352a525eb9
PR-URL: https://github.com/nodejs/node/pull/19989 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Matheus Marchini <matheus@sthima.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Myles Borins <myles.borins@gmail.com>
27 lines
858 B
JavaScript
27 lines
858 B
JavaScript
// 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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let arr = new Array(0x10000);
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let resolve_element_closures = new Array(0x10000);
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for (let i = 0; i < arr.length; i++) {
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arr[i] = new Promise(() => {});
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arr[i].then = ((idx, resolve) => {
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resolve_element_closures[idx] = resolve;
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}).bind(null, i);
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}
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Promise.all(arr);
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// 0xffff is too large, transitions to DICTIONARY_ELEMENTS
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resolve_element_closures[0xffff]();
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// grows the capacity, the elements kind of the result array is still DICTIONARY_ELEMENTS, but the elements object of it is no more a dictionary.
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resolve_element_closures[100]();
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// You can observe that V8 crashes here in debug mode.
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resolve_element_closures[0xfffe]();
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