--- old/src/share/vm/runtime/thread.cpp	2015-05-07 18:07:53.705980388 -0400
+++ new/src/share/vm/runtime/thread.cpp	2015-05-07 18:07:52.521912652 -0400
@@ -190,6 +190,7 @@
   set_stack_size(0);
   set_self_raw_id(0);
   set_lgrp_id(-1);
+  DEBUG_ONLY(clear_suspendible_thread();)
 
   // allocated data structures
   set_osthread(NULL);