--- a/hotspot/src/share/vm/gc_implementation/g1/ptrQueue.hpp	Fri Sep 13 04:16:54 2013 -0700
+++ b/hotspot/src/share/vm/gc_implementation/g1/ptrQueue.hpp	Fri Sep 13 16:55:44 2013 -0700
@@ -38,6 +38,7 @@
 
 class PtrQueueSet;
 class PtrQueue VALUE_OBJ_CLASS_SPEC {
+  friend class VMStructs;
 
 protected:
   // The ptr queue set to which this queue belongs.