Deprecate EXPERIMENTAL_IS_NOT_ENABLED diagnostic #KT-47638 Fixed

compiler/testData/diagnostics/testsWithStdLib/experimental/experimentalAfterRelease.kt

@@ -0,0 +1,6 @@
+// FIR_IDENTICAL
+// !LANGUAGE: +OptInRelease
+
+@RequiresOptIn
+@Retention(AnnotationRetention.BINARY)
+annotation class Marker

compiler/testData/diagnostics/testsWithStdLib/experimental/experimentalAfterRelease.txt

@@ -0,0 +1,8 @@
+package
+
+@kotlin.RequiresOptIn @kotlin.annotation.Retention(value = AnnotationRetention.BINARY) public final annotation class Marker : kotlin.Annotation {
+    public constructor Marker()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}