--- old/src/hotspot/share/memory/iterator.hpp	2018-03-27 15:51:20.078742597 +0200
+++ new/src/hotspot/share/memory/iterator.hpp	2018-03-27 15:51:19.818734578 +0200
@@ -133,6 +133,9 @@
                                  _wrapped_closure->do_oop(p); }
   void do_oop(narrowOop* p)    { assert(false, "Only the _nv versions should be used");
                                  _wrapped_closure->do_oop(p);}
+#ifdef ASSERT
+  bool should_verify_oops() { return false; }
+#endif
 };
 
 class KlassClosure : public Closure {