--- a/hotspot/src/share/vm/c1/c1_LIRGenerator.hpp	Wed Feb 22 14:00:34 2012 -0500
+++ b/hotspot/src/share/vm/c1/c1_LIRGenerator.hpp	Tue Feb 21 13:14:55 2012 -0500
@@ -525,6 +525,7 @@
   virtual void do_ProfileCall    (ProfileCall*     x);
   virtual void do_ProfileInvoke  (ProfileInvoke*   x);
   virtual void do_RuntimeCall    (RuntimeCall*     x);
+  virtual void do_MemBar         (MemBar*          x);
 };