--- old/src/hotspot/share/runtime/objectMonitor.inline.hpp	2019-08-13 12:39:54.772307868 +0200
+++ new/src/hotspot/share/runtime/objectMonitor.inline.hpp	2019-08-13 12:39:54.480302803 +0200
@@ -63,7 +63,7 @@
   assert(_object != NULL, "must be non-NULL");
   assert(_owner == NULL, "must be NULL: owner=" INTPTR_FORMAT, p2i(_owner));
 
-  Atomic::store(markWord(0), &_header);
+  Atomic::store(markWord(markWord::zero), &_header);
   _object = NULL;
 }