--- a/hotspot/src/share/vm/gc_implementation/g1/g1RemSet.hpp	Fri Aug 31 16:39:35 2012 -0700
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1RemSet.hpp	Sat Sep 01 13:25:18 2012 -0400
@@ -153,7 +153,7 @@
   HeapWord* start_first() { return _start_first; }
 };
 
-class UpdateRSOopClosure: public OopClosure {
+class UpdateRSOopClosure: public ExtendedOopClosure {
   HeapRegion* _from;
   G1RemSet* _rs;
   int _worker_i;