--- old/src/hotspot/share/runtime/thread.hpp	2018-04-03 17:01:28.000000000 -0400
+++ new/src/hotspot/share/runtime/thread.hpp	2018-04-03 17:01:27.000000000 -0400
@@ -2114,6 +2114,7 @@
   // 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);