v8/test/mjsunit/regexp-override-symbol-replace.js

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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.
var s = "baa";
assertEquals("bca", s.replace(/a/, "c"));
RegExp.prototype[Symbol.replace] = () => 42;
assertEquals(42, s.replace(/a./));