--- old/src/share/vm/oops/oop.cpp	2015-10-14 13:54:12.596928687 +0200
+++ new/src/share/vm/oops/oop.cpp	2015-10-14 13:54:12.497931080 +0200
@@ -100,7 +100,7 @@
   // slow case; we have to acquire the micro lock in order to locate the header
   ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY
   HandleMark hm;
-  Handle object(this);
+  Handle object(oopDesc::bs()->write_barrier(this));
   return ObjectSynchronizer::identity_hash_value_for(object);
 }