--- old/src/share/vm/c1/c1_Canonicalizer.hpp	2012-02-15 17:38:19.202232132 -0500
+++ new/src/share/vm/c1/c1_Canonicalizer.hpp	2012-02-15 17:38:17.808475320 -0500
@@ -104,6 +104,7 @@
   virtual void do_ProfileCall    (ProfileCall*     x);
   virtual void do_ProfileInvoke  (ProfileInvoke*   x);
   virtual void do_RuntimeCall    (RuntimeCall*     x);
+  virtual void do_MemBar         (MemBar*          x);
 };
 
 #endif // SHARE_VM_C1_C1_CANONICALIZER_HPP