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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 return x instanceof Proxy; | 8 x = +x; |
| 9 return (x > 0) ? x : 0 - x; |
9 } | 10 } |
10 | 11 |
11 assertFalse(foo({})); | 12 foo(1); |
12 assertFalse(foo({})); | 13 foo(-1); |
| 14 foo(0); |
13 %OptimizeFunctionOnNextCall(foo); | 15 %OptimizeFunctionOnNextCall(foo); |
14 assertFalse(foo({})); | 16 assertEquals(2147483648, foo(-2147483648)); |
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