Version 5.1.281.68 (cherry-pick)

Version 5.1.281.68 (cherry-pick)

Merged 9fa206e1f4a36280672a4fb144cd7f78484b3c11
Merged 3e0be8d7fca5b28bcb18ae413be6392325d0b54c

[runtime] Ensure that all elements kind transitions are chained to the root map.

[runtime] Don't use ElementsTransitionAndStoreStub for transitions that involve instance rewriting.

BUG=chromium:617524, v8:5009, v8:5009
LOG=N
R=verwaest@chromium.org

Committed: https://chromium.googlesource.com/v8/v8/+/4bee1881649035014e9f45922eef7a9e76d72475

[Toon Verwaest, 2016-06-22 09:25:14]

lgtm

[Igor Sheludko, 2016-06-22 09:30:38]

Description was changed from

==========
Version 5.1.281.68 (cherry-pick)

Merged 9fa206e1f4a36280672a4fb144cd7f78484b3c11
Merged 3e0be8d7fca5b28bcb18ae413be6392325d0b54c

[runtime] Ensure that all elements kind transitions are chained to the root map.

[runtime] Don't use ElementsTransitionAndStoreStub for transitions that involve
instance rewriting.

BUG=chromium:617524,v8:5009,v8:5009
LOG=N
R=verwaest@chromium.org
==========

to

==========
Version 5.1.281.68 (cherry-pick)

Merged 9fa206e1f4a36280672a4fb144cd7f78484b3c11
Merged 3e0be8d7fca5b28bcb18ae413be6392325d0b54c

[runtime] Ensure that all elements kind transitions are chained to the root map.

[runtime] Don't use ElementsTransitionAndStoreStub for transitions that involve
instance rewriting.

BUG=chromium:617524,v8:5009,v8:5009
LOG=N
R=verwaest@chromium.org

Committed:
https://chromium.googlesource.com/v8/v8/+/4bee1881649035014e9f45922eef7a9e76d...
==========

[Igor Sheludko, 2016-06-22 09:30:40]

Committed patchset #1 (id:1) manually as
4bee1881649035014e9f45922eef7a9e76d72475.