--- a/hotspot/src/share/vm/memory/referenceProcessor.hpp	Wed Jun 27 15:23:36 2012 +0200
+++ b/hotspot/src/share/vm/memory/referenceProcessor.hpp	Thu Jun 28 17:03:16 2012 -0400
@@ -203,7 +203,7 @@
   }
 };
 
-class ReferenceProcessor : public CHeapObj {
+class ReferenceProcessor : public CHeapObj<mtGC> {
  protected:
   // Compatibility with pre-4965777 JDK's
   static bool _pending_list_uses_discovered_field;