diff -r a20be5bfcbee -r 0c8b519af363 hotspot/src/share/vm/runtime/thread.cpp
--- a/hotspot/src/share/vm/runtime/thread.cpp	Mon Oct 18 01:54:24 2010 -0700
+++ b/hotspot/src/share/vm/runtime/thread.cpp	Tue Oct 19 02:52:57 2010 -0700
@@ -1199,6 +1199,7 @@
   _exception_pc  = 0;
   _exception_handler_pc = 0;
   _exception_stack_size = 0;
+  _is_method_handle_return = 0;
   _jvmti_thread_state= NULL;
   _should_post_on_exceptions_flag = JNI_FALSE;
   _jvmti_get_loaded_classes_closure = NULL;