diff -r a6fe94b9759f -r 859cd1a76f8a src/share/vm/memory/blockOffsetTable.hpp
--- a/src/share/vm/memory/blockOffsetTable.hpp	Fri Sep 14 22:00:41 2012 -0700
+++ b/src/share/vm/memory/blockOffsetTable.hpp	Thu Sep 13 21:20:26 2012 +0200
@@ -285,7 +285,7 @@
   };
 
   static size_t power_to_cards_back(uint i) {
-    return (size_t)(1 << (LogBase * i));
+    return (size_t)1 << (LogBase * i);
   }
   static size_t power_to_words_back(uint i) {
     return power_to_cards_back(i) * N_words;