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pthier 0621c2d553 [string] Copy when sharing strings that are not in shared space 
Usually sharable strings are automatically promoted to shared old space
and can be shared in-place.
There are currently two exceptions:
- When using a non-moving GC (e.g. minor MC)
- Strings in LO space
Account for these exceptions by copying strings to the respective shared
space when sharing them.

Bug: chromium:1400048
Change-Id: I20713b5f32f449c14febd848e289b5767530a257
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4110752
Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Commit-Queue: Patrick Thier <pthier@chromium.org>
Cr-Commit-Position: refs/heads/main@{#84942}
2022-12-19 16:28:22 +00:00
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bazel [bazel] Add hide symbols from release build 2022-11-22 10:00:46 +00:00
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gni [reland] adds the ability for v8 to use sin/cos from libm 2022-12-02 21:59:04 +00:00
include unified-young-gen: Filter custom weak callbacks 2022-12-16 10:15:12 +00:00
infra Doubling shards for slow tests on V8 Linux(64) - debug 2022-12-08 14:42:17 +00:00
samples [sandbox] Initialize sandbox during V8::Initialize 2022-07-15 09:29:32 +00:00
src [string] Copy when sharing strings that are not in shared space 2022-12-19 16:28:22 +00:00
test [string] Copy when sharing strings that are not in shared space 2022-12-19 16:28:22 +00:00
testing [test] Migrate cctest/test-api-accessors.cc to unittests/ 2022-05-17 08:27:55 +00:00
third_party [reland] adds the ability for v8 to use sin/cos from libm 2022-12-02 21:59:04 +00:00
tools Reland "Use BigInts in processor.mjs and related code to avoid unsafe ints in calculations" 2022-12-19 15:15:48 +00:00
.bazelrc [bazel] Use v8_enable_handle_zapping only in debug builds. 2022-01-11 11:32:39 +00:00
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.ycm_extra_conf.py [ycm] Fix YouCompleteMe config 2022-11-02 15:59:48 +00:00
AUTHORS [fastcall] Support external pointers in fast api calls 2022-12-01 14:19:33 +00:00
BUILD.bazel [turboshaft] Implement %CheckTurboshaftTypeOf intrinsic to test typer 2022-12-16 10:10:58 +00:00
BUILD.gn [turboshaft] Implement %CheckTurboshaftTypeOf intrinsic to test typer 2022-12-16 10:10:58 +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.