--- a/hotspot/src/share/vm/gc_implementation/g1/survRateGroup.hpp	Wed Jun 27 15:23:36 2012 +0200
+++ b/hotspot/src/share/vm/gc_implementation/g1/survRateGroup.hpp	Thu Jun 28 17:03:16 2012 -0400
@@ -29,7 +29,7 @@
 
 class G1CollectorPolicy;
 
-class SurvRateGroup : public CHeapObj {
+class SurvRateGroup : public CHeapObj<mtGC> {
 private:
   G1CollectorPolicy* _g1p;
   const char* _name;