--- a/src/hotspot/share/runtime/thread.hpp	Thu Apr 12 14:27:23 2018 +0200
+++ b/src/hotspot/share/runtime/thread.hpp	Thu Apr 12 09:03:46 2018 -0400
@@ -2096,6 +2096,7 @@
   // thread to the thread list before allocating its thread object
   static void add(JavaThread* p, bool force_daemon = false);
   static void remove(JavaThread* p);
+  static void non_java_threads_do(ThreadClosure* tc);
   static void threads_do(ThreadClosure* tc);
   static void possibly_parallel_threads_do(bool is_par, ThreadClosure* tc);