| // 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 | |
| function bar(a) { | |
| return Object.defineProperty(a, 'x', {get() { return 1; }}); | |
| } | |
| function foo() { | |
| return {}; | |
| } | |
| %NeverOptimizeFunction(bar); | |
| %PrepareFunctionForOptimization(foo); | |
| const o = foo(); // Keep a reference so the GC doesn't kill the map. | |
| bar(o); | |
| const a = bar(foo()); | |
| %OptimizeFunctionOnNextCall(foo); | |
| const b = bar(foo()); | |
| assertTrue(%HaveSameMap(a, b)); |