25 lines
564 B
JavaScript
25 lines
564 B
JavaScript
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// Copyright 2018 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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const resolvedPromise = Promise.resolve();
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function spread() {
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const result = { ...resolvedPromise };
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%HeapObjectVerify(result);
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return result;
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}
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resolvedPromise[undefined] = {a:1};
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%HeapObjectVerify(resolvedPromise);
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spread();
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resolvedPromise[undefined] = undefined;
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%HeapObjectVerify(resolvedPromise);
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spread();
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%HeapObjectVerify(resolvedPromise);
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