--- a/src/hotspot/share/gc/shared/c2/barrierSetC2.hpp	Tue Sep 11 20:37:47 2018 -0700
+++ b/src/hotspot/share/gc/shared/c2/barrierSetC2.hpp	Fri Aug 31 16:28:52 2018 +0200
@@ -190,6 +190,8 @@
 
   virtual void clone(GraphKit* kit, Node* src, Node* dst, Node* size, bool is_array) const;
 
+  virtual Node* resolve(GraphKit* kit, Node* n, DecoratorSet decorators) const { return n; }
+
   // These are general helper methods used by C2
   virtual bool array_copy_requires_gc_barriers(BasicType type) const { return false; }