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Anton Bikineev 603ab6593b Revert "Reland "cppgc: Enable pointer compression by default on Desktop"" 
This reverts commit 111d20bb7c.

Reason for revert:
- crashes
- flaky test failures
- ubsan errors
- Speedometer regression

Original change's description:
> Reland "cppgc: Enable pointer compression by default on Desktop"
>
> Reland since ubsan failures were fixed.
>
> Original change's description:
> > Revert "cppgc: Enable pointer compression by default on Desktop"
> >
> > This reverts commit 4cf08c1ac6.
> >
> > Reason for revert: broke ubsan.
> >
> > Original change's description:
> > > cppgc: Enable pointer compression by default on Desktop
> > >
> > > The CL enables pointer compression in Oilpan.
> > >
> > > For sherrifs: the CL may cause some slight perf regressions (likely
> > > blink_perf.*), due to slightly higher cost of compression and
> > > decomrpession.
> > >
> > > Speedometer2 is not expected to regress, as was checked locally. Such a
> > > slight performance degradation is compensated by memory savings that are
> > > expected to be around 10-20% of Oilpan committed size (~2.5-5% of Renderer
> > > PMF).
> > >
> > > Bug: chromium:1325007
> > > Change-Id: I2e31fc56250dbe6354a7614fa1f9e926260d842b
> > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3695565
> > > Commit-Queue: Anton Bikineev <bikineev@chromium.org>
> > > Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
> > > Cr-Commit-Position: refs/heads/main@{#81442}
> >
> > Bug: chromium:1325007
> > Change-Id: Iabc31ed683841ba0189dee9028da330dc03d7e09
> > No-Presubmit: true
> > No-Tree-Checks: true
> > No-Try: true
> > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3735168
> > Auto-Submit: Anton Bikineev <bikineev@chromium.org>
> > Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
> > Commit-Queue: Anton Bikineev <bikineev@chromium.org>
> > Cr-Commit-Position: refs/heads/main@{#81443}
>
> Bug: chromium:1325007
> Change-Id: Ifc8ea0e73e99d9be622e27d3d4c79d0e35fd459c
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3735128
> Commit-Queue: Anton Bikineev <bikineev@chromium.org>
> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
> Cr-Commit-Position: refs/heads/main@{#81486}

Bug: chromium:1325007
Change-Id: I35d9085b9c39fd212002f098a3a015d0db7504a0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3743468
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Anton Bikineev <bikineev@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81516}
2022-07-05 04:46:30 +00:00
.github
bazel [heap] Remove all leftover uses of v8_enable_atomic_marking_state 2022-06-07 10:30:57 +00:00
build_overrides
custom_deps
docs
gni heap: Implement IPR using the marking bitmap 2022-06-27 18:29:16 +00:00
include Revert "[fastcall] Support EnforceRange annotation" 2022-07-05 04:43:23 +00:00
infra [infra] Add separate gcc bots for focal image 2022-06-28 13:42:26 +00:00
samples [flags] Fix initialization order in sample shell 2022-06-15 11:43:22 +00:00
src [tools][wasm] Add "wami", the Wasm Module Inspector 2022-07-05 04:45:28 +00:00
test Revert "[fastcall] Support EnforceRange annotation" 2022-07-05 04:43:23 +00:00
testing
third_party Roll inspector_protocol to 134539780e606a77d660d58bf95b5ab55875bc3c 2022-05-30 08:53:28 +00:00
tools [tools][wasm] Add "wami", the Wasm Module Inspector 2022-07-05 04:45:28 +00:00
.bazelrc
.clang-format
.clang-tidy
.editorconfig
.flake8
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.vpython
.vpython3 [python3] Add missing python3 dependency 2022-06-07 14:55:36 +00:00
.ycm_extra_conf.py
AUTHORS [wasm][c-api] Add handle scope to fix wasm_module_validate 2022-06-09 16:46:23 +00:00
BUILD.bazel [wasm][refactor] Move ModuleDecoderImpl to -impl.h 2022-07-01 11:43:09 +00:00
BUILD.gn Revert "Reland "cppgc: Enable pointer compression by default on Desktop"" 2022-07-05 04:46:30 +00:00
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DEPS Update V8 DEPS (trusted-versions) 2022-07-05 04:44:26 +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.