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jkummerow bec49a4876 Revert of Avoid Context::Enter and Context::Exit if we're reentering the active and last entered context (patchset #2 id:20001 of https://codereview.chromium.org/2131483002/ ) 
Reason for revert:
crashes: crbug.com/626719

Original issue's description:
> Avoid Context::Enter and Context::Exit if we're reentering the active and last entered context
>
> A bit of browsing around indicates that the new fast-path is taken most of the time:
>    3496 Entering new
>  152295 Reentering same
>
> BUG=
>
> Committed: https://crrev.com/1829eb661ef1cf432fb551bcb193f521a219d490
> Cr-Commit-Position: refs/heads/master@{#37570}

TBR=jochen@chromium.org,verwaest@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=

Review-Url: https://codereview.chromium.org/2140563002
Cr-Commit-Position: refs/heads/master@{#37632}
2016-07-11 10:23:53 +00:00
benchmarks Revert "Refactoring: Make gtest testsuite the default." 2014-09-02 09:17:26 +00:00
build_overrides [gn] Fix another ia32/x86 typo. 2016-06-17 07:44:41 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
gni Reland of [gn] Switch more linux32 bots to gn (patchset #1 id:1 of https://codereview.chromium.org/2128493002/ ) 2016-07-06 15:17:09 +00:00
gypfiles Broaden the condition under which gold is used as linker. 2016-07-05 10:28:17 +00:00
include Introduce v8::CpuProfiler::New and v8::CpuProfiler::Dispose API. 2016-07-08 15:01:10 +00:00
infra Reland of [gn] Switch gcc bots to gn (patchset #1 id:1 of https://codereview.chromium.org/2130303002/ ) 2016-07-11 07:28:59 +00:00
samples Provide a convenience array buffer allocator 2016-06-29 07:42:40 +00:00
src Revert of Avoid Context::Enter and Context::Exit if we're reentering the active and last entered context (patchset #2 id:20001 of https://codereview.chromium.org/2131483002/ ) 2016-07-11 10:23:53 +00:00
test Correctly format builtin constructors in stack traces 2016-07-11 10:05:03 +00:00
testing Converted V8 CQ config to proto-format 2015-05-28 15:02:53 +00:00
third_party/binutils Update binutils version to match Chromium. 2016-07-08 07:03:29 +00:00
tools [turbolizer] Improve code comments in disassembly 2016-07-11 08:28:22 +00:00
.clang-format [formatting] Remove the formatting requirement for 2 empty lines between declarations. 2016-01-25 09:50:17 +00:00
.gitignore [mb] Add mb config 2016-06-09 09:12:54 +00:00
.gn [gn] Use one source of truth for test source files. 2016-06-28 13:24:08 +00:00
.ycm_extra_conf.py Use C++11 / gnu++11, not 0x 2016-03-22 15:24:43 +00:00
AUTHORS gdb-v8-support.py: Fix old style print statement 2016-07-03 07:11:47 +00:00
BUILD.gn Remove v8- prefix of file name in libsampler. 2016-07-08 06:47:54 +00:00
ChangeLog [Release] Update ChangeLog file 2016-02-17 21:29:09 +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 Use v8-reviews@ for review mail, so v8-dev@ is free for dev discussions 2015-09-09 08:14:11 +00:00
DEPS Update V8 DEPS. 2016-07-09 03:23:54 +00:00
LICENSE Updates to the license information of third party components. 2015-06-16 12:37:50 +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
Makefile [test] Remove presubmit logic from test runner. 2016-06-30 14:30:43 +00:00
Makefile.android [build] Fix d8-for-Android builds 2016-05-20 12:10:45 +00:00
Makefile.nacl [gn] Move build to gypfiles 2016-04-29 10:11:11 +00:00
OWNERS Adding some wasm committers to top level OWNERS. 2016-06-28 16:28:06 +00:00
PRESUBMIT.py Enable check for non-gender neutral pronouns 2016-06-23 07:15:18 +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 Try to reland v8_snapshot GN build changes, take #3 2016-05-20 07:00:09 +00:00
WATCHLISTS Remove myself from v8 WATCHLISTS 2016-07-04 14:45:04 +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.