--- old/src/hotspot/share/gc/shared/c2/barrierSetC2.hpp	2018-11-30 10:23:33.793921488 +0100
+++ new/src/hotspot/share/gc/shared/c2/barrierSetC2.hpp	2018-11-30 10:23:33.646922996 +0100
@@ -314,6 +314,8 @@
   virtual void ccp_analyze(PhaseCCP* ccp, Unique_Node_List& worklist, Node* use) const {}
 
   virtual Node* split_if_pre(PhaseIdealLoop* phase, Node* n) const { return NULL; }
+  virtual bool build_loop_late_post(PhaseIdealLoop* phase, Node* n) const { return false; }
+  virtual bool sink_node(PhaseIdealLoop* phase, Node* n, Node* x, Node* x_ctrl, Node* n_ctrl) const { return false; }
 };
 
 #endif // SHARE_GC_SHARED_C2_BARRIERSETC2_HPP