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Z Duong Nguyen-Huu daa62d4f98 Add new frozen, sealed holey elements kind 
This is the follow-up for frozen, sealed packed elements kind.
Design docs: bit.ly/fast-frozen-sealed-elements-in-v8
This change is only support the transition from holey elements to holey sealed elements (via object.seal) or to holey frozen elements (via object.freeze).
Added tests for non-extensible, sealed, frozen holey elements in https://chromium-review.googlesource.com/c/v8/v8/+/1574503 and https://chromium-review.googlesource.com/c/v8/v8/+/1582481

Bug: v8:6831
Change-Id: Ia4373648f79f2ebebb390982a503145844a0c123
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1574777
Commit-Queue: Z Nguyen-Huu <duongn@microsoft.com>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61307}
2019-05-07 19:09:32 +00:00
benchmarks [test] Ensure random generator in JSTests does not use float arithmetic 2018-12-17 10:05:08 +00:00
build_overrides [tracing] Add build config for Perfetto behind a flag 2019-03-28 09:26:52 +00:00
custom_deps
docs [docs] Change links from old wiki to v8.dev 2019-03-07 12:13:30 +00:00
gni [build] Compile compiler with optimizations in fast mksnapshot mode 2019-04-09 13:34:32 +00:00
include [api] Deprecate one {SetFlagsFromString} variant 2019-05-06 14:23:28 +00:00
infra [test] Add more capacity and timeouts for slow builders 2019-05-07 12:45:27 +00:00
samples
src Add new frozen, sealed holey elements kind 2019-05-07 19:09:32 +00:00
test Add new frozen, sealed holey elements kind 2019-05-07 19:09:32 +00:00
testing
third_party [DevTools] Roll inspector_protocol for v8. 2019-05-06 20:25:48 +00:00
tools [test] Add more capacity and timeouts for slow builders 2019-05-07 12:45:27 +00:00
.clang-format
.clang-tidy [tool] Remove unfixed clang-tidy warnings to ease use. 2018-10-26 07:40:32 +00:00
.editorconfig
.git-blame-ignore-revs
.gitattributes
.gitignore Add .ccls-cache to .gitignore 2019-02-26 10:32:45 +00:00
.gn
.vpython [tools] Correctly identify and report test crashes and infra failures 2018-10-30 15:05:40 +00:00
.ycm_extra_conf.py
AUTHORS [arm64][turbofan] FP simplification 2019-05-06 08:25:22 +00:00
BUILD.gn [cleanup] Move WriteBarrierKind to v8::internal::compiler namespace 2019-05-07 16:54:56 +00:00
ChangeLog [release] Merge ChangeLog back to master 2018-12-07 15:41:59 +00:00
CODE_OF_CONDUCT.md
codereview.settings
DEPS Update wasm-spec. 2019-05-07 04:42:16 +00:00
LICENSE [wasm] Draft version of C/C++ Wasm API 2019-04-17 16:00:26 +00:00
LICENSE.fdlibm
LICENSE.strongtalk
LICENSE.v8
LICENSE.valgrind
OWNERS [owners] Add szuend@chromium.org to top level owners 2019-03-18 09:37:52 +00:00
PRESUBMIT.py Revert "[torque] Temporarily disable torque format check to pass presubmit" 2019-02-20 14:07:17 +00:00
README.md [docs] Change links from old wiki to v8.dev 2019-03-07 12:13:30 +00:00
snapshot_toolchain.gni Make win/cross build work better when targeting arm64 on macOS hosts. 2019-03-22 18:30:23 +00:00
WATCHLISTS Update WATCHLIST wrt yangguo 2018-11-23 08:29:12 +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.