17a74ddd3d
PR-URL: https://github.com/nodejs/node/pull/49639 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
24 lines
804 B
JavaScript
24 lines
804 B
JavaScript
// Copyright 2023 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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// Test that cloning the empty object into an object literal with
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// `null` prototype works correctly.
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(function() {
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function clone(o) {
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return {...o, __proto__: null};
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}
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assertNull(Object.getPrototypeOf(clone({})));
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assertNull(Object.getPrototypeOf(clone({})));
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assertNull(Object.getPrototypeOf(clone({})));
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assertNull(Object.getPrototypeOf(clone({})));
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%PrepareFunctionForOptimization(clone);
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assertNull(Object.getPrototypeOf(clone({})));
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assertNull(Object.getPrototypeOf(clone({})));
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%OptimizeFunctionOnNextCall(clone);
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assertNull(Object.getPrototypeOf(clone({})));
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})();
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