diff -r 64752e56d721 -r be27e1b6a4b9 hotspot/src/share/vm/gc_implementation/g1/sparsePRT.hpp
--- a/hotspot/src/share/vm/gc_implementation/g1/sparsePRT.hpp	Wed Jun 27 15:23:36 2012 +0200
+++ b/hotspot/src/share/vm/gc_implementation/g1/sparsePRT.hpp	Thu Jun 28 17:03:16 2012 -0400
@@ -42,7 +42,7 @@
 // insertions only enqueue old versions for deletions, but do not delete
 // old versions synchronously.
 
-class SparsePRTEntry: public CHeapObj {
+class SparsePRTEntry: public CHeapObj<mtGC> {
 public:
   enum SomePublicConstants {
     NullEntry     = -1,
@@ -101,7 +101,7 @@
 };
 
 
-class RSHashTable : public CHeapObj {
+class RSHashTable : public CHeapObj<mtGC> {
 
   friend class RSHashTableIter;