diff a/src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp b/src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp
--- a/src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp
+++ b/src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp
@@ -471,11 +471,11 @@
   clone_in_runtime(phase, ac, ZBarrierSetRuntime::clone_addr(), "ZBarrierSetRuntime::clone");
 }
 
 #undef XTOP
 
-void ZBarrierSetC2::elide_dominated_barrier(MachNode* mach) const {
+void ZBarrierSetC2::elide_dominated_barrier(MachNode* mach, MachNode* dominator) const {
   mach->set_barrier_data(ZBarrierElided);
 }
 
 void ZBarrierSetC2::analyze_dominating_barriers() const {
   ResourceMark rm;