6e27386d68
This is a reland of b90e83f5da
Original change's description:
> [runtime] Add shortcuts for elements kinds transitions.
>
> The shortcuts ensure that field type generalization is properly
> propagated in the transition graph.
>
> Bug: chromium:738763
> Change-Id: Id701a6f95ed6ea093c707fbe0bac228f1f856e9f
> Reviewed-on: https://chromium-review.googlesource.com/567992
> Commit-Queue: Igor Sheludko <ishell@chromium.org>
> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#46622}
Bug: chromium:738763, chromium:742346, chromium:742381, chromium:745844
Change-Id: I93974e3906b2c7710bd525f15037a2dd97f263ad
Reviewed-on: https://chromium-review.googlesource.com/575227
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46759}
14 lines
380 B
JavaScript
14 lines
380 B
JavaScript
// Copyright 2017 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: --expose-gc --throws
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TypeError.prototype.__defineGetter__("name", function() {
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this[1] = {};
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gc();
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new Uint16Array().reduceRight();
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});
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var v = WebAssembly.compile();
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new TypeError().toString();
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