src/jdk.compiler/share/classes/com/sun/tools/javac/code/Type.java

@@ -229,10 +229,25 @@
          Assert.checkNonNull(metadata);
          this.tsym = tsym;
          this.metadata = metadata;
      }
  
+     public boolean isValueClass() {
+         return false;
+     }
+ 
+     public boolean isIdentityClass() {
+         return false;
+     }
+ 
+     // Does this type need to be preloaded in the context of the referring class ??
+     public boolean requiresLoadableDescriptors(Symbol referringClass) {
+         if (this.tsym == referringClass)
+             return false; // pointless
+         return this.isValueClass() && this.isFinal();
+     }
+ 
      /**
       * A subclass of {@link Types.TypeMapping} which applies a mapping recursively to the subterms
       * of a given type expression. This mapping returns the original type is no changes occurred
       * when recursively mapping the original type's subterms.
       */

@@ -1171,10 +1186,20 @@
          @Override
          public boolean isReference() {
              return true;
          }
  
+         @Override
+         public boolean isValueClass() {
+             return tsym != null && tsym.isValueClass();
+         }
+ 
+         @Override
+         public boolean isIdentityClass() {
+             return tsym != null && tsym.isIdentityClass();
+         }
+ 
          @Override
          public boolean isNullOrReference() {
              return true;
          }
  

@@ -2329,12 +2354,11 @@
              c.kind = ERR;
              c.members_field = new Scope.ErrorScope(c);
          }
  
          public ErrorType(Type originalType, TypeSymbol tsym) {
-             super(noType, List.nil(), null);
-             this.tsym = tsym;
+             super(noType, List.nil(), tsym, List.nil());
              this.originalType = (originalType == null ? noType : originalType);
          }
  
          public ErrorType(Type originalType, TypeSymbol tsym,
                            List<TypeMetadata> metadata) {