--- old/src/share/vm/opto/callnode.hpp	2016-11-07 17:43:06.935926528 +0100
+++ new/src/share/vm/opto/callnode.hpp	2016-11-07 17:43:05.890933028 +0100
@@ -618,6 +618,7 @@
   virtual bool        may_modify(const TypeOopPtr *t_oop, PhaseTransform *phase);
   // Does this node have a use of n other than in debug information?
   bool                has_non_debug_use(Node *n);
+  bool                has_debug_use(Node *n);
   // Returns the unique CheckCastPP of a call
   // or result projection is there are several CheckCastPP
   // or returns NULL if there is no one.