delegate$cp(): kotlin.Lazy
+    public final inner class H1$Companion
+}
+
+@kotlin.Metadata
+public final class H2$Companion {
+    // source: 'delegatedPropertiesInCompanionObject.kt'
+    private method <init>(): void
+    public synthetic method <init>(p0: kotlin.jvm.internal.DefaultConstructorMarker): void
+    public final @org.jetbrains.annotations.NotNull method getProperty(): java.lang.String
+    public final inner class H2$Companion
+}
+
+@kotlin.Metadata
+public final class H2 {
+    // source: 'delegatedPropertiesInCompanionObject.kt'
+    public final static @org.jetbrains.annotations.NotNull field Companion: H2$Companion
+    private final static @org.jetbrains.annotations.NotNull field property$delegate: kotlin.Lazy
+    static method <clinit>(): void
+    public method <init>(): void
+    public synthetic final static method access$getProperty$delegate$cp(): kotlin.Lazy
+    private final static method property_delegate$lambda$0(): java.lang.String
+    public final inner class H2$Companion
+}

compiler/testData/codegen/bytecodeListing/fileClassWithPrivateDeclarationsOnly_after.fir.txt

@@ -0,0 +1,11 @@
+@kotlin.Metadata
+final class FileClassWithPrivateDeclarationsOnly_afterKt {
+    // source: 'fileClassWithPrivateDeclarationsOnly_after.kt'
+    private final static @org.jetbrains.annotations.NotNull field a: kotlin.Unit
+    private final static @org.jetbrains.annotations.NotNull field b$delegate: kotlin.Lazy
+    static method <clinit>(): void
+    private final static method b_delegate$lambda$0(): kotlin.Unit
+    private final static method f(): void
+    public final static @kotlin.internal.InlineOnly method g(): void
+    private final static method getB(): kotlin.Unit
+}

compiler/testData/codegen/bytecodeListing/fileClassWithPrivateDeclarationsOnly_before.fir.txt

@@ -0,0 +1,11 @@
+@kotlin.Metadata
+public final class FileClassWithPrivateDeclarationsOnly_beforeKt {
+    // source: 'fileClassWithPrivateDeclarationsOnly_before.kt'
+    private final static @org.jetbrains.annotations.NotNull field a: kotlin.Unit
+    private final static @org.jetbrains.annotations.NotNull field b$delegate: kotlin.Lazy
+    static method <clinit>(): void
+    private final static method b_delegate$lambda$0(): kotlin.Unit
+    private final static method f(): void
+    public final static @kotlin.internal.InlineOnly method g(): void
+    private final static method getB(): kotlin.Unit
+}

compiler/testData/codegen/bytecodeListing/inline/enclosingInfo/kt10259.fir.txt

@@ -0,0 +1,33 @@
+@kotlin.Metadata
+public final class _2Kt$box$1$1$1$q$1 {
+    // source: '2.kt'
+    enclosing method _2Kt.box()V
+    inner (anonymous) class _2Kt$box$1$1$1$q$1
+    method <init>(): void
+}
+
+@kotlin.Metadata
+public final class _2Kt$box$1$1$p$1 {
+    // source: '2.kt'
+    enclosing method _2Kt.box()V
+    inner (anonymous) class _2Kt$box$1$1$p$1
+    method <init>(): void
+}
+
+@kotlin.Metadata
+public final class _2Kt {
+    // source: '2.kt'
+    inner (anonymous) class _2Kt$box$1$1$1$q$1
+    inner (anonymous) class _2Kt$box$1$1$p$1
+    private final static method box$lambda$2$lambda$1$lambda$0(p0: kotlin.jvm.internal.Ref$ObjectRef): kotlin.Unit
+    private final static method box$lambda$2$lambda$1(p0: kotlin.jvm.internal.Ref$ObjectRef, p1: kotlin.jvm.internal.Ref$ObjectRef): kotlin.Unit
+    public final static method box(): void
+    public final static method eval(@org.jetbrains.annotations.NotNull p0: kotlin.jvm.functions.Function0): java.lang.Object
+    public final inner class kotlin/jvm/internal/Ref$ObjectRef
+}
+
+@kotlin.Metadata
+public final class test/_1Kt {
+    // source: '1.kt'
+    public final static method test(@org.jetbrains.annotations.NotNull p0: kotlin.jvm.functions.Function0): void
+}

compiler/testData/codegen/bytecodeListing/inline/enclosingInfo/lambdaInInitBlockNoPrimaryConstructor.fir.txt

@@ -0,0 +1,19 @@
+@kotlin.Metadata
+public interface A {
+    // source: 'lambdaInInitBlockNoPrimaryConstructor.kt'
+}
+
+@kotlin.Metadata
+public interface B {
+    // source: 'lambdaInInitBlockNoPrimaryConstructor.kt'
+}
+
+@kotlin.Metadata
+public final class E {
+    // source: 'lambdaInInitBlockNoPrimaryConstructor.kt'
+    private final field irrelevantField: int
+    public method <init>(@org.jetbrains.annotations.NotNull p0: A): void
+    public method <init>(@org.jetbrains.annotations.NotNull p0: B): void
+    private final static method _init_$lambda$0(): kotlin.Unit
+    public final method getIrrelevantField(): int
+}

compiler/testData/codegen/bytecodeListing/inline/enclosingInfo/lambdaInInnerClassConstructor.fir.txt

@@ -0,0 +1,17 @@
+@kotlin.Metadata
+public final class Outer$Inner {
+    // source: 'lambdaInInnerClassConstructor.kt'
+    private final @org.jetbrains.annotations.NotNull field lambda: kotlin.jvm.functions.Function0
+    synthetic final field this$0: Outer
+    public method <init>(p0: Outer): void
+    public final @org.jetbrains.annotations.NotNull method getLambda(): kotlin.jvm.functions.Function0
+    private final static method lambda$lambda$0(): kotlin.Unit
+    public final inner class Outer$Inner
+}
+
+@kotlin.Metadata
+public final class Outer {
+    // source: 'lambdaInInnerClassConstructor.kt'
+    public method <init>(): void
+    public final inner class Outer$Inner
+}

compiler/testData/codegen/bytecodeListing/sam/privateInlineSamAdapter.fir.txt

@@ -0,0 +1,17 @@
+@kotlin.Metadata
+synthetic final class<null>  test/PrivateInlineSamAdapterKt$sam$java_lang_Runnable$0 {
+    // source: 'privateInlineSamAdapter.kt'
+    <null> method <init>(p0: kotlin.jvm.functions.Function0): void
+    public synthetic final <null> method run(): void
+    enclosing class test/PrivateInlineSamAdapterKt
+    private synthetic final field <null> function: kotlin.jvm.functions.Function0
+    inner (anonymous) class test/PrivateInlineSamAdapterKt$sam$java_lang_Runnable$0
+}
+
+@kotlin.Metadata
+public final class<null>  test/PrivateInlineSamAdapterKt {
+    // source: 'privateInlineSamAdapter.kt'
+    private final static <null> method test$lambda$0(): kotlin.Unit
+    public final static <null> method test(): void
+    inner (anonymous) class test/PrivateInlineSamAdapterKt$sam$java_lang_Runnable$0
+}

compiler/testData/codegen/bytecodeListing/sam/reusedSamWrapperClasses.fir.txt

@@ -0,0 +1,27 @@
+@kotlin.Metadata
+synthetic final class A$sam$java_lang_Runnable$0 {
+    // source: 'reusedSamWrapperClasses.kt'
+    enclosing class A
+    private synthetic final field function: kotlin.jvm.functions.Function0
+    inner (anonymous) class A$sam$java_lang_Runnable$0
+    method <init>(p0: kotlin.jvm.functions.Function0): void
+    public synthetic final method run(): void
+}
+
+@kotlin.Metadata
+public final class A {
+    // source: 'reusedSamWrapperClasses.kt'
+    inner (anonymous) class A$sam$java_lang_Runnable$0
+    public method <init>(): void
+    private final static method test1$lambda$0(): kotlin.Unit
+    public final method test1(): void
+}
+
+@kotlin.Metadata
+public final class B {
+    // source: 'reusedSamWrapperClasses.kt'
+    inner (anonymous) class A$sam$java_lang_Runnable$0
+    public method <init>(): void
+    private final static method test2$lambda$0(): kotlin.Unit
+    public final method test2(): void
+}

compiler/testData/codegen/bytecodeListing/sam/samAdapterInInlineLambda.fir.txt

@@ -0,0 +1,17 @@
+@kotlin.Metadata
+synthetic final class<null>  test/SamAdapterInInlineLambdaKt$sam$java_lang_Runnable$0 {
+    // source: 'samAdapterInInlineLambda.kt'
+    <null> method <init>(p0: kotlin.jvm.functions.Function0): void
+    public synthetic final <null> method run(): void
+    enclosing class test/SamAdapterInInlineLambdaKt
+    private synthetic final field <null> function: kotlin.jvm.functions.Function0
+    inner (anonymous) class test/SamAdapterInInlineLambdaKt$sam$java_lang_Runnable$0
+}
+
+@kotlin.Metadata
+public final class<null>  test/SamAdapterInInlineLambdaKt {
+    // source: 'samAdapterInInlineLambda.kt'
+    private final static <null> method test$lambda$0(): kotlin.Unit
+    public final static <null> method test(): void
+    inner (anonymous) class test/SamAdapterInInlineLambdaKt$sam$java_lang_Runnable$0
+}

compiler/testData/codegen/bytecodeListing/sam/wrapperInlinedFromAnotherClass.fir.txt

@@ -0,0 +1,57 @@
+@kotlin.Metadata
+public final class A {
+    // source: 'wrapperInlinedFromAnotherClass.kt'
+    public method <init>(): void
+    public final @org.jetbrains.annotations.NotNull method test1a(): java.lang.Runnable
+    public final @org.jetbrains.annotations.NotNull method test1b(): java.lang.Runnable
+    public final @org.jetbrains.annotations.NotNull method test2a(): java.lang.Runnable
+    public final @org.jetbrains.annotations.NotNull method test2b(): java.lang.Runnable
+    private final static method testRunnableSamCtor1$lambda$0(): kotlin.Unit
+    public final @org.jetbrains.annotations.NotNull method testRunnableSamCtor1(): java.lang.Runnable
+    private final static method testRunnableSamCtor2$lambda$1(): kotlin.Unit
+    public final @org.jetbrains.annotations.NotNull method testRunnableSamCtor2(): java.lang.Runnable
+}
+
+@kotlin.Metadata
+public final class B$runnable1$1 {
+    // source: 'wrapperInlinedFromAnotherClass.kt'
+    enclosing method B.runnable1()Ljava/lang/Runnable;
+    public final static field INSTANCE: B$runnable1$1
+    inner (anonymous) class B$runnable1$1
+    static method <clinit>(): void
+    public method <init>(): void
+    public final method run(): void
+}
+
+@kotlin.Metadata
+public final class B$runnable2$1 {
+    // source: 'wrapperInlinedFromAnotherClass.kt'
+    enclosing method B.runnable2()Ljava/lang/Runnable;
+    public final static field INSTANCE: B$runnable2$1
+    inner (anonymous) class B$runnable2$1
+    static method <clinit>(): void
+    public method <init>(): void
+    public final method run(): void
+}
+
+@kotlin.Metadata
+public synthetic final class B$sam$i$java_lang_Runnable$0 {
+    // source: 'wrapperInlinedFromAnotherClass.kt'
+    enclosing class B
+    private synthetic final field function: kotlin.jvm.functions.Function0
+    inner (anonymous) class B$sam$i$java_lang_Runnable$0
+    public method <init>(p0: kotlin.jvm.functions.Function0): void
+    public synthetic final method run(): void
+}
+
+@kotlin.Metadata
+public final class B {
+    // source: 'wrapperInlinedFromAnotherClass.kt'
+    inner (anonymous) class B$runnable1$1
+    inner (anonymous) class B$runnable2$1
+    inner (anonymous) class B$sam$i$java_lang_Runnable$0
+    public method <init>(): void
+    public final @org.jetbrains.annotations.NotNull method runnable1(): java.lang.Runnable
+    public final @org.jetbrains.annotations.NotNull method runnable2(): java.lang.Runnable
+    public final @org.jetbrains.annotations.NotNull method runnableSamCtor(@org.jetbrains.annotations.NotNull p0: kotlin.jvm.functions.Function0): java.lang.Runnable
+}

compiler/testData/codegen/bytecodeListing/strictfpFlag.fir.txt

@@ -0,0 +1,49 @@
+@kotlin.Metadata
+public final class C$Companion {
+    // source: 'strictfpFlag.kt'
+    private method <init>(): void
+    public synthetic method <init>(p0: kotlin.jvm.internal.DefaultConstructorMarker): void
+    public final strict @kotlin.jvm.JvmStatic method testJvmStatic(): void
+    public final inner class C$Companion
+}
+
+@kotlin.Metadata
+public final class C {
+    // source: 'strictfpFlag.kt'
+    public final static @org.jetbrains.annotations.NotNull field Companion: C$Companion
+    static method <clinit>(): void
+    public method <init>(): void
+    private final static method lambda$lambda$0(p0: C): kotlin.Unit
+    public final @org.jetbrains.annotations.NotNull method lambda(): kotlin.jvm.functions.Function0
+    private final strict method testAccessor(): void
+    public final strict static @kotlin.jvm.JvmStatic method testJvmStatic(): void
+    public final inner class C$Companion
+}
+
+@kotlin.jvm.JvmInline
+@kotlin.Metadata
+public final class IC {
+    // source: 'strictfpFlag.kt'
+    private final field x: int
+    private synthetic method <init>(p0: int): void
+    public synthetic final static method box-impl(p0: int): IC
+    public static method constructor-impl(p0: int): int
+    public method equals(p0: java.lang.Object): boolean
+    public static method equals-impl(p0: int, p1: java.lang.Object): boolean
+    public final static method equals-impl0(p0: int, p1: int): boolean
+    public final method getX(): int
+    public method hashCode(): int
+    public static method hashCode-impl(p0: int): int
+    public final strict static method testInlineClassFun-impl(p0: int): void
+    public method toString(): java.lang.String
+    public static method toString-impl(p0: int): java.lang.String
+    public synthetic final method unbox-impl(): int
+}
+
+@kotlin.Metadata
+public final class StrictfpFlagKt {
+    // source: 'strictfpFlag.kt'
+    public synthetic static method testJvmOverloads$default(p0: int, p1: int, p2: java.lang.Object): void
+    public final static @kotlin.jvm.JvmOverloads method testJvmOverloads(): void
+    public final strict static @kotlin.jvm.JvmOverloads method testJvmOverloads(p0: int): void
+}

compiler/testData/codegen/bytecodeListing/synchronizedFlag.fir.txt

@@ -0,0 +1,49 @@
+@kotlin.Metadata
+public final class C$Companion {
+    // source: 'synchronizedFlag.kt'
+    private method <init>(): void
+    public synthetic method <init>(p0: kotlin.jvm.internal.DefaultConstructorMarker): void
+    public synchronized final @kotlin.jvm.JvmStatic method testJvmStatic(): void
+    public final inner class C$Companion
+}
+
+@kotlin.Metadata
+public final class C {
+    // source: 'synchronizedFlag.kt'
+    public final static @org.jetbrains.annotations.NotNull field Companion: C$Companion
+    static method <clinit>(): void
+    public method <init>(): void
+    private final static method lambda$lambda$0(p0: C): kotlin.Unit
+    public final @org.jetbrains.annotations.NotNull method lambda(): kotlin.jvm.functions.Function0
+    private synchronized final method testAccessor(): void
+    public synchronized final static @kotlin.jvm.JvmStatic method testJvmStatic(): void
+    public final inner class C$Companion
+}
+
+@kotlin.jvm.JvmInline
+@kotlin.Metadata
+public final class IC {
+    // source: 'synchronizedFlag.kt'
+    private final field x: int
+    private synthetic method <init>(p0: int): void
+    public synthetic final static method box-impl(p0: int): IC
+    public static method constructor-impl(p0: int): int
+    public method equals(p0: java.lang.Object): boolean
+    public static method equals-impl(p0: int, p1: java.lang.Object): boolean
+    public final static method equals-impl0(p0: int, p1: int): boolean
+    public final method getX(): int
+    public method hashCode(): int
+    public static method hashCode-impl(p0: int): int
+    public synchronized final static method testInlineClassFun-impl(p0: int): void
+    public method toString(): java.lang.String
+    public static method toString-impl(p0: int): java.lang.String
+    public synthetic final method unbox-impl(): int
+}
+
+@kotlin.Metadata
+public final class SynchronizedFlagKt {
+    // source: 'synchronizedFlag.kt'
+    public synthetic static method testJvmOverloads$default(p0: int, p1: int, p2: java.lang.Object): void
+    public final static @kotlin.jvm.JvmOverloads method testJvmOverloads(): void
+    public synchronized final static @kotlin.jvm.JvmOverloads method testJvmOverloads(p0: int): void
+}

compiler/testData/codegen/bytecodeText/mangling/parentheses.kt

@@ -1,4 +1,5 @@
 // !SANITIZE_PARENTHESES
+// IGNORE_BACKEND_K1: JVM_IR
 
 class `(X)` {
     fun `(Y)`(): String {
@@ -23,4 +24,4 @@ fun box(): String {
 // 1 \(Y\)
 
 // JVM_IR_TEMPLATES
-// 4 this\$0
+// 3 this\$0

compiler/testData/debug/localVariables/destructuring/lambda.kt

@@ -8,7 +8,7 @@ fun box() {
     foo(A("O", 123)) { (x, y) -> x + y }
 }
 
-// EXPECTATIONS JVM_IR
+// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:8 box:
 // test.kt:3 <init>: x:java.lang.String="O":java.lang.String, y:int=123:int
 // test.kt:8 box:
@@ -18,6 +18,16 @@ fun box() {
 // test.kt:8 box:
 // test.kt:9 box:
 
+// EXPECTATIONS FIR JVM_IR
+// test.kt:8 box:
+// test.kt:3 <init>: x:java.lang.String="O":java.lang.String, y:int=123:int
+// test.kt:8 box:
+// test.kt:5 foo: a:A=A, block:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:8 box$lambda$0:
+// test.kt:5 foo: a:A=A, block:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:8 box:
+// test.kt:9 box:
+
 // EXPECTATIONS JS_IR
 // test.kt:8 box:
 // test.kt:3 <init>: x="O":kotlin.String, y=123:number

compiler/testData/debug/localVariables/destructuring/lambdaCustomComponentNs.kt

@@ -16,7 +16,7 @@ fun box() {
     foo(MyPair("X", "Y")) { (x, y) -> x + y }
 }
 
-// EXPECTATIONS JVM_IR
+// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:16 box:
 // test.kt:3 <init>: x:java.lang.String="X":java.lang.String, y:java.lang.String="Y":java.lang.String
 // test.kt:16 box:
@@ -30,6 +30,20 @@ fun box() {
 // test.kt:16 box:
 // test.kt:17 box:
 
+// EXPECTATIONS FIR JVM_IR
+// test.kt:16 box:
+// test.kt:3 <init>: x:java.lang.String="X":java.lang.String, y:java.lang.String="Y":java.lang.String
+// test.kt:16 box:
+// test.kt:13 foo: a:MyPair=MyPair, block:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:16 box$lambda$0:
+// test.kt:5 component1:
+// test.kt:16 box$lambda$0:
+// test.kt:9 component2:
+// test.kt:16 box$lambda$0: x:java.lang.String="O":java.lang.String
+// test.kt:13 foo: a:MyPair=MyPair, block:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:16 box:
+// test.kt:17 box:
+
 // EXPECTATIONS JS_IR
 // test.kt:16 box:
 // test.kt:3 <init>: x="X":kotlin.String, y="Y":kotlin.String

compiler/testData/debug/localVariables/destructuring/lambdaCustomComponentNsMultiline.kt

@@ -26,23 +26,15 @@ fun box() {
     }
 }
 
-// EXPECTATIONS JVM_IR
+// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:17 box:
 // test.kt:4 <init>: x:java.lang.String="X":java.lang.String, y:java.lang.String="Y":java.lang.String
 // test.kt:17 box:
 // test.kt:14 foo: a:MyPair=MyPair, block:kotlin.jvm.functions.Function1=TestKt$box$1
-// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:19 invoke:
-// EXPECTATIONS FIR JVM_IR
-// test.kt:20 invoke:
-// EXPECTATIONS JVM_IR
 // test.kt:6 component1:
 // test.kt:20 invoke:
-// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:19 invoke: x:java.lang.String="O":java.lang.String
-// EXPECTATIONS FIR JVM_IR
-// test.kt:22 invoke: x:java.lang.String="O":java.lang.String
-// EXPECTATIONS JVM_IR
 // test.kt:10 component2:
 // test.kt:22 invoke: x:java.lang.String="O":java.lang.String
 // test.kt:25 invoke: x:java.lang.String="O":java.lang.String, y:java.lang.String="K":java.lang.String
@@ -50,6 +42,22 @@ fun box() {
 // test.kt:17 box:
 // test.kt:27 box:
 
+// EXPECTATIONS FIR JVM_IR
+// test.kt:17 box:
+// test.kt:4 <init>: x:java.lang.String="X":java.lang.String, y:java.lang.String="Y":java.lang.String
+// test.kt:17 box:
+// test.kt:14 foo: a:MyPair=MyPair, block:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:20 box$lambda$0:
+// test.kt:6 component1:
+// test.kt:20 box$lambda$0:
+// test.kt:22 box$lambda$0: x:java.lang.String="O":java.lang.String
+// test.kt:10 component2:
+// test.kt:22 box$lambda$0: x:java.lang.String="O":java.lang.String
+// test.kt:25 box$lambda$0: x:java.lang.String="O":java.lang.String, y:java.lang.String="K":java.lang.String
+// test.kt:14 foo: a:MyPair=MyPair, block:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:17 box:
+// test.kt:27 box:
+
 // EXPECTATIONS JS_IR
 // test.kt:17 box:
 // test.kt:4 <init>: x="X":kotlin.String, y="Y":kotlin.String

compiler/testData/debug/localVariables/destructuring/lambdaMultiline.kt

@@ -20,24 +20,32 @@ fun box() {
     return
 }
 
-// EXPECTATIONS JVM_IR
+// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:9 box:
 // test.kt:4 <init>: x:java.lang.String="O":java.lang.String, y:int=123:int
 // test.kt:9 box:
 // test.kt:6 foo: a:A=A, block:kotlin.jvm.functions.Function1=TestKt$box$1
-// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:11 invoke:
-// EXPECTATIONS JVM_IR
 // test.kt:12 invoke:
-// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:11 invoke: x:java.lang.String="O":java.lang.String
-// EXPECTATIONS JVM_IR
 // test.kt:14 invoke: x:java.lang.String="O":java.lang.String
 // test.kt:17 invoke: x:java.lang.String="O":java.lang.String, y:int=123:int
 // test.kt:6 foo: a:A=A, block:kotlin.jvm.functions.Function1=TestKt$box$1
 // test.kt:9 box:
 // test.kt:20 box:
 
+// EXPECTATIONS FIR JVM_IR
+// test.kt:9 box:
+// test.kt:4 <init>: x:java.lang.String="O":java.lang.String, y:int=123:int
+// test.kt:9 box:
+// test.kt:6 foo: a:A=A, block:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:12 box$lambda$0:
+// test.kt:14 box$lambda$0: x:java.lang.String="O":java.lang.String
+// test.kt:17 box$lambda$0: x:java.lang.String="O":java.lang.String, y:int=123:int
+// test.kt:6 foo: a:A=A, block:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:9 box:
+// test.kt:20 box:
+
 // EXPECTATIONS JS_IR
 // test.kt:9 box:
 // test.kt:4 <init>: x="O":kotlin.String, y=123:number

compiler/testData/debug/localVariables/receiverMangling/labeledThisParameterLabel.kt

@@ -10,7 +10,7 @@ fun box() {
     }
 }
 
-// EXPECTATIONS JVM_IR
+// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:8 box:
 // test.kt:5 blockFun: blockArg:kotlin.jvm.functions.Function1=TestKt$box$1
 // test.kt:9 invoke: $this$blockFun:java.lang.String="OK":java.lang.String
@@ -18,6 +18,14 @@ fun box() {
 // test.kt:5 blockFun: blockArg:kotlin.jvm.functions.Function1=TestKt$box$1
 // test.kt:11 box:
 
+// EXPECTATIONS FIR JVM_IR
+// test.kt:8 box:
+// test.kt:5 blockFun: blockArg:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:9 box$lambda$0: $this$blockFun:java.lang.String="OK":java.lang.String
+// test.kt:10 box$lambda$0: $this$blockFun:java.lang.String="OK":java.lang.String
+// test.kt:5 blockFun: blockArg:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:11 box:
+
 // EXPECTATIONS JS_IR
 // test.kt:8 box:
 // test.kt:5 blockFun: blockArg=Function1

compiler/testData/debug/localVariables/receiverMangling/lambdaWithExtensionReceiver.kt

@@ -10,7 +10,7 @@ fun box() {
     }
 }
 
-// EXPECTATIONS JVM_IR
+// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:8 box:
 // test.kt:4 foo: block:kotlin.jvm.functions.Function1=TestKt$box$1
 // test.kt:9 invoke: $this$foo:long=1:long
@@ -18,6 +18,14 @@ fun box() {
 // test.kt:8 box:
 // test.kt:11 box:
 
+// EXPECTATIONS FIR JVM_IR
+// test.kt:8 box:
+// test.kt:4 foo: block:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:9 box$lambda$0: $this$foo:long=1:long
+// test.kt:4 foo: block:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:8 box:
+// test.kt:11 box:
+
 // EXPECTATIONS JS_IR
 // test.kt:8 box:
 // test.kt:4 foo: block=Function1

compiler/testData/debug/localVariables/receiverMangling/simpleCapturedReceiver.kt

@@ -10,7 +10,7 @@ fun box() {
     }
 }
 
-// EXPECTATIONS JVM_IR
+// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:8 box:
 // test.kt:5 blockFun: blockArg:kotlin.jvm.functions.Function1=TestKt$box$1
 // test.kt:9 invoke: $this$blockFun:java.lang.String="OK":java.lang.String
@@ -18,6 +18,14 @@ fun box() {
 // test.kt:5 blockFun: blockArg:kotlin.jvm.functions.Function1=TestKt$box$1
 // test.kt:11 box:
 
+// EXPECTATIONS FIR JVM_IR
+// test.kt:8 box:
+// test.kt:5 blockFun: blockArg:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:9 box$lambda$0: $this$blockFun:java.lang.String="OK":java.lang.String
+// test.kt:10 box$lambda$0: $this$blockFun:java.lang.String="OK":java.lang.String
+// test.kt:5 blockFun: blockArg:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:11 box:
+
 // EXPECTATIONS JS_IR
 // test.kt:8 box:
 // test.kt:5 blockFun: blockArg=Function1

compiler/testData/debug/localVariables/receiverMangling/simpleCapturedReceiverWithLabel.kt

@@ -10,7 +10,7 @@ fun box() {
     }
 }
 
-// EXPECTATIONS JVM_IR
+// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:8 box:
 // test.kt:5 blockFun: blockArg:kotlin.jvm.functions.Function1=TestKt$box$1
 // test.kt:9 invoke: $this$label:java.lang.String="OK":java.lang.String
@@ -18,6 +18,14 @@ fun box() {
 // test.kt:5 blockFun: blockArg:kotlin.jvm.functions.Function1=TestKt$box$1
 // test.kt:11 box:
 
+// EXPECTATIONS FIR JVM_IR
+// test.kt:8 box:
+// test.kt:5 blockFun: blockArg:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:9 box$lambda$0: $this$label:java.lang.String="OK":java.lang.String
+// test.kt:10 box$lambda$0: $this$label:java.lang.String="OK":java.lang.String
+// test.kt:5 blockFun: blockArg:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:11 box:
+
 // EXPECTATIONS JS_IR
 // test.kt:8 box:
 // test.kt:5 blockFun: blockArg=Function1

compiler/testData/debug/localVariables/receiverMangling/simpleCapturedReceiverWithParenthesis.kt

@@ -10,7 +10,7 @@ fun box() {
               })
 }
 
-// EXPECTATIONS JVM_IR
+// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:8 box:
 // test.kt:5 blockFun: blockArg:kotlin.jvm.functions.Function1=TestKt$box$1
 // test.kt:9 invoke: $this$blockFun:java.lang.String="OK":java.lang.String
@@ -18,6 +18,14 @@ fun box() {
 // test.kt:5 blockFun: blockArg:kotlin.jvm.functions.Function1=TestKt$box$1
 // test.kt:11 box:
 
+// EXPECTATIONS FIR JVM_IR
+// test.kt:8 box:
+// test.kt:5 blockFun: blockArg:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:9 box$lambda$0: $this$blockFun:java.lang.String="OK":java.lang.String
+// test.kt:10 box$lambda$0: $this$blockFun:java.lang.String="OK":java.lang.String
+// test.kt:5 blockFun: blockArg:kotlin.jvm.functions.Function1=TestKt$<lambda>
+// test.kt:11 box:
+
 // EXPECTATIONS JS_IR
 // test.kt:8 box:
 // test.kt:5 blockFun: blockArg=Function1

compiler/testData/debug/localVariables/underscoreNames.kt

@@ -23,7 +23,7 @@ fun box() {
     }
 }
 
-// EXPECTATIONS JVM_IR
+// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:12 box:
 // test.kt:4 <init>: x:double=1.0:double, y:java.lang.String="":java.lang.String, z:char=0:char
 // test.kt:12 box:
@@ -43,6 +43,24 @@ fun box() {
 // test.kt:12 box:
 // test.kt:24 box:
 
+// EXPECTATIONS FIR JVM_IR
+// test.kt:12 box:
+// test.kt:4 <init>: x:double=1.0:double, y:java.lang.String="":java.lang.String, z:char=0:char
+// test.kt:12 box:
+// test.kt:6 foo: a:A=A, block:kotlin.jvm.functions.Function3=TestKt$<lambda>
+// test.kt:13 box$lambda$0: w:int=1:int
+// test.kt:15 box$lambda$0: w:int=1:int, x:double=1.0:double, y:char=0:char
+// test.kt:4 <init>: x:double=1.0:double, y:java.lang.String="":java.lang.String, z:char=0:char
+// test.kt:15 box$lambda$0: w:int=1:int, x:double=1.0:double, y:char=0:char
+// test.kt:16 box$lambda$0: w:int=1:int, x:double=1.0:double, y:char=0:char, a:double=1.0:double, c:char=0:char
+// test.kt:4 <init>: x:double=1.0:double, y:java.lang.String="":java.lang.String, z:char=0:char
+// test.kt:16 box$lambda$0: w:int=1:int, x:double=1.0:double, y:char=0:char, a:double=1.0:double, c:char=0:char
+// test.kt:18 box$lambda$0: w:int=1:int, x:double=1.0:double, y:char=0:char, a:double=1.0:double, c:char=0:char, _:java.lang.String="":java.lang.String, d:char=0:char
+// test.kt:22 box$lambda$0: w:int=1:int, x:double=1.0:double, y:char=0:char, a:double=1.0:double, c:char=0:char, _:java.lang.String="":java.lang.String, d:char=0:char
+// test.kt:6 foo: a:A=A, block:kotlin.jvm.functions.Function3=TestKt$<lambda>
+// test.kt:12 box:
+// test.kt:24 box:
+
 // EXPECTATIONS JS_IR
 // test.kt:8 <init properties test.kt>:
 // test.kt:8 <init properties test.kt>:

compiler/testData/debug/stepping/anonymousFunction.kt

@@ -12,7 +12,11 @@ fun box() {
 // EXPECTATIONS JVM_IR
 // test.kt:7 box
 // test.kt:4 eval
+// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:8 invoke
+// EXPECTATIONS FIR JVM_IR
+// test.kt:8 box$lambda$0
+// EXPECTATIONS JVM_IR
 // test.kt:4 eval
 // test.kt:7 box
 // test.kt:10 box

compiler/testData/debug/stepping/callableReference.kt

@@ -15,8 +15,13 @@ fun f(block: () -> Unit) {
 // test.kt:4 box
 // test.kt:5 box
 // test.kt:11 f
+// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:6 invoke
 // test.kt:7 invoke
+// EXPECTATIONS FIR JVM_IR
+// test.kt:6 box$lambda$0
+// test.kt:7 box$lambda$0
+// EXPECTATIONS JVM_IR
 // test.kt:11 f
 // test.kt:12 f
 // test.kt:8 box

compiler/testData/debug/stepping/functionCallWithLambdaParam.kt

@@ -15,7 +15,7 @@ fun foo(f: () -> Unit) {
     f()
 }
 
-// EXPECTATIONS JVM_IR
+// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:5 box
 // test.kt:15 foo
 // test.kt:6 invoke
@@ -30,6 +30,22 @@ fun foo(f: () -> Unit) {
 // test.kt:16 foo
 // test.kt:12 box
 
+// EXPECTATIONS FIR JVM_IR
+// test.kt:5 box
+// test.kt:15 foo
+// test.kt:6 box$lambda$0
+// test.kt:7 box$lambda$0
+// test.kt:15 foo
+// test.kt:16 foo
+// test.kt:5 box
+// test.kt:9 box
+// test.kt:15 foo
+// test.kt:10 box$lambda$1
+// test.kt:11 box$lambda$1
+// test.kt:15 foo
+// test.kt:16 foo
+// test.kt:12 box
+
 // EXPECTATIONS JS_IR
 // test.kt:5 box
 // test.kt:15 foo

compiler/testData/debug/stepping/suspendFunWithLambdaParameter.kt

@@ -14,7 +14,11 @@ suspend fun box() {
 // EXPECTATIONS JVM_IR
 // test.kt:9 box
 // test.kt:5 foo
+// EXPECTATIONS ClassicFrontend JVM_IR
 // test.kt:10 invoke
+// EXPECTATIONS FIR JVM_IR
+// test.kt:10 box$lambda$0
+// EXPECTATIONS JVM_IR
 // test.kt:5 foo
 // test.kt:9 box
 // test.kt:12 box

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/handlers/DebugRunner.kt

@@ -191,13 +191,16 @@ class SteppingDebugRunner(testServices: TestServices) : DebugRunner(testServices
     override fun storeStep(loggedItems: ArrayList<SteppingTestLoggedData>, event: Event) {
         assert(event is LocatableEvent)
         val location = (event as LocatableEvent).location()
-        loggedItems.add(
+        val data =
-            SteppingTestLoggedData(
+            if (isIndyLambda(location)) {
+                // Invokedynamic lambdas are not synthetic in JDI, and they don't have source information.
+                SteppingTestLoggedData(-1, true, "<lambda>")
+            } else SteppingTestLoggedData(
                 location.lineNumber(),
                 location.method().isSynthetic,
                 location.formatAsExpectation()
             )
-        )
+        loggedItems.add(data)
     }
 }
 
@@ -234,12 +237,18 @@ class LocalVariableDebugRunner(testServices: TestServices) : DebugRunner(testSer
             // Local variable table completely absent - not distinguished from an empty table.
             listOf()
         }
-        loggedItems.add(
+        val data =
-            SteppingTestLoggedData(
+            if (isIndyLambda(location)) {
+                // Invokedynamic lambdas are not synthetic in JDI, and they don't have source information.
+                SteppingTestLoggedData(-1, true, "<lambda>")
+            } else SteppingTestLoggedData(
                 location.lineNumber(),
                 false,
                 location.formatAsExpectation(visibleVars)
             )
-        )
+        loggedItems.add(data)
     }
 }
+
+private fun isIndyLambda(location: Location): Boolean =
+    "$\$Lambda$" in location.declaringType().name()

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/handlers/SMAPDumpHandler.kt

@@ -14,6 +14,7 @@ import org.jetbrains.kotlin.test.directives.CodegenTestDirectives.NO_SMAP_DUMP
 import org.jetbrains.kotlin.test.directives.CodegenTestDirectives.SEPARATE_SMAP_DUMPS
 import org.jetbrains.kotlin.test.directives.model.DirectivesContainer
 import org.jetbrains.kotlin.test.model.BinaryArtifacts
+import org.jetbrains.kotlin.test.model.FrontendKinds
 import org.jetbrains.kotlin.test.model.TestModule
 import org.jetbrains.kotlin.test.services.TestServices
 import org.jetbrains.kotlin.test.services.moduleStructure
@@ -77,7 +78,11 @@ class SMAPDumpHandler(testServices: TestServices) : JvmBinaryArtifactHandler(tes
         }
 
         val testDataFile = testServices.moduleStructure.originalTestDataFiles.first()
-        val expectedFile = testDataFile.withExtension(extension)
+        val firExpectedFile = testDataFile.withExtension("fir.$extension")
+        val expectedFile =
+            if (testServices.moduleStructure.modules.first().frontendKind == FrontendKinds.FIR && firExpectedFile.exists())
+                firExpectedFile
+            else testDataFile.withExtension(extension)
         assertions.assertEqualsToFile(expectedFile, dumper.generateResultingDump())
 
         if (separateDumpEnabled && isSeparateCompilation) {

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/utils/SteppingTestUtils.kt

@@ -46,10 +46,14 @@ class LocalVariableRecord(
             append(variableType)
         }
         append("=")
-        append(value)
+        append(value.toString().normalizeIndyLambdas())
     }
 }
 
+private fun String.normalizeIndyLambdas(): String =
+    // Invokedynamic lambdas have an unstable hash in the name.
+    replace("\\\$Lambda\\\$.*".toRegex(), "<lambda>")
+
 private const val EXPECTATIONS_MARKER = "// EXPECTATIONS"
 private const val FORCE_STEP_INTO_MARKER = "// FORCE_STEP_INTO"
 

compiler/util/src/org/jetbrains/kotlin/config/LanguageVersionSettings.kt

@@ -309,6 +309,7 @@ enum class LanguageFeature(
     ProhibitDefaultArgumentsInExpectActualizedByFakeOverride(KOTLIN_2_0, kind = BUG_FIX), // KT-62036
     DisableCompatibilityModeForNewInference(KOTLIN_2_0, kind = OTHER), // KT-63558 (umbrella), KT-64306, KT-64307, KT-64308
     DfaBooleanVariables(KOTLIN_2_0), // KT-25747
+    LightweightLambdas(KOTLIN_2_0, kind = OTHER), // KT-45375
 
     // 2.1
 
@@ -355,7 +356,6 @@ enum class LanguageFeature(
     // Experimental features
 
     BreakContinueInInlineLambdas(null), // KT-1436
-    LightweightLambdas(null),
     JsEnableExtensionFunctionInExternals(null, kind = OTHER),
     PackagePrivateFileClassesWithAllPrivateMembers(null), // Disabled until the breaking change is approved by the committee, see KT-10884.
     BooleanElvisBoundSmartCasts(null), // see KT-26357 for details

jps/jps-plugin/testData/incremental/classHierarchyAffected/lambdaParameterAffected/fir-build.log

@@ -0,0 +1,49 @@
+================ Step #1 =================
+
+Cleaning output files:
+  out/production/module/B.class
+  out/production/module/META-INF/module.kotlin_module
+End of files
+Compiling files:
+  src/B.kt
+End of files
+After build round. Marked as dirty by Kotlin:
+  src/consumeBExtLambda.kt
+  src/consumeBLambda.kt
+  src/useConsumeBExtLambda.kt
+  src/useConsumeBLambda.kt
+Exit code: ADDITIONAL_PASS_REQUIRED
+------------------------------------------
+Cleaning output files:
+  out/production/module/ConsumeBExtLambdaKt.class
+  out/production/module/ConsumeBLambdaKt.class
+  out/production/module/META-INF/module.kotlin_module
+  out/production/module/UseConsumeBExtLambdaKt.class
+  out/production/module/UseConsumeBLambdaKt.class
+End of files
+Compiling files:
+  src/consumeBExtLambda.kt
+  src/consumeBLambda.kt
+  src/useConsumeBExtLambda.kt
+  src/useConsumeBLambda.kt
+End of files
+Exit code: ABORT
+------------------------------------------
+COMPILATION FAILED
+Type mismatch: inferred type is B but A was expected
+Type mismatch: inferred type is B but A was expected
+
+================ Step #2 =================
+
+Cleaning output files:
+  out/production/module/B.class
+End of files
+Compiling files:
+  src/B.kt
+  src/consumeBExtLambda.kt
+  src/consumeBLambda.kt
+  src/useConsumeBExtLambda.kt
+  src/useConsumeBLambda.kt
+End of files
+Exit code: OK
+------------------------------------------

jps/jps-plugin/testData/incremental/inlineFunCallSite/lambda/fir-build.log

@@ -0,0 +1,22 @@
+================ Step #1 =================
+
+Cleaning output files:
+  out/production/module/META-INF/module.kotlin_module
+  out/production/module/inline/InlineKt.class
+End of files
+Compiling files:
+  src/inline.kt
+End of files
+After build round. Marked as dirty by Kotlin:
+  src/usage.kt
+Exit code: ADDITIONAL_PASS_REQUIRED
+------------------------------------------
+Cleaning output files:
+  out/production/module/META-INF/module.kotlin_module
+  out/production/module/usage/UsageKt.class
+End of files
+Compiling files:
+  src/usage.kt
+End of files
+Exit code: OK
+------------------------------------------

jps/jps-plugin/testData/incremental/pureKotlin/functionBecameInline/fir-build.log

@@ -0,0 +1,22 @@
+================ Step #1 =================
+
+Cleaning output files:
+  out/production/module/META-INF/module.kotlin_module
+  out/production/module/Y.class
+End of files
+Compiling files:
+  src/fun.kt
+End of files
+After build round. Marked as dirty by Kotlin:
+  src/usage.kt
+Exit code: ADDITIONAL_PASS_REQUIRED
+------------------------------------------
+Cleaning output files:
+  out/production/module/META-INF/module.kotlin_module
+  out/production/module/X.class
+End of files
+Compiling files:
+  src/usage.kt
+End of files
+Exit code: OK
+------------------------------------------

jps/jps-plugin/testData/incremental/pureKotlin/subpackage/fir-build.log

@@ -0,0 +1,11 @@
+================ Step #1 =================
+
+Cleaning output files:
+  out/production/module/META-INF/module.kotlin_module
+  out/production/module/outer/nested/NestedKt.class
+End of files
+Compiling files:
+  src/nested.kt
+End of files
+Exit code: OK
+------------------------------------------

jps/jps-plugin/testData/incremental/withJava/javaUsedInKotlin/samConversions/methodAddDefault/fir-build.log

@@ -0,0 +1,24 @@
+================ Step #1 =================
+
+Cleaning output files:
+  out/production/module/SamInterface.class
+End of files
+Exit code: NOTHING_DONE
+------------------------------------------
+Compiling files:
+  src/SamInterface.java
+End of files
+Cleaning output files:
+  out/production/module/META-INF/module.kotlin_module
+  out/production/module/UsageWithFunctionExpressionKt.class
+  out/production/module/UsageWithFunctionLiteralKt.class
+End of files
+Compiling files:
+  src/usageWithFunctionExpression.kt
+  src/usageWithFunctionLiteral.kt
+End of files
+Exit code: ABORT
+------------------------------------------
+COMPILATION FAILED
+Interface SamInterface does not have constructors
+Interface SamInterface does not have constructors

jps/jps-plugin/testData/incremental/withJava/javaUsedInKotlin/samConversions/methodAdded/fir-build.log

@@ -0,0 +1,24 @@
+================ Step #1 =================
+
+Cleaning output files:
+  out/production/module/SamInterface.class
+End of files
+Exit code: NOTHING_DONE
+------------------------------------------
+Compiling files:
+  src/SamInterface.java
+End of files
+Cleaning output files:
+  out/production/module/META-INF/module.kotlin_module
+  out/production/module/UsageWithFunctionExpressionKt.class
+  out/production/module/UsageWithFunctionLiteralKt.class
+End of files
+Compiling files:
+  src/usageWithFunctionExpression.kt
+  src/usageWithFunctionLiteral.kt
+End of files
+Exit code: ABORT
+------------------------------------------
+COMPILATION FAILED
+Interface SamInterface does not have constructors
+Interface SamInterface does not have constructors

jps/jps-plugin/testData/incremental/withJava/javaUsedInKotlin/samConversions/methodSignatureChanged/fir-build.log

@@ -0,0 +1,21 @@
+================ Step #1 =================
+
+Cleaning output files:
+  out/production/module/SamInterface.class
+End of files
+Exit code: NOTHING_DONE
+------------------------------------------
+Compiling files:
+  src/SamInterface.java
+End of files
+Cleaning output files:
+  out/production/module/META-INF/module.kotlin_module
+  out/production/module/UsageWithFunctionExpressionKt.class
+  out/production/module/UsageWithFunctionLiteralKt.class
+End of files
+Compiling files:
+  src/usageWithFunctionExpression.kt
+  src/usageWithFunctionLiteral.kt
+End of files
+Exit code: OK
+------------------------------------------

libraries/kotlinx-metadata/jvm/test/kotlinx/metadata/test/MetadataSmokeTest.kt

@@ -212,7 +212,7 @@ class MetadataSmokeTest {
     fun testDisplayNameSample() {
         class A {}
 
-        val b: (Int) -> Int = fun(x: Int) = x
+        val b: (Int) -> Int = @JvmSerializableLambda fun(x: Int) = x
 
         assertEquals("Class .kotlinx/metadata/test/MetadataSmokeTest\$testDisplayNameSample\$A", displayName(A::class.java.getMetadata()))
         assertEquals("Lambda <no name provided>", displayName(b::class.java.getMetadata()))

libraries/kotlinx-metadata/jvm/test/kotlinx/metadata/test/WritersContractTest.kt

@@ -15,7 +15,7 @@ import kotlin.test.assertFailsWith
 
 class WritersContractTest {
     val classMd = WritersContractTest::class.java.getMetadata()
-    val l: () -> Unit = {}
+    val l: () -> Unit = @JvmSerializableLambda {}
     val lambdaMd = l::class.java.getMetadata()
     val fileFacadeMd = Class.forName("kotlinx.metadata.test.testdata.FileFacade").getMetadata()
     val multiFileFacadeMd = Class.forName("kotlinx.metadata.test.testdata.MultiFileClassFacade").getMetadata()

libraries/tools/kotlinp/testData/IntersectionTypeInLambdaLiteralAndDelegatedProperty.txt

@@ -53,25 +53,10 @@ package {
 }
 // IntersectionTypeInLambdaLiteralAndDelegatedPropertyKt$test$1.class
 // ------------------------------------------
-lambda {
+synthetic class
-
-  // signature: invoke(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
-  local final fun kotlin/Nothing.<anonymous>(it: kotlin/Nothing): kotlin/Any
-}
 // IntersectionTypeInLambdaLiteralAndDelegatedPropertyKt$test$2.class
 // ------------------------------------------
-lambda {
+synthetic class
-
-  // signature: invoke(LInv;LInv;)LInv;
-  local final fun kotlin/Nothing.<anonymous>(it: kotlin/Nothing): Inv<out kotlin/Any>
-}
-// IntersectionTypeInLambdaLiteralAndDelegatedPropertyKt$test$d$2.class
-// ------------------------------------------
-lambda {
-
-  // signature: invoke()Ljava/lang/Object;
-  local final fun <anonymous>(): kotlin/Any
-}
 // Inv.class
 // ------------------------------------------
 public final class Inv<T#0 /* T */> : kotlin/Any {

libraries/tools/kotlinp/testData/Lambda.txt

@@ -7,20 +7,6 @@ package {
 
   // module name: test-module
 }
-// LambdaKt$test$f$1.class
-// ------------------------------------------
-lambda {
-
-  // signature: invoke()V
-  local final fun <anonymous>(): kotlin/Unit
-}
-// LambdaKt$test$g$1.class
-// ------------------------------------------
-lambda {
-
-  // signature: invoke(Lkotlin/Unit;[ILjava/util/Set;)Ljava/lang/String;
-  local final fun kotlin/Unit.<no name provided>(s: kotlin/IntArray?, t: kotlin/collections/Set<kotlin/Double>): kotlin/String
-}
 // META-INF/test-module.kotlin_module
 // ------------------------------------------
 module {

plugins/kotlinx-serialization/testData/codegen/Intrinsics.asm.fir.txt

@@ -188,18 +188,6 @@ public final class IntrinsicsKt : java/lang/Object {
     }
 }
 
-final class SerializableObject$1 : kotlin/jvm/internal/Lambda, kotlin/jvm/functions/Function0 {
-    public final static SerializableObject$1 INSTANCE
-
-    static void <clinit>()
-
-    void <init>()
-
-    public final kotlinx.serialization.KSerializer invoke()
-
-    public java.lang.Object invoke()
-}
-
 public final class SerializableObject : java/lang/Object {
     private final static kotlin.Lazy $cachedSerializer$delegate
 
@@ -209,6 +197,8 @@ public final class SerializableObject : java/lang/Object {
 
     private void <init>()
 
+    private final static kotlinx.serialization.KSerializer _init_$_anonymous_()
+
     private final kotlinx.serialization.KSerializer get$cachedSerializer()
 
     public final kotlinx.serialization.KSerializer serializer()

plugins/kotlinx-serialization/testData/codegen/Sealed.asm.fir.txt

@@ -276,82 +276,6 @@ public final class Container : java/lang/Object {
     }
 }
 
-final class Result$Companion$1 : kotlin/jvm/internal/Lambda, kotlin/jvm/functions/Function0 {
-    public final static Result$Companion$1 INSTANCE
-
-    static void <clinit>() {
-          NEW (Result$Companion$1)
-          DUP
-          INVOKESPECIAL (Result$Companion$1, <init>, ()V)
-          PUTSTATIC (Result$Companion$1, INSTANCE, LResult$Companion$1;)
-          RETURN
-    }
-
-    void <init>() {
-        LABEL (L0)
-          ALOAD (0)
-          ICONST_0
-          INVOKESPECIAL (kotlin/jvm/internal/Lambda, <init>, (I)V)
-          RETURN
-        LABEL (L1)
-    }
-
-    public final kotlinx.serialization.KSerializer invoke() {
-        LABEL (L0)
-          NEW (kotlinx/serialization/SealedClassSerializer)
-          DUP
-          LDC (Result)
-          LDC (LResult;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
-          ICONST_2
-          ANEWARRAY (kotlin/reflect/KClass)
-          ASTORE (1)
-          ALOAD (1)
-          ICONST_0
-          LDC (LResult$Err;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
-          AASTORE
-          ALOAD (1)
-          ICONST_1
-          LDC (LResult$OK;)
-          INVOKESTATIC (kotlin/jvm/internal/Reflection, getOrCreateKotlinClass, (Ljava/lang/Class;)Lkotlin/reflect/KClass;)
-          AASTORE
-          ALOAD (1)
-          ICONST_2
-          ANEWARRAY (kotlinx/serialization/KSerializer)
-          ASTORE (1)
-          ALOAD (1)
-          ICONST_0
-          NEW (kotlinx/serialization/internal/ObjectSerializer)
-          DUP
-          LDC (Result.Err)
-          GETSTATIC (Result$Err, INSTANCE, LResult$Err;)
-          ICONST_0
-          ANEWARRAY (java/lang/annotation/Annotation)
-          INVOKESPECIAL (kotlinx/serialization/internal/ObjectSerializer, <init>, (Ljava/lang/String;Ljava/lang/Object;[Ljava/lang/annotation/Annotation;)V)
-          AASTORE
-          ALOAD (1)
-          ICONST_1
-          GETSTATIC (Result$OK$$serializer, INSTANCE, LResult$OK$$serializer;)
-          AASTORE
-          ALOAD (1)
-          ICONST_0
-          ANEWARRAY (java/lang/annotation/Annotation)
-          INVOKESPECIAL (kotlinx/serialization/SealedClassSerializer, <init>, (Ljava/lang/String;Lkotlin/reflect/KClass;[Lkotlin/reflect/KClass;[Lkotlinx/serialization/KSerializer;[Ljava/lang/annotation/Annotation;)V)
-          CHECKCAST (kotlinx/serialization/KSerializer)
-          ARETURN
-        LABEL (L1)
-    }
-
-    public java.lang.Object invoke() {
-        LABEL (L0)
-          ALOAD (0)
-          INVOKEVIRTUAL (Result$Companion$1, invoke, ()Lkotlinx/serialization/KSerializer;)
-          ARETURN
-        LABEL (L1)
-    }
-}
-
 public final class Result$Companion : java/lang/Object {
     private void <init>() {
         LABEL (L0)
@@ -380,51 +304,6 @@ public final class Result$Companion : java/lang/Object {
     }
 }
 
-final class Result$Err$1 : kotlin/jvm/internal/Lambda, kotlin/jvm/functions/Function0 {
-    public final static Result$Err$1 INSTANCE
-
-    static void <clinit>() {
-          NEW (Result$Err$1)
-          DUP
-          INVOKESPECIAL (Result$Err$1, <init>, ()V)
-          PUTSTATIC (Result$Err$1, INSTANCE, LResult$Err$1;)
-          RETURN
-    }
-
-    void <init>() {
-        LABEL (L0)
-          ALOAD (0)
-          ICONST_0
-          INVOKESPECIAL (kotlin/jvm/internal/Lambda, <init>, (I)V)
-          RETURN
-        LABEL (L1)
-    }
-
-    public final kotlinx.serialization.KSerializer invoke() {
-        LABEL (L0)
-        LINENUMBER (15)
-          NEW (kotlinx/serialization/internal/ObjectSerializer)
-          DUP
-          LDC (Result.Err)
-          GETSTATIC (Result$Err, INSTANCE, LResult$Err;)
-          ICONST_0
-          ANEWARRAY (java/lang/annotation/Annotation)
-          INVOKESPECIAL (kotlinx/serialization/internal/ObjectSerializer, <init>, (Ljava/lang/String;Ljava/lang/Object;[Ljava/lang/annotation/Annotation;)V)
-          CHECKCAST (kotlinx/serialization/KSerializer)
-          ARETURN
-        LABEL (L1)
-    }
-
-    public java.lang.Object invoke() {
-        LABEL (L0)
-        LINENUMBER (15)
-          ALOAD (0)
-          INVOKEVIRTUAL (Result$Err$1, invoke, ()Lkotlinx/serialization/KSerializer;)
-          ARETURN
-        LABEL (L1)
-    }
-}
-
 public final class Result$Err : Result {
     private final static kotlin.Lazy $cachedSerializer$delegate
 
@@ -438,8 +317,7 @@ public final class Result$Err : Result {
         LABEL (L0)
         LINENUMBER (15)
           GETSTATIC (kotlin/LazyThreadSafetyMode, PUBLICATION, Lkotlin/LazyThreadSafetyMode;)
-          GETSTATIC (Result$Err$1, INSTANCE, LResult$Err$1;)
+          INVOKEDYNAMIC (invoke, ()Lkotlin/jvm/functions/Function0;, java/lang/invoke/LambdaMetafactory.metafactory(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite; (6), ()Ljava/lang/Object;, Result$Err._init_$_anonymous_()Lkotlinx/serialization/KSerializer; (6), ()Lkotlinx/serialization/KSerializer;)
-          CHECKCAST (kotlin/jvm/functions/Function0)
           INVOKESTATIC (kotlin/LazyKt, lazy, (Lkotlin/LazyThreadSafetyMode;Lkotlin/jvm/functions/Function0;)Lkotlin/Lazy;)
           PUTSTATIC (Result$Err, $cachedSerializer$delegate, Lkotlin/Lazy;)
           RETURN
@@ -455,6 +333,8 @@ public final class Result$Err : Result {
         LABEL (L1)
     }
 
+    private final static kotlinx.serialization.KSerializer _init_$_anonymous_()
+
     private final kotlinx.serialization.KSerializer get$cachedSerializer()
 
     public final kotlinx.serialization.KSerializer serializer() {
@@ -727,8 +607,7 @@ public abstract class Result : java/lang/Object, X {
           INVOKESPECIAL (Result$Companion, <init>, (Lkotlin/jvm/internal/DefaultConstructorMarker;)V)
           PUTSTATIC (Result, Companion, LResult$Companion;)
           GETSTATIC (kotlin/LazyThreadSafetyMode, PUBLICATION, Lkotlin/LazyThreadSafetyMode;)
-          GETSTATIC (Result$Companion$1, INSTANCE, LResult$Companion$1;)
+          INVOKEDYNAMIC (invoke, ()Lkotlin/jvm/functions/Function0;, java/lang/invoke/LambdaMetafactory.metafactory(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite; (6), ()Ljava/lang/Object;, Result._init_$_anonymous_()Lkotlinx/serialization/KSerializer; (6), ()Lkotlinx/serialization/KSerializer;)
-          CHECKCAST (kotlin/jvm/functions/Function0)
           INVOKESTATIC (kotlin/LazyKt, lazy, (Lkotlin/LazyThreadSafetyMode;Lkotlin/jvm/functions/Function0;)Lkotlin/Lazy;)
           PUTSTATIC (Result, $cachedSerializer$delegate, Lkotlin/Lazy;)
           RETURN
@@ -760,6 +639,8 @@ public abstract class Result : java/lang/Object, X {
         LABEL (L1)
     }
 
+    private final static kotlinx.serialization.KSerializer _init_$_anonymous_()
+
     public final static kotlin.Lazy access$get$cachedSerializer$delegate$cp()
 
     public void def()