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// 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 foo() {
const r = {e: NaN, g: undefined, c: undefined};
const u = {__proto__: {}, e: new Set(), g: 0, c: undefined};
return r;
};
%PrepareFunctionForOptimization(foo);
foo();
%OptimizeFunctionOnNextCall(foo);
const o = foo();
Object.defineProperty(o, 'c', {value: 42});
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