1769f892ce
The tail call implementation is hidden behind the --harmony-tailcalls flag, which is off-by-default (and has been unstaged since February). It is known to be broken in a variety of cases, including clusterfuzz security issues (see sample Chromium issues below). To avoid letting the implementation bitrot further on trunk, this patch removes it. Bug: v8:4698, chromium:636914, chromium:724746 Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng;master.tryserver.v8:v8_linux_noi18n_rel_ng Change-Id: I9cb547101456a582374fdf7b1a3f044a9ef33e5c Reviewed-on: https://chromium-review.googlesource.com/569069 Commit-Queue: Adam Klein <adamk@chromium.org> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Reviewed-by: Igor Sheludko <ishell@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Cr-Commit-Position: refs/heads/master@{#46651}
25 lines
750 B
JavaScript
25 lines
750 B
JavaScript
// Copyright 2016 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-fullcodegen
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// The {f} function is compiled using TurboFan.
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// 1) The call to {Reflect.set} has no arguments adaptation.
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// 2) The call to {Reflect.set} is in tail position.
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function f(a, b, c) {
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"use strict";
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return Reflect.set({});
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}
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// The {g} function is compiled using Ignition.
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// 1) The call to {f} requires arguments adaptation.
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// 2) The call to {f} is not in tail position.
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function g() {
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return f() + "-no-tail";
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}
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assertEquals("true-no-tail", g());
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%OptimizeFunctionOnNextCall(f);
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assertEquals("true-no-tail", g());
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