// 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));