diff a/src/hotspot/share/gc/g1/c2/g1BarrierSetC2.hpp b/src/hotspot/share/gc/g1/c2/g1BarrierSetC2.hpp
--- a/src/hotspot/share/gc/g1/c2/g1BarrierSetC2.hpp
+++ b/src/hotspot/share/gc/g1/c2/g1BarrierSetC2.hpp
@@ -101,11 +101,11 @@
   virtual bool can_initialize_object(const StoreNode* store) const;
   virtual void clone_at_expansion(PhaseMacroExpand* phase,
                                   ArrayCopyNode* ac) const;
   virtual void* create_barrier_state(Arena* comp_arena) const;
   virtual void emit_stubs(CodeBuffer& cb) const;
-  virtual void elide_dominated_barrier(MachNode* mach) const;
+  virtual void elide_dominated_barrier(MachNode* mach, MachNode* dominator) const;
   virtual void late_barrier_analysis() const;
 
 #ifndef PRODUCT
   virtual void dump_barrier_data(const MachNode* mach, outputStream* st) const;
 #endif