--- old/src/hotspot/share/gc/z/c2/zBarrierSetC2.hpp	2018-11-12 21:41:22.340209470 +0100
+++ new/src/hotspot/share/gc/z/c2/zBarrierSetC2.hpp	2018-11-12 21:41:22.180210812 +0100
@@ -209,6 +209,8 @@
 
   virtual bool final_graph_reshaping(Compile* compile, Node* n, uint opcode) const;
 
+  virtual bool matcher_find_shared_visit(Matcher* matcher, Matcher::MStack& mstack, Node* n, uint opcode, bool& mem_op, int& mem_addr_idx) const;
+
 #ifdef ASSERT
   virtual void verify_gc_barriers(Compile* compile, CompilePhase phase) const;
 #endif