--- a/hotspot/src/share/vm/gc/g1/concurrentMark.cpp	Tue Sep 01 14:01:18 2015 -0700
+++ b/hotspot/src/share/vm/gc/g1/concurrentMark.cpp	Wed Sep 02 09:14:04 2015 +0200
@@ -1143,7 +1143,7 @@
   while (curr < end) {
     Prefetch::read(curr, interval);
     oop obj = oop(curr);
-    int size = obj->oop_iterate(&cl);
+    int size = obj->oop_iterate_size(&cl);
     assert(size == obj->size(), "sanity");
     curr += size;
   }