--- old/src/hotspot/share/runtime/synchronizer.cpp	2019-08-09 15:17:43.000000000 -0400
+++ new/src/hotspot/share/runtime/synchronizer.cpp	2019-08-09 15:17:42.000000000 -0400
@@ -432,7 +432,7 @@
   // If this thread has locked the object, exit the monitor. We
   // intentionally do not use CHECK here because we must exit the
   // monitor even if an exception is pending.
-  if (monitor->check_owner_and_throw_IMSE_if_not(THREAD)) {
+  if (monitor->check_owner(THREAD)) {
     monitor->exit(true, THREAD);
   }
 }