--- old/src/hotspot/share/gc/shared/c2/barrierSetC2.hpp	2018-11-12 20:24:04.524770188 +0100
+++ new/src/hotspot/share/gc/shared/c2/barrierSetC2.hpp	2018-11-12 20:24:04.363770976 +0100
@@ -28,6 +28,7 @@
 #include "memory/allocation.hpp"
 #include "oops/accessDecorators.hpp"
 #include "opto/loopnode.hpp"
+#include "opto/matcher.hpp"
 #include "opto/memnode.hpp"
 #include "utilities/globalDefinitions.hpp"
 
@@ -291,6 +292,9 @@
 
   virtual bool final_graph_reshaping(Compile* compile, Node* n, uint opcode) const { return false; }
 
+  virtual bool matcher_find_shared_visit(Matcher* matcher, Matcher::MStack& mstack, Node* n, uint opcode, bool& mem_op, int& mem_addr_idx) const { return false; };
+  virtual bool matcher_find_shared_post_visit(Matcher* matcher, Node* n, uint opcode) const { return false; };
+  virtual bool matcher_is_store_load_barrier(Node* x, uint xop) const { return false; }
 };
 
 #endif // SHARE_GC_SHARED_C2_BARRIERSETC2_HPP