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Issue 2161943002: [crankshaft] Guard against side effects in Array.prototype.shift lowering. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 5 months ago
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1 // Copyright 2016 the V8 project authors. All rights reserved. 1 // Copyright 2016 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(a, b, c, d, e) { 7 function f(a, x) {
8 if (a && (b, c ? d() : e())) return 0; 8 a.shift(2, a.length = 2);
9 a[0] = x;
9 } 10 }
10 11
11 f(); 12 f([ ], 1.1);
12 f(); 13 f([1], 1.1);
13 %OptimizeFunctionOnNextCall(f); 14 %OptimizeFunctionOnNextCall(f);
14 f(); 15 f([1], 1.1);
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