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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 // Flags: --enable-fast-array-builtins | |
6 | |
7 var a = [0,1,2,,,,7]; | |
8 var proto = {} | |
9 a.__proto__ = proto; | |
10 var visits = 0; | |
11 Array.prototype.forEach.call(a, (v,i,o) => { ++visits; proto[4] = 4; }); | |
12 assertEquals(5, visits); | |
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