--- old/src/share/vm/runtime/vmThread.cpp 2020-01-27 23:21:03.000000000 -0800 +++ new/src/share/vm/runtime/vmThread.cpp 2020-01-27 23:21:03.000000000 -0800 @@ -625,7 +625,7 @@ { VMOperationQueue_lock->lock_without_safepoint_check(); bool ok = _vm_queue->add(op); - op->set_timestamp(os::javaTimeMillis()); + op->set_timestamp(os::javaTimeMillis()); VMOperationQueue_lock->notify(); VMOperationQueue_lock->unlock(); // VM_Operation got skipped