e31f0a7d25
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>
30 lines
589 B
JavaScript
30 lines
589 B
JavaScript
// Copyright 2014 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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var o1 = {};
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var o2 = {};
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function foo(x) {
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return x.bar;
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}
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Object.defineProperty(o1, 'bar', {value: 200});
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foo(o1);
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foo(o1);
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function f(b) {
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var o = o2;
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if (b) {
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return foo(o);
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}
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};
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%PrepareFunctionForOptimization(f);
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f(false);
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%OptimizeFunctionOnNextCall(f);
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assertEquals(undefined, f(false));
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Object.defineProperty(o2, 'bar', {value: 100});
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assertEquals(100, f(true));
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