src/share/vm/gc/cms/concurrentMarkSweepGeneration.hpp

rev 11970 : [mq]: overflow_list_2

@@ -538,11 +538,11 @@
 
   OopTaskQueueSet* _task_queues;
 
   // Overflow list of grey objects, threaded through mark-word
   // Manipulated with CAS in the parallel/multi-threaded case.
-  oop _overflow_list;
+  oopDesc* volatile _overflow_list;
   // The following array-pair keeps track of mark words
   // displaced for accommodating overflow list above.
   // This code will likely be revisited under RFE#4922830.
   Stack<oop, mtGC>     _preserved_oop_stack;
   Stack<markOop, mtGC> _preserved_mark_stack;