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
433 B
JavaScript
19 lines
433 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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function bar(o) {
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return o.hello, Object.getPrototypeOf(o);
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};
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%PrepareFunctionForOptimization(bar);
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var y = { __proto__: {}, hello: 44 };
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var z = { hello: 45 };
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bar(y);
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bar(z);
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bar(y);
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%OptimizeFunctionOnNextCall(bar);
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bar(y);
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