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bmeurer 1b821f2f39 [ic] Unify undetectable abstract equality comparison. 
The treatment of different undetectable objects was inconsistent after
the latest changes to the undetectable bit in the maps. Given two
different undetectable JSObjects a and b, a monomorphic CompareIC would
say false for a == b, while the rest of the system (including the
generic case for the CompareIC) would say true.

The fix is rather straight-forward: We just go generic on a CompareIC
once we see an undetectable JSObject.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/1735863004

Cr-Commit-Position: refs/heads/master@{#34315}
2016-02-26 06:17:21 +00:00
benchmarks Revert "Refactoring: Make gtest testsuite the default." 2014-09-02 09:17:26 +00:00
build [Swarming] Switch off test isolation check by default. 2016-02-25 12:55:41 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
include Introduce MicrotasksCompletedCallback. 2016-02-25 19:49:53 +00:00
infra [cq] Update configuration. 2016-02-12 14:29:27 +00:00
samples Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
src [ic] Unify undetectable abstract equality comparison. 2016-02-26 06:17:21 +00:00
test [ic] Unify undetectable abstract equality comparison. 2016-02-26 06:17:21 +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 Reland "Replace slots buffer with remembered set. (patchset #14 id:250001 of https://codereview.chromium.org/1703823002/ )" 2016-02-25 17:29:22 +00:00
.clang-format [formatting] Remove the formatting requirement for 2 empty lines between declarations. 2016-01-25 09:50:17 +00:00
.gitignore [Swarming] Speed up test262 upload/download. 2016-02-19 14:41:29 +00:00
.ycm_extra_conf.py [ycm] The YouCompleteMe configuration is not VIM specific. 2015-02-12 07:21:13 +00:00
AUTHORS Optimize JSON stringifying when replacer and space are falsey. 2016-02-20 07:55:57 +00:00
BUILD.gn Reland "Replace slots buffer with remembered set. (patchset #14 id:250001 of https://codereview.chromium.org/1703823002/ )" 2016-02-25 17:29:22 +00:00
ChangeLog [Release] Update ChangeLog file 2016-02-17 21:29:09 +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 Revert of Test262 roll, 2016-2-23 (patchset #2 id:20001 of https://codereview.chromium.org/1738033002/ ) 2016-02-26 05:25:51 +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 Add a library suitable for libfuzzer with a small unit test runner shell 2016-01-26 10:39:03 +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 [cq] Automatically use the same bots for git cl try. 2016-01-14 11:15:16 +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 Map arm64 and mips64el -> x64 for mksnapshot 2015-12-16 15:17:37 +00:00
WATCHLISTS [Interpreter] Make InterpreterAssembler a subclass of CodeStubAssembler. 2016-02-10 16:39:32 +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.