--- old/src/hotspot/share/runtime/mutex.cpp 2019-07-30 16:03:20.710458263 -0400 +++ new/src/hotspot/share/runtime/mutex.cpp 2019-07-30 16:03:20.470458272 -0400 @@ -53,7 +53,7 @@ } #endif // CHECK_UNHANDLED_OOPS - DEBUG_ONLY(check_prelock_state(self, StrictSafepointChecks)); + DEBUG_ONLY(check_prelock_state(self, true)); assert(_owner != self, "invariant"); Monitor* in_flight_monitor = NULL;