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Issue 491863002: Don't inline Array.shift() if receiver map is not extensible. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 4 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Flags: --allow-natives-syntax 5 // Flags: --allow-natives-syntax --gc-interval=203
6 6
7 function f() { 7 function f() {
8 [].indexOf(0x40000000); 8 var e = [0];
9 %PreventExtensions(e);
10 for (var i = 0; i < 4; i++) e.shift();
9 } 11 }
10 12
11 f(); 13 f();
12 f(); 14 f();
13 %OptimizeFunctionOnNextCall(f); 15 %OptimizeFunctionOnNextCall(f);
14 f(); 16 f();
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