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PR-URL: https://github.com/nodejs/node/pull/28918 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
19 lines
552 B
JavaScript
19 lines
552 B
JavaScript
// Copyright 2019 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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function includes(key, array) {
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// Transition to dictionary mode in the final invocation.
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array.__defineSetter__(key, () => {});
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// Will then read OOB.
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return array.includes(1234);
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};
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%PrepareFunctionForOptimization(includes);
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includes('', []);
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includes("", []);
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%OptimizeFunctionOnNextCall(includes);
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includes("", []);
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includes("1235", []);
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