--- a/hotspot/src/share/vm/gc_implementation/g1/ptrQueue.hpp	Fri Nov 07 12:52:16 2008 -0800
+++ b/hotspot/src/share/vm/gc_implementation/g1/ptrQueue.hpp	Fri Nov 14 14:23:05 2008 -0800
@@ -62,7 +62,9 @@
   // given PtrQueueSet.
   PtrQueue(PtrQueueSet*, bool perm = false);
   // Release any contained resources.
-  ~PtrQueue();
+  void flush();
+  // Calls flush() when destroyed.
+  ~PtrQueue() { flush(); }
 
   // Associate a lock with a ptr queue.
   void set_lock(Mutex* lock) { _lock = lock; }