| // Copyright 2019 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 | |
| let dummy = {x: 0.1}; | |
| let o = {x: 0}; | |
| function f(o, v) { | |
| o.x = v; | |
| }; | |
| %PrepareFunctionForOptimization(f); | |
| f(o, 0); | |
| f(o, 0); | |
| assertEquals(Infinity, 1 / o.x); | |
| %OptimizeFunctionOnNextCall(f); | |
| f(o, -0); | |
| assertEquals(-Infinity, 1 / o.x); |