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Issue 419683004: In GrowMode, force the value to the right representation to avoid deopts between storing the length… (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 5 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
6 6
7 function f(x) { 7 function f(a, v) {
8 var a = [1, 2]; 8 a[a.length] = v;
9 a[x];
10 return a[0 - x];
11 } 9 }
12 10
13 f(0); 11 var a = [1.4];
14 f(0); 12 f(a, 1);
13 f(a, 2);
15 %OptimizeFunctionOnNextCall(f); 14 %OptimizeFunctionOnNextCall(f);
16 assertEquals(undefined, f(1)); 15 f(a, {});
16 assertEquals(4, a.length);
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