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Francis McCabe ec570b8a80 Revert "[log][d8] Only use d8.log.getAndStop on temporary log file" 
This reverts commit 21bb43cc6a.

Reason for revert: See broken build: https://ci.chromium.org/p/v8/builders/ci/V8%20Linux64%20-%20builder/49882

Original change's description:
> [log][d8] Only use d8.log.getAndStop on temporary log file
> 
> We run tests in parallel which can cause multiple tests to write to
> the shared v8.log file. This obviously breaks the simple assertions in
> mjsunit/tools/log.js.
> 
> - Use temporary files for log testing with --logfile='+'
> 
> - Change the symbol from '&' to '+' for using temporary files for
>   logging with --logfile
> 
> - Enable skipped log tests again.
> 
> Bug: v8:10937, chromium:1129854, chromium:1130196
> Change-Id: I607dc9a9ecc352e58525cdd21c1c93efebf0f09f
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2421826
> Commit-Queue: Camillo Bruni <cbruni@chromium.org>
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Reviewed-by: Victor Gomes <victorgomes@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#70071}

TBR=cbruni@chromium.org,verwaest@chromium.org,victorgomes@chromium.org

Change-Id: I5de61792c283139b2a898334e28e1f7b2d7c08f8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:10937
Bug: chromium:1129854
Bug: chromium:1130196
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2424625
Reviewed-by: Francis McCabe <fgm@chromium.org>
Commit-Queue: Francis McCabe <fgm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70072}
2020-09-22 18:57:59 +00:00
build_overrides tracing: Enable using Perfetto client library from Chromium 2020-05-11 11:17:57 +00:00
custom_deps Use relative paths to OWNERS files 2019-08-12 13:52:52 +00:00
docs Add OWNERS for docs/ 2019-05-15 12:06:15 +00:00
gni v8: Expand is_linux to is_linux || is_chromeos. 2020-09-14 10:11:24 +00:00
include [Jobs API]: Expose JobDelegate::IsJoiningThread. 2020-09-17 16:49:07 +00:00
infra [test] Run extra variants on MacOS-arm64 2020-09-22 18:13:28 +00:00
samples [api][cleanup] Use Template::Set with const char* name 2020-09-09 15:39:36 +00:00
src Revert "[log][d8] Only use d8.log.getAndStop on temporary log file" 2020-09-22 18:57:59 +00:00
test Revert "[log][d8] Only use d8.log.getAndStop on temporary log file" 2020-09-22 18:57:59 +00:00
testing Roll v8/third_party/googletest/src/ 10b1902d8..e3f0319d8 (43 commits) 2020-04-15 07:23:10 +00:00
third_party [csa][cleanup] Remove ParameterMode/TNodify StoreFixedDoubleArrayElement 2020-08-26 17:14:44 +00:00
tools Revert "[torque] refactor: use -tq only in filenames derived from .tq files" 2020-09-22 17:20:30 +00:00
.clang-format [clang-format] Don't derive pointer alignment 2017-01-17 09:28:19 +00:00
.clang-tidy [tool] Remove unfixed clang-tidy warnings to ease use. 2018-10-26 07:40:32 +00:00
.editorconfig Add .editorconfig 2017-07-28 13:39:24 +00:00
.flake8 Add .flake8 to allow for python style checking. 2019-07-19 21:44:03 +00:00
.git-blame-ignore-revs [infra] Update .git-blame-ignore-revs 2020-03-03 12:59:13 +00:00
.gitattributes .gitattributes: Mark minified emscripten js files as -diff 2018-09-19 16:27:10 +00:00
.gitignore Revert "[presubmit] Add JS formatting for tools/system-analyzer" 2020-07-17 10:33:40 +00:00
.gn [build] Dynamically decide if to use system xcode 2019-07-29 08:20:24 +00:00
.vpython [tools] Implement confidence-based number of runs 2019-05-09 09:42:28 +00:00
.ycm_extra_conf.py Fix ycm config for headers without source 2019-12-09 11:59:21 +00:00
AUTHORS Adding Red Hat to the list of Authorized contributors. 2020-09-16 12:34:39 +00:00
BUILD.gn Revert "[torque] refactor: use -tq only in filenames derived from .tq files" 2020-09-22 17:20:30 +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
codereview.settings Make Gerrit the default code review for V8 2017-06-30 17:37:37 +00:00
COMMON_OWNERS Adding vahl@ to the common owners to be able to handle 2020-08-21 09:04:56 +00:00
DEPS Update V8 DEPS. 2020-09-22 03:52:57 +00:00
ENG_REVIEW_OWNERS Add eng review owners as escalation path 2019-05-15 19:12:10 +00:00
INFRA_OWNERS Add team members as owners 2020-08-18 08:29:04 +00:00
INTL_OWNERS add ftang as owner 2020-04-24 19:19:36 +00:00
LICENSE [wasm] Draft version of C/C++ Wasm API 2019-04-17 16:00:26 +00:00
LICENSE.fdlibm Add LICENSE.fdlibm for all the fdlibm imported sources. 2016-06-09 07:17:03 +00:00
LICENSE.strongtalk Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.v8 Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
MIPS_OWNERS Move architecture dependent files 2019-05-28 14:02:15 +00:00
OWNERS Add syg@chromium.org as DEPS owner for test262 rolls 2019-09-17 19:29:11 +00:00
PPC_OWNERS Adding Red Hat to the list of Authorized contributors. 2020-09-16 12:34:39 +00:00
PRESUBMIT.py [presubmit] Allow use of test functions in runtime-test.cc 2020-08-10 12:12:55 +00:00
README.md [docs] Change links from old wiki to v8.dev 2019-03-07 12:13:30 +00:00
S390_OWNERS Adding Red Hat to the list of Authorized contributors. 2020-09-16 12:34:39 +00:00
WATCHLISTS Stop watching for API changes in WATCHLISTS 2020-04-08 07:06:45 +00:00

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.