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Maya Lekova 2f820780da Revert "[parser] Fix caching dynamic vars on wrong scope" 
This reverts commit 304e97d334.

Reason for revert: Last roll is failing - https://ci.chromium.org/p/chromium/builders/try/linux-rel/282356

Original change's description:
> [parser] Fix caching dynamic vars on wrong scope
> 
> When looking up a variable in a deserialized WITH scope, we were
> unconditionally passing in the cache scope to the lookup, even if the
> with was inside the cache scope. This would lead to and outer scope of
> the with holding the generated dynamic variable. If the cache scope was
> the SCRIPT scope, the dynamic variable would be interpreted as a global
> object property.
> 
> Now, we only store the WITH scope dynamic variables in the cache scope
> if it is an inner scope of the WITH scope, same as we do for 'normal'
> scope lookups.
> 
> Fixed: chromium:1041210
> Change-Id: I4e8eb25bbb8ea58311355d13a9c7c97bf2fa3ec7
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1997135
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Commit-Queue: Toon Verwaest <verwaest@chromium.org>
> Auto-Submit: Leszek Swirski <leszeks@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#65732}

TBR=leszeks@chromium.org,verwaest@chromium.org

Change-Id: I7b6d77d03b603152a9a47541db466934f46b1176
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2000140
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65747}
2020-01-14 10:59:06 +00:00
build_overrides Use relative paths to OWNERS files 2019-08-12 13:52:52 +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 [heap-profiler] Expose 'globalObjectsAsRoots' via inspector interface 2019-12-18 10:18:58 +00:00
include [coverage] Change time format in recently added protocol messages 2020-01-13 13:02:55 +00:00
infra [test] Bump shards for slow steps 2020-01-02 10:54:44 +00:00
samples [cleanup] Drop some occurrences of Isolate::Current 2019-06-26 19:39:21 +00:00
src Revert "[parser] Fix caching dynamic vars on wrong scope" 2020-01-14 10:59:06 +00:00
test Revert "[parser] Fix caching dynamic vars on wrong scope" 2020-01-14 10:59:06 +00:00
testing Use relative paths to OWNERS files 2019-08-12 13:52:52 +00:00
third_party [DevTools] Roll inspector_protocol (V8) 2020-01-10 06:32:06 +00:00
tools [torque] move more bitfield definitions to Torque 2020-01-10 14:57:01 +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 Add recent code rewrite to .git-blame-ignore-revs 2019-05-23 10:38:45 +00:00
.gitattributes .gitattributes: Mark minified emscripten js files as -diff 2018-09-19 16:27:10 +00:00
.gitignore [git] Ignore jit-*.dump files 2020-01-07 12:14:15 +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 [parser] add support for BigInt literal as property names 2020-01-13 10:51:45 +00:00
BUILD.gn [arm64][builtins] Allow simulator instructions in builtins. 2020-01-13 15:50:55 +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 [OWNERS] Add dinfuehr@ to COMMON_OWNERS 2020-01-10 14:42:32 +00:00
DEPS Update V8 DEPS. 2020-01-14 04:11:46 +00:00
ENG_REVIEW_OWNERS Add eng review owners as escalation path 2019-05-15 19:12:10 +00:00
INFRA_OWNERS Remove myself from owners 2019-12-12 14:22:32 +00:00
INTL_OWNERS Add missing owners files 2019-05-31 07:21:01 +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
LICENSE.valgrind 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 Move architecture dependent files 2019-05-28 14:02:15 +00:00
PRESUBMIT.py Remove and update some outdated TODO(mstarzinger). 2019-12-13 10:18:04 +00:00
README.md [docs] Change links from old wiki to v8.dev 2019-03-07 12:13:30 +00:00
S390_OWNERS Move architecture dependent files 2019-05-28 14:02:15 +00:00
WATCHLISTS Remove 'profiler' category from WATCHLISTS 2019-10-21 08:23:59 +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.