ece2746346
I.e., implement the Maglev handler for the FindNonDefaultConstructor bytecode. Bug: v8:13091 Change-Id: I6d9905227875fe4efd460434b650fc48d008e7bf Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3925196 Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Marja Hölttä <marja@chromium.org> Cr-Commit-Position: refs/heads/main@{#83470}
27 lines
769 B
JavaScript
27 lines
769 B
JavaScript
// Copyright 2022 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: --omit-default-ctors
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// This behavior is not spec compliant, see crbug.com/v8/13249.
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(function ArrayIteratorMonkeyPatched() {
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let iterationCount = 0;
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const oldIterator = Array.prototype[Symbol.iterator];
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Array.prototype[Symbol.iterator] =
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function () { ++iterationCount; return oldIterator.call(this); };
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class A {}
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class B extends A {}
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class C extends B {}
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assertEquals(0, iterationCount);
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new C();
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// C default ctor doing "...args" and B default ctor doing "...args".
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assertEquals(2, iterationCount);
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Array.prototype[Symbol.iterator] = oldIterator;
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})();
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