c9ea8d6512
SparseSlice does not need this (non-optimal) reordering since its callers guarantee that [[Get]] has no side effects on the passed-in array. BUG=v8:3643 LOG=n R=mstarzinger@chromium.org Review URL: https://codereview.chromium.org/674003002 Cr-Commit-Position: refs/heads/master@{#24884} git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24884 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
22 lines
606 B
JavaScript
22 lines
606 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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var a = [1, 2, 3];
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Object.defineProperty(a, '1', {
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get: function() { delete this[1]; return undefined; },
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configurable: true
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});
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var s = a.slice(1);
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assertTrue('0' in s);
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// Sparse case should hit the same code as above due to presence of the getter.
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a = [1, 2, 3];
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a[0xffff] = 4;
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Object.defineProperty(a, '1', {
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get: function() { delete this[1]; return undefined; },
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configurable: true
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});
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s = a.slice(1);
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assertTrue('0' in s);
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