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Jakob Kummerow 9d493179d8 [bigint] Fix NoSideEffectsToString for 32-bit platforms 
On 32-bit platforms, String::kMaxLength is such that not all BigInts
can be converted to Strings. NoSideEffectsToString, however, used to
assume that this conversion always succeeds. This patch adds a check
for the failure case, and returns "<a very large BigInt>" instead of
crashing.
This change is practically unobservable, because actually formatting
such a huge BigInt to String would take "forever", which is also why
there is no regression test.

Bug: chromium:876628
Change-Id: I1eacdc1cce753ac5d9ca66e61e479043ab576e07
Reviewed-on: https://chromium-review.googlesource.com/1194004
Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55491}
2018-08-29 13:45:28 +00:00
benchmarks Fix common misspellings 2017-08-02 09:35:28 +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 Disable multi_snapshots by default 2018-06-28 10:02:12 +00:00
include Reland "[heap] Attempt to incorporate backing store counters into heap sizing and GC trigger stragery." 2018-08-28 12:41:53 +00:00
infra [CQ] Add more experimental Chromium trybots to CQ 2018-08-28 10:30:44 +00:00
samples Add a sample that uses the JS API to create wasm 2018-06-07 23:43:38 +00:00
src [bigint] Fix NoSideEffectsToString for 32-bit platforms 2018-08-29 13:45:28 +00:00
test [wasm] Brush up unittests for kExprThrow. 2018-08-29 13:28:26 +00:00
testing Remove dummy files created for rolling googletest. 2018-03-27 05:55:56 +00:00
third_party [array] Replace JS Array.p.reverse with a Torque implementation 2018-08-24 05:57:20 +00:00
tools [Intl] Create a JSDateTimeFormat and move ResolvedOptions under it. 2018-08-29 09:01:31 +00:00
.clang-format [clang-format] Don't derive pointer alignment 2017-01-17 09:28:19 +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 Disable line ending modifications by git in .png files 2018-06-27 15:39:07 +00:00
.gitignore [array] Move Array.p.sort to Torque and use TimSort instead of QuickSort 2018-08-09 08:45:39 +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 MIPS: Fix DCHECK failure in v8::internal::Assembler::seb() 2018-08-06 20:35:08 +00:00
BUILD.gn [Intl] Create a JSDateTimeFormat and move ResolvedOptions under it. 2018-08-29 09:01:31 +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 test262 roll 2018-08-28 21:18:23 +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 Update OWNERS files. 2018-07-17 07:56:16 +00:00
PRESUBMIT.py Add autoroller task account into bot whitelist for author check 2018-06-06 14:40:09 +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 MIPS[64]: Generate snapshots on MIPS big-endian targets 2017-11-24 19:00:32 +00:00
WATCHLISTS Remove v8-x87-ports@ from WATCHLIST 2018-02-26 19:56:21 +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.