c5dc2fc9c1
Don't let holes compare equal to undefined, to avoid tests accidentally succeeding when operating on the wrong holeyness. Change-Id: I5fe1eea8b3e718389b46d542be45cca578a1080c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4091024 Commit-Queue: Leszek Swirski <leszeks@chromium.org> Reviewed-by: Marja Hölttä <marja@chromium.org> Cr-Commit-Position: refs/heads/main@{#84769}
9 lines
334 B
JavaScript
9 lines
334 B
JavaScript
// Copyright 2014 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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var args = (function(a) { return arguments; })(1,2,3);
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delete args[1];
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args[Symbol.isConcatSpreadable] = true;
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assertEquals([1, , 3, 1, , 3], [].concat(args, args));
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