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Issue 279743002: Improve Array.shift() performance for small arrays. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Cosmetic fix Created 6 years, 7 months ago
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1 // Copyright 2014 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: --allow-natives-syntax
6
7 Array.prototype[1] = "element 1";
8 function test(a) {
9 a.shift();
10 return a;
11 }
12 assertEquals(["element 1",{}], test([0,,{}]));
13 assertEquals(["element 1",10], test([9,,10]));
14 %OptimizeFunctionOnNextCall(test);
15 assertEquals(["element 1",10], test([9,,10]));
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