--- a/src/hotspot/share/gc/shared/c2/barrierSetC2.hpp	Mon Jul 01 12:50:34 2019 +0800
+++ b/src/hotspot/share/gc/shared/c2/barrierSetC2.hpp	Mon Jul 01 10:49:58 2019 +0200
@@ -267,6 +267,7 @@
   virtual bool has_load_barriers() const { return false; }
   virtual bool is_gc_barrier_node(Node* node) const { return false; }
   virtual Node* step_over_gc_barrier(Node* c) const { return c; }
+  virtual Node* step_over_gc_barrier_ctrl(Node* c) const { return c; }
 
   // Support for macro expanded GC barriers
   virtual void register_potential_barrier_node(Node* node) const { }