diff -r e59ced856c92 -r 11743872bfc9 src/share/classes/com/sun/tools/javac/code/Symbol.java
--- a/src/share/classes/com/sun/tools/javac/code/Symbol.java	Wed Feb 11 12:18:57 2015 -0800
+++ b/src/share/classes/com/sun/tools/javac/code/Symbol.java	Fri Feb 13 17:18:21 2015 +0100
@@ -1153,6 +1153,16 @@
         public <R, P> R accept(Symbol.Visitor<R, P> v, P p) {
             return v.visitClassSymbol(this, p);
         }
+
+        public void markAbstractIfNeeded(Types types) {
+            if (types.enter.getEnv(this) != null &&
+                (flags() & ENUM) != 0 && types.supertype(type).tsym == types.syms.enumSym &&
+                (flags() & (FINAL | ABSTRACT)) == 0) {
+                if (types.firstUnimplementedAbstract(this) != null)
+                    // add the ABSTRACT flag to an enum
+                    flags_field |= ABSTRACT;
+            }
+        }
     }