--- a/hotspot/src/share/vm/memory/referencePolicy.hpp	Wed Jun 27 15:23:36 2012 +0200
+++ b/hotspot/src/share/vm/memory/referencePolicy.hpp	Thu Jun 28 17:03:16 2012 -0400
@@ -29,7 +29,7 @@
 // should be cleared.
 
 
-class ReferencePolicy : public CHeapObj {
+class ReferencePolicy : public CHeapObj<mtGC> {
  public:
   virtual bool should_clear_reference(oop p, jlong timestamp_clock) {
     ShouldNotReachHere();