diff -r 4a2ed49abd51 -r ecd24264898b src/share/vm/services/memRecorder.hpp
--- a/src/share/vm/services/memRecorder.hpp	Fri Dec 07 10:55:16 2012 -0800
+++ b/src/share/vm/services/memRecorder.hpp	Tue Jan 08 14:04:25 2013 -0500
@@ -203,6 +203,7 @@
   friend class MemSnapshot;
   friend class MemTracker;
   friend class MemTrackWorker;
+  friend class GenerationData;
 
  protected:
   // the array that holds memory records