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Peter Marshall 3767ab39e1 Reland "[cpu-profiler] Fix a bug which caused a pure virtual function call" 
This is a reland of c92a1dda41

Original change's description:
> [cpu-profiler] Fix a bug which caused a pure virtual function call
>
> We need to remove each Sampler from the SamplerManager before we call
> the Sampler destructor. This is because the signal handler can interrupt
> the destructor, and call DoSampler(), which calls sampler->SampleStack()
> on the sampler being destructed, causing general unhappiness and
> "Pure virtual function called!" crashes.
>
> Bug: v8:8346, v8:5193
> Change-Id: Iaa595a196eab33fb1af31584e9a68fd1ce0a18f6
> Reviewed-on: https://chromium-review.googlesource.com/c/1293949
> Commit-Queue: Peter Marshall <petermarshall@chromium.org>
> Reviewed-by: Alexei Filippov <alph@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#56882}

TBR=yangguo@chromium.org

Bug: v8:8346, v8:5193
Change-Id: I9878f65c868ff1aed6f3a587cba688c4241bad8c
Reviewed-on: https://chromium-review.googlesource.com/c/1298893
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Commit-Queue: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56976}
2018-10-25 09:58:21 +00:00
benchmarks Reland: [builtins] Implement Array.prototype.slice in Torque 2018-10-19 21:27:19 +00:00
build_overrides [ndk] Change android ndk root for v8 2018-01-11 08:10:33 +00:00
custom_deps [build] Add common directory for custom deps 2018-06-08 19:23:02 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
gni [build] disable asan on Windows for Torque 2018-10-10 11:47:40 +00:00
include [tools] Move path-specific try-builders to the CQ config 2018-10-24 13:52:21 +00:00
infra [tools] Move path-specific try-builders to the CQ config 2018-10-24 13:52:21 +00:00
samples Add a sample that uses the JS API to create wasm 2018-06-07 23:43:38 +00:00
src Reland "[cpu-profiler] Fix a bug which caused a pure virtual function call" 2018-10-25 09:58:21 +00:00
test [ptr-compr] Make IsolateData be the bottleneck for root-relative accesses 2018-10-25 08:46:58 +00:00
testing Remove dummy files created for rolling googletest. 2018-03-27 05:55:56 +00:00
third_party Update V8 DEPS. 2018-10-25 07:28:05 +00:00
tools [turbofan] Brokerize some more in JSCallReducer. 2018-10-24 18:24:01 +00:00
.clang-format [clang-format] Don't derive pointer alignment 2017-01-17 09:28:19 +00:00
.clang-tidy Add a tool/script to run clang-tidy over V8. 2018-09-11 12:01:09 +00:00
.editorconfig Add .editorconfig 2017-07-28 13:39:24 +00:00
.git-blame-ignore-revs [build] Add DEPS formatting to hyper-blame 2017-10-09 14:08:45 +00:00
.gitattributes .gitattributes: Mark minified emscripten js files as -diff 2018-09-19 16:27:10 +00:00
.gitignore Ignore .torquelint-cache 2018-10-24 10:24:11 +00:00
.gn [test] Remove obsolete test262 archive extract 2018-03-28 13:52:15 +00:00
.vpython [tools] Add VPython config for callstats.py 2018-08-14 10:15:46 +00:00
.ycm_extra_conf.py [ycm] Switch from gnu++11 to gnu++14 2017-11-27 07:48:21 +00:00
AUTHORS Reland "Add Windows ARM64 ABI support to V8" 2018-10-24 19:46:36 +00:00
BUILD.gn [ptr-compr] Make IsolateData be the bottleneck for root-relative accesses 2018-10-25 08:46:58 +00:00
ChangeLog [tools] Merge ChangeLog from latest release 2017-12-19 12:30:56 +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
DEPS Use CIPD to checkout luci-go binaries 2018-10-25 09:25:34 +00:00
LICENSE Add antlr4 runtime library to support Torque 2018-04-10 10:01:01 +00:00
LICENSE.fdlibm Add LICENSE.fdlibm for all the fdlibm imported sources. 2016-06-09 07:17:03 +00:00
LICENSE.strongtalk Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.v8 Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.valgrind Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
OWNERS Reduce wasm OWNERS to current team members 2018-10-15 14:47:49 +00:00
PRESUBMIT.py [tools] Move path-specific try-builders to the CQ config 2018-10-24 13:52:21 +00:00
README.md [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
snapshot_toolchain.gni Reland "Add Windows ARM64 ABI support to V8" 2018-10-24 19:46:36 +00:00
WATCHLISTS Add myself to the watch list. 2018-10-22 16:20:40 +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://github.com/v8/v8/wiki

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 on the V8 wiki.