diff -r 211c22831646 -r d4f41f692503 hotspot/src/share/vm/runtime/thread.cpp
--- a/hotspot/src/share/vm/runtime/thread.cpp	Fri May 08 15:41:39 2015 +0200
+++ b/hotspot/src/share/vm/runtime/thread.cpp	Fri May 08 09:52:51 2015 -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);