--- old/src/hotspot/share/gc/g1/g1ConcurrentMark.cpp	2018-06-20 11:50:08.848140072 +0200
+++ new/src/hotspot/share/gc/g1/g1ConcurrentMark.cpp	2018-06-20 11:50:08.624140080 +0200
@@ -2116,7 +2116,7 @@
 
 G1CMOopClosure::G1CMOopClosure(G1CollectedHeap* g1h,
                                G1CMTask* task)
-  : MetadataAwareOopClosure(get_cm_oop_closure_ref_processor(g1h)),
+  : MetadataVisitingOopIterateClosure(get_cm_oop_closure_ref_processor(g1h)),
     _g1h(g1h), _task(task)
 { }