--- a/hotspot/src/share/vm/gc_implementation/parallelScavenge/psMarkSweepDecorator.hpp	Wed Jun 27 15:23:36 2012 +0200
+++ b/hotspot/src/share/vm/gc_implementation/parallelScavenge/psMarkSweepDecorator.hpp	Thu Jun 28 17:03:16 2012 -0400
@@ -34,7 +34,7 @@
 
 class ObjectStartArray;
 
-class PSMarkSweepDecorator: public CHeapObj {
+class PSMarkSweepDecorator: public CHeapObj<mtGC> {
  private:
   static PSMarkSweepDecorator* _destination_decorator;