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Ross McIlroy d7d971924a [Compile] Replace resetting of feedback vector with CHECK_EQ. 
Previous differences in eager and lazy parsing meant that it was possible
that feedback vectors could be different for the same function depending on
how it was compiled. These issues have now been fixed, so remove the workaround
and add an explicit CHECK that the feedback vectors are the same.

BUG=chromium:984344,v8:9511

Change-Id: I0edfa350b1a2f236db1ee2f86bc46690da926af1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1741650
Auto-Submit: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63116}
2019-08-07 12:16:28 +00:00
benchmarks Add missing owners files 2019-05-31 07:21:01 +00:00
build_overrides [build] Dynamically decide if to use system xcode 2019-07-29 08:20:24 +00:00
custom_deps Clean up infra owners 2019-05-15 11:18:43 +00:00
docs Add OWNERS for docs/ 2019-05-15 12:06:15 +00:00
gni Reland "Add postmortem debugging helper library" 2019-07-31 14:30:19 +00:00
include [tracing] Fix TracingCpuProfiler test for Perfetto 2019-08-05 15:54:07 +00:00
infra Bump shards on slow CQ builder 2019-08-06 11:59:00 +00:00
samples [cleanup] Drop some occurrences of Isolate::Current 2019-06-26 19:39:21 +00:00
src [Compile] Replace resetting of feedback vector with CHECK_EQ. 2019-08-07 12:16:28 +00:00
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.ycm_extra_conf.py [ycm] Switch from gnu++11 to gnu++14 2017-11-27 07:48:21 +00:00
AUTHORS random number generator seeding update for macOS 2019-07-26 11:55:01 +00:00
BUILD.gn Revert ""Reland x4 [arraybuffer] Rearchitect backing store ownership"" 2019-08-05 15:33:47 +00:00
ChangeLog [release] Merge ChangeLog back to master 2018-12-07 15:41:59 +00:00
CODE_OF_CONDUCT.md Explicitly state that the Chromium Code of Conduct also applies to V8 2016-03-02 09:51:24 +00:00
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COMMON_OWNERS [OWNERS] Add solanes@ to COMMON_OWNERS 2019-05-22 13:50:51 +00:00
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README.md

V8 JavaScript Engine

V8 is Google's open source JavaScript engine.

V8 implements ECMAScript as specified in ECMA-262.

V8 is written in C++ and is used in Google Chrome, the open source browser from Google.

V8 can run standalone, or can be embedded into any C++ application.

V8 Project page: https://v8.dev/docs

Getting the Code

Checkout depot tools, and run

    fetch v8

This will checkout V8 into the directory v8 and fetch all of its dependencies. To stay up to date, run

    git pull origin
    gclient sync

For fetching all branches, add the following into your remote configuration in .git/config:

    fetch = +refs/branch-heads/*:refs/remotes/branch-heads/*
    fetch = +refs/tags/*:refs/tags/*

Contributing

Please follow the instructions mentioned at v8.dev/docs/contribute.