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adamk f687c4f4e6 Revert of [es6] Implement destructuring binding in try/catch (patchset #3 id:40001 of https://codereview.chromium.org/1417483014/ ) 
Reason for revert:
MSAN errors on arm64: http://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20arm64%20-%20sim%20-%20MSAN/builds/5123/

Original issue's description:
> [es6] Implement destructuring binding in try/catch
>
> The approach is to desugar
>
>   try { ... }
>   catch ({x, y}) { ... }
>
> into
>
>   try { ... }
>   catch (.catch) {
>     let x = .catch.x;
>     let y = .catch.y;
>     ...
>   }
>
> using the PatternRewriter's normal facilities. This has the side benefit
> of throwing the appropriate variable conflict errors for declarations
> made inside the catch block.
>
> No change is made to non-destructured cases, which will hopefully save
> us some work if https://github.com/tc39/ecma262/issues/150 is adopted
> in the spec.
>
> There's one big problem with this patch, which is a lack of PreParser
> support for the redeclaration errors. But it seems we're already lacking
> good PreParser support for such errors, so I'm not sure that should
> block this moving forward.
>
> BUG=v8:811
> LOG=y
>
> Committed: https://crrev.com/a316db995e6e4253664920652ed4e5a38b2caeba
> Cr-Commit-Position: refs/heads/master@{#31797}

TBR=rossberg@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:811

Review URL: https://codereview.chromium.org/1408063013

Cr-Commit-Position: refs/heads/master@{#31798}
2015-11-04 16:39:59 +00:00
benchmarks Revert "Refactoring: Make gtest testsuite the default." 2014-09-02 09:17:26 +00:00
build [Swarming] Isolate files for windows. 2015-11-04 10:46:37 +00:00
docs [Docs] Make it more clear that a issue on the issue tracker is needed 2015-10-26 09:16:23 +00:00
include Implement flag and source getters on RegExp.prototype. 2015-11-04 12:28:48 +00:00
infra Use committer list from chrome-infra-auth group project-v8-committers 2015-08-27 16:10:22 +00:00
samples Fix crash in shell.cc when reporting exceptions that aren't Errors 2015-10-20 14:33:52 +00:00
src Revert of [es6] Implement destructuring binding in try/catch (patchset #3 id:40001 of https://codereview.chromium.org/1417483014/ ) 2015-11-04 16:39:59 +00:00
test Revert of [es6] Implement destructuring binding in try/catch (patchset #3 id:40001 of https://codereview.chromium.org/1417483014/ ) 2015-11-04 16:39:59 +00:00
testing Converted V8 CQ config to proto-format 2015-05-28 15:02:53 +00:00
third_party/binutils Update binutils version. 2015-08-07 08:09:49 +00:00
tools [runtime] Support Symbols in KeyAccumulator 2015-11-04 14:05:36 +00:00
.clang-format Change clang-format config to allow for two empty lines between functions 2013-12-03 10:39:21 +00:00
.gitignore Use msvs toolchain from depot_tools. 2015-11-02 10:40:28 +00:00
.ycm_extra_conf.py [ycm] The YouCompleteMe configuration is not VIM specific. 2015-02-12 07:21:13 +00:00
AUTHORS Add ARMv8-A to the supporting list of arm platforms 2015-10-30 14:17:20 +00:00
BUILD.gn [runtime] Support Symbols in KeyAccumulator 2015-11-04 14:05:36 +00:00
ChangeLog Update change log to match roll branch. 2015-05-18 15:03:50 +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. 2015-11-04 04:19:58 +00:00
LICENSE Updates to the license information of third party components. 2015-06-16 12:37:50 +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 MIPS64: Add big-endian support for mips64. 2015-09-29 17:23:55 +00:00
Makefile.android Reland [android] Migrate more configs to gyp. 2015-06-26 12:04:09 +00:00
Makefile.nacl Use the pnacl-clang toolchain for (P)NaCL builds 2014-10-06 08:10:50 +00:00
OWNERS Update OWNERS file. 2015-07-16 11:37:51 +00:00
PRESUBMIT.py Remove unused function in presubmit script 2015-09-23 10:52:45 +00:00
README.md [Docs] Add information on how to contribute to the README 2015-09-15 07:53:13 +00:00
snapshot_toolchain.gni Split the GN 'snapshot_toolchain' logic out into an include file. 2015-09-22 02:28:40 +00:00
WATCHLISTS Add an interpreter watchlist 2015-10-23 15:43:37 +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://code.google.com/p/v8/

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.