string-matchAll-deleted-matchAll.js 279 Bytes
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// Copyright 2018 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.

delete RegExp.prototype[Symbol.matchAll];
const str = 'a';
assertThrows(() => str.matchAll(/\w/g), TypeError);