1d6adf7432
PR-URL: https://github.com/nodejs/node/pull/32831 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
23 lines
446 B
JavaScript
23 lines
446 B
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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const r = /x/;
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let counter = 0;
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r.exec = () => { counter++; return null; }
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function f() {
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r.test("ABcd");
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}
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%PrepareFunctionForOptimization(f);
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f();
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assertEquals(1, counter);
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%OptimizeFunctionOnNextCall(f);
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f();
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assertEquals(2, counter);
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