src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TypeEnter.java

*** 39,10 ***
--- 39,11 ---
  import com.sun.tools.javac.code.Scope.NamedImportScope;
  import com.sun.tools.javac.code.Scope.StarImportScope;
  import com.sun.tools.javac.code.Scope.WriteableScope;
  import com.sun.tools.javac.code.Source.Feature;
  import com.sun.tools.javac.comp.Annotate.AnnotationTypeMetadata;
+ import com.sun.tools.javac.jvm.Target;
  import com.sun.tools.javac.tree.*;
  import com.sun.tools.javac.util.*;
  import com.sun.tools.javac.util.DefinedBy.Api;
  
  import com.sun.tools.javac.code.Symbol.*;

*** 747,11 ***
              }  else {
                  ct.interfaces_field = interfaces.toList();
                  ct.all_interfaces_field = (all_interfaces == null)
                          ? ct.interfaces_field : all_interfaces.toList();
              }
- 
              /* it could be that there are already some symbols in the permitted list, for the case
               * where there are subtypes in the same compilation unit but the permits list is empty
               * so don't overwrite the permitted list if it is not empty
               */
              if (!permittedSubtypeSymbols.isEmpty()) {
--- 748,10 ---

*** 1096,10 ***
--- 1096,21 ---
              }
              if (tree.sym.isAnnotationType()) {
                  Assert.check(tree.sym.isCompleted());
                  tree.sym.setAnnotationTypeMetadata(new AnnotationTypeMetadata(tree.sym, annotate.annotationTypeSourceCompleter()));
              }
+ 
+             if (tree.sym != syms.objectType.tsym) {
+                 if ((tree.sym.flags() & (ABSTRACT | INTERFACE | VALUE_CLASS)) == 0) {
+                     tree.sym.flags_field |= IDENTITY_TYPE;
+                 }
+                 if ((tree.sym.flags() & (ABSTRACT | INTERFACE)) == ABSTRACT) {
+                     if (types.isIdentityType(tree.sym.type)) {
+                         tree.sym.flags_field |= IDENTITY_TYPE;
+                     }
+                 }
+             }
          }
  
          private void addAccessor(JCVariableDecl tree, Env<AttrContext> env) {
              MethodSymbol implSym = lookupMethod(env.enclClass.sym, tree.sym.name, List.nil());
              RecordComponent rec = ((ClassSymbol) tree.sym.owner).getRecordComponent(tree.sym);