| // Copyright 2020 the V8 project authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| // Flags: --allow-natives-syntax | |
| function foo(b) { | |
| var x = -0; | |
| var y = -0x80000000; | |
| if (b) { | |
| x = -1; | |
| y = 1; | |
| } | |
| return (x - y) == -0x80000000; | |
| } | |
| %PrepareFunctionForOptimization(foo); | |
| assertFalse(foo(true)); | |
| %OptimizeFunctionOnNextCall(foo); | |
| assertFalse(foo(false)); |