--- a/hotspot/src/share/vm/utilities/workgroup.hpp	Mon Dec 17 08:49:20 2012 +0100
+++ b/hotspot/src/share/vm/utilities/workgroup.hpp	Mon Dec 17 15:25:26 2012 +0100
@@ -90,7 +90,7 @@
     NOT_PRODUCT(_name = name);
     _counter = 0;
   }
-  virtual ~AbstractGangTask() { }
+  ~AbstractGangTask() { }
 
 public:
 };