--- old/src/hotspot/share/gc/z/zLiveMap.inline.hpp	2019-11-21 11:17:20.539736292 +0100
+++ new/src/hotspot/share/gc/z/zLiveMap.inline.hpp	2019-11-21 11:17:20.035728202 +0100
@@ -39,7 +39,7 @@
 }
 
 inline bool ZLiveMap::is_marked() const {
-  return OrderAccess::load_acquire(&_seqnum) == ZGlobalSeqNum;
+  return Atomic::load_acquire(&_seqnum) == ZGlobalSeqNum;
 }
 
 inline uint32_t ZLiveMap::live_objects() const {