--- old/src/hotspot/share/gc/z/c2/zBarrierSetC2.hpp	2018-11-07 22:36:33.098264129 +0100
+++ new/src/hotspot/share/gc/z/c2/zBarrierSetC2.hpp	2018-11-07 22:36:32.939265075 +0100
@@ -207,7 +207,7 @@
   static void find_dominating_barriers(PhaseIterGVN& igvn);
   static void loop_optimize_gc_barrier(PhaseIdealLoop* phase, Node* node, bool last_round);
 
-  virtual bool final_graph_reshaping(Compile* compile, Node* n) const;
+  virtual bool final_graph_reshaping(Compile* compile, Node* n, uint opcode) const;
 
 #ifdef ASSERT
   virtual void verify_gc_barriers(Compile* compile, CompilePhase phase) const;