2a350ed457
Do not take the fast path for Array.prototype.keys() if the array length is not guaranteed to be an Smi. BUG=660925, v8:5388 R=bmeurer@chromium.org, mstarzinger@chromium.org Review-Url: https://codereview.chromium.org/2496323002 Cr-Commit-Position: refs/heads/master@{#40976}
14 lines
458 B
JavaScript
14 lines
458 B
JavaScript
// 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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let array = new Array(0xFFFFFFFF);
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let it = array.keys();
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assertEquals({ value: 0, done: false }, it.next());
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it = array.entries();
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assertEquals({ value: [0, undefined], done: false }, it.next());
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it = array[Symbol.iterator]();
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assertEquals({ value: undefined, done: false }, it.next());
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