--- a/src/hotspot/share/gc/shared/c2/barrierSetC2.hpp	Fri Nov 09 14:08:01 2018 +0100
+++ b/src/hotspot/share/gc/shared/c2/barrierSetC2.hpp	Thu Nov 22 09:22:54 2018 +0100
@@ -303,6 +303,10 @@
   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; }
+
+  virtual void igvn_add_users_to_worklist(PhaseIterGVN* igvn, Node* use) const {}
+  virtual void ccp_analyze(PhaseCCP* ccp, Unique_Node_List& worklist, Node* use) const {}
+
 };
 
 #endif // SHARE_GC_SHARED_C2_BARRIERSETC2_HPP