7bf6d477d4
Instead of looking up the specific maps in every native context, just check against the instance type. Bug: v8:11256 Change-Id: Ib50d599c014c95b03ba3260014dfcbd9ec82982c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2593337 Reviewed-by: Camillo Bruni <cbruni@chromium.org> Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org> Cr-Commit-Position: refs/heads/master@{#71802}
17 lines
665 B
JavaScript
17 lines
665 B
JavaScript
// Copyright 2020 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 --no-stress-opt
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assertTrue(%SetIteratorProtector());
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assertTrue(%MapIteratorProtector());
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assertTrue(%StringIteratorProtector());
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assertTrue(%ArrayIteratorProtector());
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const mapIteratorPrototype = Object.getPrototypeOf(new Map().values());
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Object.defineProperty(mapIteratorPrototype, "next", { value: {} });
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assertTrue(%SetIteratorProtector());
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assertFalse(%MapIteratorProtector());
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assertTrue(%StringIteratorProtector());
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assertTrue(%ArrayIteratorProtector());
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