--- old/src/share/vm/runtime/thread.cpp	2017-06-28 15:45:11.000000000 -0700
+++ new/src/share/vm/runtime/thread.cpp	2017-06-28 15:45:11.000000000 -0700
@@ -2898,7 +2898,7 @@
   st->print_raw("\" ");
   oop thread_oop = threadObj();
   if (thread_oop != NULL) {
-    st->print("#" INT64_FORMAT " ", java_lang_Thread::thread_id(thread_oop));
+    st->print("#" INT64_FORMAT " ", (int64_t)java_lang_Thread::thread_id(thread_oop));
     if (java_lang_Thread::is_daemon(thread_oop))  st->print("daemon ");
     st->print("prio=%d ", java_lang_Thread::priority(thread_oop));
   }