nodejs/deps/v8/test/mjsunit/regress/regress-crbug-1472121.js

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// Copyright 2023 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.
let a = {p0: 1, p1: 1, p2: 1, p3: 1, p4: 1, p5: 1, p6: 1, p7: 1, p8: 1};
a.p9 = 1;
function throwaway() {
return {...a, __proto__: null};
}
for (let j = 0; j < 100; ++j) // IC
throwaway();
for (let key in a) a[key] = {};
function func() {
return {...a, __proto__: null};
}
for (let j = 0; j < 100; ++j) // IC
corrupted = func();
corrupted.p9 = 0x42424242 >> 1;