--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassWriter.java	Fri Jan 16 12:02:41 2015 +0000
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassWriter.java	Fri Jan 16 14:47:25 2015 +0100
@@ -1000,6 +1000,7 @@
              l.nonEmpty();
              l = l.tail) {
             ClassSymbol inner = l.head;
+            inner.markAbstractIfNeeded(types);
             char flags = (char) adjustFlags(inner.flags_field);
             if ((flags & INTERFACE) != 0) flags |= ABSTRACT; // Interfaces are always ABSTRACT
             if (inner.name.isEmpty()) flags &= ~FINAL; // Anonymous class: unset FINAL flag