--- a/hotspot/src/share/vm/runtime/thread.cpp	Tue Aug 05 14:44:18 2014 -0700
+++ b/hotspot/src/share/vm/runtime/thread.cpp	Mon Oct 27 20:03:57 2014 -1000
@@ -202,6 +202,8 @@
   // This initial value ==> never claimed.
   _oops_do_parity = 0;
 
+  _metadata_on_stack_buffer = NULL;
+
   // the handle mark links itself to last_handle_mark
   new HandleMark(this);