--- old/src/hotspot/share/gc/shared/referenceProcessor.hpp	2018-07-06 17:47:31.553511894 +0200
+++ new/src/hotspot/share/gc/shared/referenceProcessor.hpp	2018-07-06 17:47:31.121517320 +0200
@@ -143,13 +143,13 @@
   inline size_t removed() const { return _removed; }
 
   inline void move_to_next() {
-    if (oopDesc::safe_equals(_current_discovered, _next_discovered)) {
+    if (oopDesc::unsafe_equals(_current_discovered, _next_discovered)) {
       // End of the list.
       _current_discovered = NULL;
     } else {
       _current_discovered = _next_discovered;
     }
-    assert(! oopDesc::safe_equals(_current_discovered, _first_seen), "cyclic ref_list found");
+    assert(! oopDesc::unsafe_equals(_current_discovered, _first_seen), "cyclic ref_list found");
     _processed++;
   }
 };