--- a/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/freeChunk.hpp	Fri Jun 27 19:12:11 2008 -0700
+++ b/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/freeChunk.hpp	Wed Jul 09 15:08:55 2008 -0700
@@ -85,6 +85,8 @@
   }
 
   debug_only(void* prev_addr() const { return (void*)&_prev; })
+  debug_only(void* next_addr() const { return (void*)&_next; })
+  debug_only(void* size_addr() const { return (void*)&_size; })
 
   size_t size() const volatile {
     LP64_ONLY(if (UseCompressedOops) return mark()->get_size(); else )