--- old/src/hotspot/share/runtime/thread.cpp	2019-03-27 14:17:38.570234888 +0100
+++ new/src/hotspot/share/runtime/thread.cpp	2019-03-27 14:17:38.223223537 +0100
@@ -1506,7 +1506,7 @@
   {
     MutexLockerEx mu(Terminator_lock, Mutex::_no_safepoint_check_flag);
     _watcher_thread = NULL;
-    Terminator_lock->notify();
+    Terminator_lock->notify_all();
   }
 }