--- old/src/share/vm/opto/cfgnode.hpp	2012-12-20 20:23:07.201916284 +0100
+++ new/src/share/vm/opto/cfgnode.hpp	2012-12-20 20:23:07.034150431 +0100
@@ -95,6 +95,7 @@
   virtual Node *Identity( PhaseTransform *phase );
   virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
   virtual const RegMask &out_RegMask() const;
+  bool try_clean_mem_phi(PhaseGVN *phase);
 };
 
 //------------------------------JProjNode--------------------------------------