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Mythri A 96c41c312c Check ClosureFeedbackCellArray length is as expected 
When bytecode gets flushed from SFI and we generate the bytecode again,
we expect that the generated bytecode is exactly the same as the earlier
bytecode. We reuse the same closure feedback cell array allocated
earlier and hence it is required that number of closure feedback slots
remain the same. This cl just adds a CHECK for that, so we fail when
this is not the case.

Bug: chromium:1147917
Change-Id: I4b09ce3f741bc15c3b141b1fe057a667496c925d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2613037
Commit-Queue: Mythri Alle <mythria@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Auto-Submit: Mythri Alle <mythria@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#71954}
2021-01-07 17:08:14 +00:00
build_overrides tracing: Enable using Perfetto client library from Chromium 2020-05-11 11:17:57 +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 cppgc: Fix cppgc build 2020-11-24 09:35:50 +00:00
include [inspector] Synchronize the various subtype enums. 2021-01-07 15:12:44 +00:00
infra Add official builder for mac-arm64 release and debug 2020-12-16 13:02:24 +00:00
samples [api] Use shorter 8::Local::As<*> casts in more places 2020-11-28 11:04:26 +00:00
src Check ClosureFeedbackCellArray length is as expected 2021-01-07 17:08:14 +00:00
test [test] Disable cctest/test-loop-analysis/LaEdgeMatrix2_0 on ODROID 2021-01-07 15:43:54 +00:00
testing build: Remove no-op calls to set_sources_assignment_filter 2020-10-08 14:44:01 +00:00
third_party Roll inspector_protocol to 94298cef795ec994106bdaff002c41182911b767 2020-12-09 11:17:27 +00:00
tools [tools] System-analyzer select code related events 2021-01-07 13:41:23 +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
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.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 Remove duplicate AUTHORS entry 2020-12-08 13:49:34 +00:00
BUILD.gn Step 1 (of 3-ish): Basic ETW Instrumentation in V8 2021-01-05 20:11:03 +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 Adding vahl@ to the common owners to be able to handle 2020-08-21 09:04:56 +00:00
DEPS Revert "Update V8 DEPS." 2021-01-07 09:24:56 +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.