--- old/src/share/vm/gc/g1/g1CollectedHeap.hpp	2017-07-24 16:40:38.036313810 +0200
+++ new/src/share/vm/gc/g1/g1CollectedHeap.hpp	2017-07-24 16:40:37.908313814 +0200
@@ -1436,6 +1436,8 @@
   virtual const char* const* concurrent_phases() const;
   virtual bool request_concurrent_phase(const char* phase);
 
+  void verify_nmethod_roots(nmethod* nmethod);
+
   // The methods below are here for convenience and dispatch the
   // appropriate method depending on value of the given VerifyOption
   // parameter. The values for that parameter, and their meanings,