1e2b9c5ec9
Using kAssumeMemoryFence works around the fact that the graph stores handles (and not refs). The assumption is that any handle inserted into the graph is safe to read; but we don't preserve the reason why it is safe to read. Thus we must over-approximate here and assume the existence of a memory fence. Note this is only valid if all spots that insert handles into the graph ensure that the handle can safely be read. In the future, we should consider having the graph store ObjectRefs or ObjectData pointer instead, which would make new ref construction here unnecessary. Bug: v8:7790,chromium:1209798 Change-Id: Ic22340ea9f34a24be530a3c62c8309d25e108f3f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2902742 Reviewed-by: Georg Neis <neis@chromium.org> Commit-Queue: Jakob Gruber <jgruber@chromium.org> Cr-Commit-Position: refs/heads/master@{#74653} |
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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.