--- old/src/hotspot/share/gc/shared/collectedHeap.inline.hpp	2018-03-25 12:59:27.163833703 +0200
+++ new/src/hotspot/share/gc/shared/collectedHeap.inline.hpp	2018-03-25 12:59:26.926836910 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -61,10 +61,10 @@
 
   assert(obj != NULL, "NULL object pointer");
   if (UseBiasedLocking && (klass != NULL)) {
-    obj->set_mark(klass->prototype_header());
+    obj->set_mark_raw(klass->prototype_header());
   } else {
     // May be bootstrapping
-    obj->set_mark(markOopDesc::prototype());
+    obj->set_mark_raw(markOopDesc::prototype());
   }
 }