--- a/src/hotspot/share/runtime/vmOperations.cpp	Mon Apr 29 14:34:10 2019 -0400
+++ b/src/hotspot/share/runtime/vmOperations.cpp	Mon Apr 29 16:01:52 2019 -0400
@@ -450,8 +450,8 @@
 
     attempts++;
 
-    MutexLocker ml(&timer, Mutex::_no_safepoint_check_flag);
-    timer.wait_without_safepoint_check(10);
+    MonitorLocker ml(&timer, Mutex::_no_safepoint_check_flag);
+    ml.wait(10);
   }
 }