--- a/hotspot/src/share/vm/runtime/thread.cpp Fri Jun 04 17:44:51 2010 -0400
+++ b/hotspot/src/share/vm/runtime/thread.cpp Wed Jun 09 13:53:58 2010 -0400
@@ -2799,6 +2799,7 @@
_task = NULL;
_queue = queue;
_counters = counters;
+ _buffer_blob = NULL;
#ifndef PRODUCT
_ideal_graph_printer = NULL;