diff -r ca7d48236048 -r e9be0e04635a src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	Sat Dec 20 00:45:18 2008 -0800
+++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	Tue Jan 06 07:05:05 2009 -0800
@@ -850,6 +850,7 @@
 
   // Iterate over all objects, calling "cl.do_object" on each.
   virtual void object_iterate(ObjectClosure* cl);
+  virtual void safe_object_iterate(ObjectClosure* cl) { object_iterate(cl); }
 
   // Iterate over all objects allocated since the last collection, calling
   // "cl.do_object" on each.  The heap must have been initialized properly