--- a/hotspot/src/share/vm/gc_implementation/g1/collectionSetChooser.hpp	Wed Jun 27 15:23:36 2012 +0200
+++ b/hotspot/src/share/vm/gc_implementation/g1/collectionSetChooser.hpp	Thu Jun 28 17:03:16 2012 -0400
@@ -28,7 +28,7 @@
 #include "gc_implementation/g1/heapRegion.hpp"
 #include "utilities/growableArray.hpp"
 
-class CollectionSetChooser: public CHeapObj {
+class CollectionSetChooser: public CHeapObj<mtGC> {
 
   GrowableArray<HeapRegion*> _regions;