Reland "Limit the number of transitions allowed per hidden class."

BUG=chromium:427813
LOG=N
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/676393002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25082 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Introduce phantom weak handles in the API and use them internally for debug info

R=ulan@chromium.org, jochen@chromium.org
BUG=

Review URL: https://codereview.chromium.org/687003005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25083 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Make visualizer robust to graphs with NULL inputs.

R=mstarzinger@chromium.org, jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/652263002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25084 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix build because of dead fields.

TBR=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/699673002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25085 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix a few nits found by PVS Studio

BUG=v8:3192
LOG=n
R=dslomov@chromium.org

Review URL: https://codereview.chromium.org/185563004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25086 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Classes: static should still be treated as a strict reserved word

When --harmony-classes is enabled we did not treat static as a
strict reserved word.

BUG=v8:3642
LOG=Y
R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/652743009

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25087 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Remove FAIL from test262-es6.status

TBR=rossberg
BUG=v8:3642
LOG=Y

Review URL: https://codereview.chromium.org/698073003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25088 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
[turbofan] Strip useless sign-extension for store8/store16.

TEST=unittests
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/698963002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25091 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
[turbofan] Also print the non-value inputs in schedule.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/702643002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25092 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Adds dependency on sanitizer

The santizer target is empty if no sanitizers are defined, otherwise
it contains the necessary targets. Because of this we can always
depend on it. Without this dep asan builds fail.

R=brettw@chromium.org, danno@chromium.org

Review URL: https://codereview.chromium.org/697763002

Patch from Scott Violet <sky@chromium.org>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25094 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Whitespace CL to trigger bots.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25096 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
[turbofan] add RegisterConfiguration to decouple arch specific register layouts from compiler

R=bmeurer@chromium.org

BUG=

Review URL: https://codereview.chromium.org/694313002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25097 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Actually also advance the iterator in StorePropertyWithInterceptor

BUG=v8:3636
LOG=n
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/702523002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25098 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
TransitionArray::Search() now returns insertion index if the entry was not found.

This is a prerequisite for https://codereview.chromium.org/661133002/.

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/698043003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25099 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Add debug mirror support for ES6 Map/Set iterators.

This is to show values preview of an iterator in DevTools console.

API=v8::Value::IsMapIterator, v8::Value::IsSetIterator
BUG=chromium:427868
R=arv@chromium.org, yangguo@chromium.org, adamk@chromium.org
LOG=Y

Review URL: https://codereview.chromium.org/693813002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25100 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Follow up to fix v8::Exception::GetMessage() actually do what it was intended to.

The main thing for v8::Exception::GetMessage() is to extract message location from
error stack trace, even when stack trace capturing is off (when DevTools is closed).

BUG=chromium:427954
R=yangguo@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/696703002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25101 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Optimize function across closures.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/699633002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25102 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
[turbofan] Fix recognition of Uint32Div in simplified lowering.

TEST=mjsunit/asm
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/701813003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25103 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Revert "Optimize function across closures."

This reverts r25102.

TBR=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/699143002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25104 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Disable long running gc-stress tests on arm64 for TF.

BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/701723004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25105 ce2b1a6d-e550-0410-aec6-3dcde31c8c00