src/third_party/v8/test/message/fail/weak-refs-unregister.js

// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Flags: --harmony-weak-refs

let fg = new FinalizationRegistry(() => {});
fg.unregister(1);