--- a/src/hotspot/share/gc/z/zCollectedHeap.hpp	Tue Feb 26 14:57:23 2019 +0530
+++ b/src/hotspot/share/gc/z/zCollectedHeap.hpp	Tue Feb 26 11:36:00 2019 +0100
@@ -105,6 +105,7 @@
 
   virtual void register_nmethod(nmethod* nm);
   virtual void unregister_nmethod(nmethod* nm);
+  virtual void flush_nmethod(nmethod* nm);
   virtual void verify_nmethod(nmethod* nmethod);
 
   virtual WorkGang* get_safepoint_workers();