--- a/src/hotspot/share/gc/z/zHeap.hpp	Wed Jun 27 15:02:53 2018 +0200
+++ b/src/hotspot/share/gc/z/zHeap.hpp	Wed Jun 27 15:04:27 2018 +0200
@@ -152,7 +152,7 @@
   void relocate();
 
   // Iteration
-  void object_iterate(ObjectClosure* cl);
+  void object_iterate(ObjectClosure* cl, bool visit_referents);
 
   // Serviceability
   void serviceability_initialize();