Index: src/main/org/codehaus/groovy/classgen/AsmClassGenerator.java
===================================================================
--- src/main/org/codehaus/groovy/classgen/AsmClassGenerator.java	(revision 16963)
+++ src/main/org/codehaus/groovy/classgen/AsmClassGenerator.java	Fri Jul 24 09:43:10 EST 2009
@@ -219,7 +219,7 @@
 
             cv.visit(
                     getBytecodeVersion(),
-                    classNode.getModifiers(),
+                    classNode.getModifiers() | ACC_SUPER,
                     internalClassName,
                     BytecodeHelper.getGenericsSignature(classNode),
                     internalBaseClassName,
@@ -285,7 +285,7 @@
                         innerClassInternalName,
                         outerClassName,
                         innerClassName,
-                        innerClass.getModifiers());
+                        innerClass.getModifiers() | ACC_SUPER);
             }
             //TODO: an inner class should have an entry of itself