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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 foo(x) { | 7 function foo(x) { |
8 x = +x; | 8 (function() { x = 1; })() |
9 return (x > 0) ? x : 0 - x; | 9 return arguments[0]; |
10 } | 10 } |
11 | 11 |
12 foo(1); | 12 assertEquals(1, foo(42)); |
13 foo(-1); | 13 assertEquals(1, foo(42)); |
14 foo(0); | |
15 %OptimizeFunctionOnNextCall(foo); | 14 %OptimizeFunctionOnNextCall(foo); |
16 assertEquals(2147483648, foo(-2147483648)); | 15 assertEquals(1, foo(42)); |
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