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Marja Hölttä a17f244607 [parser] Skipping inner funcs: Distinguish between skippable and non-skippable functions. 
We collect function data for 2 purposes:
- Variable allocation data for lazy parsed functions which contain skippable functions.
- Data needed for creating FunctionLiterals for skippable functions.

In some cases, recompilation happens, and we need to make sure we're not trying
to skip a non-skippable function.

At the moment, we don't collect data for eagerly parsed scopes, since the
assumption is that they'll never get recompiled. (Fixing that will bigger design
changes.)

After this, we're down to 2 failures for mjsunit + --experimental-preparser-scope-analysis.


BUG=v8:5516

Change-Id: I704d488269f6d20a4b14596f2a0acc342ede32cb
Reviewed-on: https://chromium-review.googlesource.com/486802
Commit-Queue: Marja Hölttä <marja@chromium.org>
Reviewed-by: Daniel Vogelheim <vogelheim@chromium.org>
Cr-Commit-Position: refs/heads/master@{#44848}
2017-04-25 12:16:13 +00:00
benchmarks Revert "Refactoring: Make gtest testsuite the default." 2014-09-02 09:17:26 +00:00
build_overrides Remove build_overrides/v8.gni. 2017-01-26 20:18:58 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
gni [build] Remove remaining disable-inspector options in GN 2017-04-05 17:59:07 +00:00
gypfiles [intl] Reorganize code 2017-04-24 13:54:15 +00:00
include Add setter to Isolate for allowing Atomics.wait 2017-04-24 19:08:22 +00:00
infra [cq] Get codereview coverage bot's experiment percentage back to 100 2017-04-11 15:04:39 +00:00
samples Reland of land "Turn libbase into a component" (patchset #1 id:1 of https://codereview.chromium.org/2396933002/ ) 2016-10-07 07:56:52 +00:00
src [parser] Skipping inner funcs: Distinguish between skippable and non-skippable functions. 2017-04-25 12:16:13 +00:00
test [inspector] always include user scripts in the snapshot. 2017-04-25 12:08:19 +00:00
testing Use GTEST_LANG_CXX11 in V8 2016-07-25 13:06:42 +00:00
third_party Adapt String::find method via StringUtil adapter. 2017-02-03 22:17:24 +00:00
tools [Ic-Processor] Let us know if an IC is in opt. or unopt. code. 2017-04-25 12:01:18 +00:00
.clang-format [clang-format] Don't derive pointer alignment 2017-01-17 09:28:19 +00:00
.gitignore Revert "Reland "ARM64: Add NEON support"" 2017-04-15 10:27:17 +00:00
.gn [build] Add v8gen support for PPC/s390 architecture 2017-03-13 15:05:51 +00:00
.ycm_extra_conf.py Use C++11 / gnu++11, not 0x 2016-03-22 15:24:43 +00:00
AUTHORS Migrate Number constants and undefined to C++ 2017-02-27 08:20:45 +00:00
BUILD.gn [wasm] Move wasm-macro-gen.h to test/common/wasm 2017-04-25 11:59:48 +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. 2017-04-25 03:23:57 +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 Introduce mkgrokdump to update tools/v8heapconst.py. 2017-04-20 06:15:02 +00:00
Makefile.android [build] Fix d8-for-Android builds 2016-05-20 12:10:45 +00:00
OWNERS Update to OWNER files. 2017-03-21 10:01:16 +00:00
PRESUBMIT.py [test] Enforce tracker prefix for all BUG entries 2017-03-14 16:16:22 +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 Use clang for snapshot_toolchain by default, except on ChromeOS. 2016-08-23 14:04:27 +00:00
WATCHLISTS Add jbroman to WATCHLISTS for src/value-serializer.*. 2017-03-28 12:51:29 +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.