Remove @ExperimentalSubclassOptIn from SubclassOptInRequired

Tests are updated.

^KT-71222 Fixed

analysis/low-level-api-fir/testData/lazyResolveBuiltinsBinary/Int.txt

@@ -3842,7 +3842,7 @@ FILE: [ResolvedTo(BODY_RESOLVE)] kotlin.kotlin_builtins
         }
 
     }
-    @R|kotlin/annotation/Target|[Types]() @R|kotlin/annotation/Retention|[Types]() @R|kotlin/SinceKotlin|[Types]() @R|kotlin/ExperimentalSubclassOptIn|[Types]() public final [ResolvedTo(BODY_RESOLVE)] annotation class SubclassOptInRequired : R|kotlin/Annotation|, R|kotlin/Annotation| {
+    @R|kotlin/annotation/Target|[Types]() @R|kotlin/annotation/Retention|[Types]() @R|kotlin/SinceKotlin|[Types]() @R|kotlin/WasExperimental|[Types]() public final [ResolvedTo(BODY_RESOLVE)] annotation class SubclassOptInRequired : R|kotlin/Annotation|, R|kotlin/Annotation| {
         public [ResolvedTo(BODY_RESOLVE)] [ContainingClassKey=SubclassOptInRequired] constructor([ResolvedTo(BODY_RESOLVE)] markerClass: R|kotlin/reflect/KClass<out kotlin/Annotation>|): R|kotlin/SubclassOptInRequired| {
             super<R|kotlin/Any|>()
         }

compiler/fir/analysis-tests/testData/builtIns/kotlin.txt

@@ -1369,7 +1369,7 @@ public final class String : R|kotlin/Comparable<kotlin/String>|, R|kotlin/CharSe
 
 }
 
-@R|kotlin/annotation/Target|(allowedTargets = <implicitArrayOf>(kotlin/annotation/AnnotationTarget.CLASS)) @R|kotlin/annotation/Retention|(value = kotlin/annotation/AnnotationRetention.BINARY) @R|kotlin/SinceKotlin|(version = String(1.8)) @R|kotlin/ExperimentalSubclassOptIn|() public final annotation class SubclassOptInRequired : R|kotlin/Annotation| {
+@R|kotlin/annotation/Target|(allowedTargets = <implicitArrayOf>(kotlin/annotation/AnnotationTarget.CLASS)) @R|kotlin/annotation/Retention|(value = kotlin/annotation/AnnotationRetention.BINARY) @R|kotlin/SinceKotlin|(version = String(2.1)) @R|kotlin/WasExperimental|(markerClass = <implicitArrayOf>(<getClass>(<getClass>(R|kotlin/ExperimentalSubclassOptIn|)))) public final annotation class SubclassOptInRequired : R|kotlin/Annotation| {
     public final val markerClass: R|kotlin/reflect/KClass<out kotlin/Annotation>|
         public get(): R|kotlin/reflect/KClass<out kotlin/Annotation>|
 

compiler/fir/analysis-tests/testData/resolveWithStdlib/ClassIdDiagnosticRendering.fir.txt

@@ -1,5 +1,4 @@
 FILE: ClassIdDiagnosticRendering.kt
-    @FILE:R|kotlin/OptIn|(markerClass = vararg(<getClass>(Q|kotlin/ExperimentalSubclassOptIn|)))
     package a.b.c
 
     @R|kotlin/RequiresOptIn|() public final annotation class Marker : R|kotlin/Annotation| {

compiler/fir/analysis-tests/testData/resolveWithStdlib/ClassIdDiagnosticRendering.kt

@@ -1,5 +1,4 @@
 // WITH_EXTRA_CHECKERS
-@file:OptIn(ExperimentalSubclassOptIn::class)
 
 package a.b.c
 

compiler/testData/builtin-classes/default/kotlin.txt

@@ -781,7 +781,7 @@ public final class String : kotlin.Comparable<kotlin.String>, kotlin.CharSequenc
     }
 }
 
-@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.CLASS}) @kotlin.annotation.Retention(value = AnnotationRetention.BINARY) @kotlin.SinceKotlin(version = "1.8") @kotlin.ExperimentalSubclassOptIn public final annotation class SubclassOptInRequired : kotlin.Annotation {
+@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.CLASS}) @kotlin.annotation.Retention(value = AnnotationRetention.BINARY) @kotlin.SinceKotlin(version = "2.1") @kotlin.WasExperimental(markerClass = {kotlin.ExperimentalSubclassOptIn::class}) public final annotation class SubclassOptInRequired : kotlin.Annotation {
     /*primary*/ public constructor SubclassOptInRequired(/*0*/ markerClass: kotlin.reflect.KClass<out kotlin.Annotation>)
     public final val markerClass: kotlin.reflect.KClass<out kotlin.Annotation>
         public final fun `<get-markerClass>`(): kotlin.reflect.KClass<out kotlin.Annotation>

compiler/testData/builtin-classes/java8/kotlin.txt

@@ -808,7 +808,7 @@ public final class String : kotlin.Comparable<kotlin.String>, kotlin.CharSequenc
     }
 }
 
-@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.CLASS}) @kotlin.annotation.Retention(value = AnnotationRetention.BINARY) @kotlin.SinceKotlin(version = "1.8") @kotlin.ExperimentalSubclassOptIn public final annotation class SubclassOptInRequired : kotlin.Annotation {
+@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.CLASS}) @kotlin.annotation.Retention(value = AnnotationRetention.BINARY) @kotlin.SinceKotlin(version = "2.1") @kotlin.WasExperimental(markerClass = {kotlin.ExperimentalSubclassOptIn::class}) public final annotation class SubclassOptInRequired : kotlin.Annotation {
     /*primary*/ public constructor SubclassOptInRequired(/*0*/ markerClass: kotlin.reflect.KClass<out kotlin.Annotation>)
     public final val markerClass: kotlin.reflect.KClass<out kotlin.Annotation>
         public final fun `<get-markerClass>`(): kotlin.reflect.KClass<out kotlin.Annotation>

compiler/testData/builtin-classes/newMethods/kotlin.txt

@@ -807,7 +807,7 @@ public final class String : kotlin.Comparable<kotlin.String>, kotlin.CharSequenc
     }
 }
 
-@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.CLASS}) @kotlin.annotation.Retention(value = AnnotationRetention.BINARY) @kotlin.SinceKotlin(version = "1.8") @kotlin.ExperimentalSubclassOptIn public final annotation class SubclassOptInRequired : kotlin.Annotation {
+@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.CLASS}) @kotlin.annotation.Retention(value = AnnotationRetention.BINARY) @kotlin.SinceKotlin(version = "2.1") @kotlin.WasExperimental(markerClass = {kotlin.ExperimentalSubclassOptIn::class}) public final annotation class SubclassOptInRequired : kotlin.Annotation {
     /*primary*/ public constructor SubclassOptInRequired(/*0*/ markerClass: kotlin.reflect.KClass<out kotlin.Annotation>)
     public final val markerClass: kotlin.reflect.KClass<out kotlin.Annotation>
         public final fun `<get-markerClass>`(): kotlin.reflect.KClass<out kotlin.Annotation>

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/CorrectApplicability.kt

@@ -1,5 +1,4 @@
 // FIR_IDENTICAL
-@file:OptIn(ExperimentalSubclassOptIn::class)
 
 @RequiresOptIn
 annotation class ApiMarker

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/DiagnosticDefaultMessage.fir.kt

@@ -1,4 +1,3 @@
-@file:OptIn(ExperimentalSubclassOptIn::class)
 @RequiresOptIn
 annotation class ApiMarker
 

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/DiagnosticDefaultMessage.kt

@@ -1,4 +1,3 @@
-@file:OptIn(ExperimentalSubclassOptIn::class)
 @RequiresOptIn
 annotation class ApiMarker
 

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/Experimentality.fir.kt

@@ -0,0 +1,13 @@
+// ALLOW_DANGEROUS_LANGUAGE_VERSION_TESTING
+// LANGUAGE_VERSION: 2.0
+// API_VERSION: 2.0
+
+@RequiresOptIn
+annotation class ApiMarker
+
+@<!OPT_IN_USAGE_ERROR!>SubclassOptInRequired<!>(ApiMarker::class)
+open class OpenKlassA
+
+@OptIn(ExperimentalSubclassOptIn::class)
+@SubclassOptInRequired(ApiMarker::class)
+open class OpenKlassB

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/Experimentality.kt

@@ -1,7 +1,13 @@
-// FIR_IDENTICAL
+// ALLOW_DANGEROUS_LANGUAGE_VERSION_TESTING
+// LANGUAGE_VERSION: 2.0
+// API_VERSION: 2.0
 
 @RequiresOptIn
 annotation class ApiMarker
 
-@<!OPT_IN_USAGE_ERROR!>SubclassOptInRequired<!>(ApiMarker::class)
-open class OpenKlass
+@<!DEBUG_INFO_UNRESOLVED_WITH_TARGET, OPT_IN_USAGE_ERROR, UNRESOLVED_REFERENCE!>SubclassOptInRequired<!>(ApiMarker::class)
+open class OpenKlassA
+
+@OptIn(ExperimentalSubclassOptIn::class)
+@SubclassOptInRequired(ApiMarker::class)
+open class OpenKlassB

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/IncorrectApplicability.kt

@@ -1,5 +1,4 @@
 // FIR_IDENTICAL
-@file:OptIn(ExperimentalSubclassOptIn::class)
 
 @RequiresOptIn
 annotation class ApiMarker

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/InheritingByLocalClassifiers.kt

@@ -1,5 +1,4 @@
 // FIR_IDENTICAL
-@file:OptIn(ExperimentalSubclassOptIn::class)
 
 @RequiresOptIn
 annotation class ApiMarker

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/InheritingDifferentOptInLevels.kt

@@ -1,5 +1,4 @@
 // FIR_IDENTICAL
-@file:OptIn(ExperimentalSubclassOptIn::class)
 
 @RequiresOptIn
 annotation class ApiMarker

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/InnerAndNestedClasses.kt

@@ -1,5 +1,4 @@
 // FIR_IDENTICAL
-@file:OptIn(ExperimentalSubclassOptIn::class)
 
 @RequiresOptIn
 annotation class Api

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/InnerClasses.kt

@@ -1,5 +1,4 @@
 // FIR_IDENTICAL
-@file:OptIn(ExperimentalSubclassOptIn::class)
 
 @RequiresOptIn
 annotation class Boom

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/Module.kt

@@ -1,6 +1,5 @@
 // FIR_IDENTICAL
 // MODULE: a
-@file:OptIn(ExperimentalSubclassOptIn::class)
 package a
 
 @RequiresOptIn

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/NestedClasses.kt

@@ -1,5 +1,4 @@
 // FIR_IDENTICAL
-@file:OptIn(ExperimentalSubclassOptIn::class)
 
 @RequiresOptIn
 annotation class Boom

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/NotApiMarkerAsArgument.fir.kt

@@ -1,5 +1,3 @@
-@file:OptIn(ExperimentalSubclassOptIn::class)
-
 annotation class DummyAnnotation
 
 <!SUBCLASS_OPT_ARGUMENT_IS_NOT_MARKER!>@SubclassOptInRequired(DummyAnnotation::class)<!>

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/NotApiMarkerAsArgument.kt

@@ -1,5 +1,3 @@
-@file:OptIn(ExperimentalSubclassOptIn::class)
-
 annotation class DummyAnnotation
 
 <!OPT_IN_ARGUMENT_IS_NOT_MARKER!>@SubclassOptInRequired(DummyAnnotation::class)<!>

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/UsageOptInIsNotImplied.kt

@@ -1,6 +1,4 @@
 // FIR_IDENTICAL
-@file:OptIn(ExperimentalSubclassOptIn::class)
-
 @RequiresOptIn
 annotation class ApiMarker
 

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/WithAbstractClasses.kt

@@ -1,6 +1,4 @@
 // FIR_IDENTICAL
-@file:OptIn(ExperimentalSubclassOptIn::class)
-
 @RequiresOptIn
 annotation class ApiMarker
 

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/WithInheritanceByDelegation.kt

@@ -1,5 +1,4 @@
 // FIR_IDENTICAL
-@file:OptIn(ExperimentalSubclassOptIn::class)
 
 @RequiresOptIn
 annotation class ApiMarker

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/WithInterfaces.kt

@@ -1,6 +1,4 @@
 // FIR_IDENTICAL
-@file:OptIn(ExperimentalSubclassOptIn::class)
-
 @RequiresOptIn
 annotation class ApiMarker
 

compiler/testData/diagnostics/testsWithStdLib/annotations/subclassOptInRequired/WithOpenClasses.kt

@@ -1,6 +1,4 @@
 // FIR_IDENTICAL
-@file:OptIn(ExperimentalSubclassOptIn::class)
-
 @RequiresOptIn
 annotation class ApiMarker