[FE] Allow declare sealed class inheritors as inner or nested classes

#KT-13495
2020-11-16 11:59:27 +03:00
parent f5f1984a60
commit 70c61be1ef
4 changed files with 27 additions and 3 deletions
@@ -56,6 +56,7 @@ import org.jetbrains.kotlin.util.ReenteringLazyValueComputationException;

 import java.util.*;

+import static org.jetbrains.kotlin.config.LanguageFeature.FreedomForSealedClasses;
 import static org.jetbrains.kotlin.config.LanguageFeature.TopLevelSealedInheritance;
 import static org.jetbrains.kotlin.diagnostics.Errors.*;
 import static org.jetbrains.kotlin.resolve.BindingContext.*;
@@ -635,7 +636,12 @@ public class BodyResolver {
                        containingDescriptor = containingDescriptor.getContainingDeclaration();
                    }
                    if (containingDescriptor == null) {
-                        trace.report(SEALED_SUPERTYPE.on(typeReference));
+                        if (
+                            !languageVersionSettings.supportsFeature(FreedomForSealedClasses) ||
+                            DescriptorUtils.isLocal(supertypeOwner)
+                        ) {
+                            trace.report(SEALED_SUPERTYPE.on(typeReference));
+                        }
                    }
                    else {
                        trace.report(SEALED_SUPERTYPE_IN_LOCAL_CLASS.on(typeReference));