07011cc4f0
This replaces Runtime_RunMicrotasks with Runtime_PerformMicrotaskCheckpoint.
RunMicrotasks forcibly runs Microtasks even when the microtasks are suppressed,
and may causes nested Microtasks in a problematic way. E.g. that confuses
v8::MicrotasksScope::IsRunningMicrotasks() and GetEnteredOrMicrotaskContext().
OTOH, PerformMicrotaskCheckpoint() doesn't run cause the failure as it
respects the microtask suppressions.
As all existing tests don't call RunMicrotasks() in the suppressed situation
(like Promise.resolve().then(()=>{%RunMicrotasks();})), this change should
not affect to these tests.
Change-Id: Ib043a0cc8e482e022d375084d65ea98a6f54ef3d
Reviewed-on: https://chromium-review.googlesource.com/c/1360095
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Taiju Tsuiki <tzik@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58068}
44 lines
1000 B
JavaScript
44 lines
1000 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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new BenchmarkSuite('Native', [1000], [
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new Benchmark('Basic', false, false, 0, Basic, Setup),
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]);
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var a,b,c,d,e,f,g,h,i,j,x;
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function Setup() {
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x = Promise.resolve();
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j = async function j() { return x; };
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i = async function i() {
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await j();
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await j();
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await j();
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await j();
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await j();
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await j();
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await j();
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await j();
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await j();
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return j();
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};
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h = async function h() { return i(); };
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g = async function g() { return h(); };
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f = async function f() { return g(); };
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e = async function e() { return f(); };
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d = async function d() { return e(); };
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c = async function c() { return d(); };
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b = async function b() { return c(); };
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a = async function a() { return b(); };
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%PerformMicrotaskCheckpoint();
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}
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function Basic() {
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a();
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%PerformMicrotaskCheckpoint();
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}
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