15 lines
344 B
JavaScript
15 lines
344 B
JavaScript
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// Copyright 2016 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 f(obj) {
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var key;
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for (key in obj) { }
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return key === undefined;
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}
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%OptimizeFunctionOnNextCall(f);
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assertFalse(f({ foo:0 }));
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