diff -r 74533f63b116 -r d2a62e0f25eb src/share/vm/memory/blockOffsetTable.hpp
--- a/src/share/vm/memory/blockOffsetTable.hpp	Wed Jun 27 15:23:36 2012 +0200
+++ b/src/share/vm/memory/blockOffsetTable.hpp	Thu Jun 28 17:03:16 2012 -0400
@@ -100,7 +100,7 @@
 //////////////////////////////////////////////////////////////////////////
 // BlockOffsetSharedArray
 //////////////////////////////////////////////////////////////////////////
-class BlockOffsetSharedArray: public CHeapObj {
+class BlockOffsetSharedArray: public CHeapObj<mtGC> {
   friend class BlockOffsetArray;
   friend class BlockOffsetArrayNonContigSpace;
   friend class BlockOffsetArrayContigSpace;