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Issue 1238593003: Array.prototype.reverse should call [[HasProperty]] on elements before [[Get]] (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Changes from code review Created 5 years, 5 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // ES6 specifically says that elements should be checked with [[HasElement]] bef ore
6 // [[Get]]. This is observable in case a getter deletes elements. ES5 put the
7 // [[HasElement]] after the [[Get]].
8
9 assertTrue(1 in Array.prototype.reverse.call(
10 {length:2, get 0(){delete this[0];}, 1: "b"}))
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