Emit write barrier for old space constants.

Emit write barrier for old space constants.

Tenured objects allocated on black pages require write barriers.
BUG=chromium:594958
LOG=n

Committed: https://crrev.com/ddb9707db95a98a63db223c6c3c4e860cb30e250
Cr-Commit-Position: refs/heads/master@{#34818}

[Hannes Payer (out of office), 2016-03-16 11:29:50]

Description was changed from

==========
Emit write barrier for old space constants.

BUG=chromium:594958
LOG=n
==========

to

==========
Emit write barrier for old space constants.

BUG=chromium:594958
LOG=n
==========

[Hannes Payer (out of office), 2016-03-16 11:29:50]

hpayer@chromium.org changed reviewers:
+ mstarzinger@chromium.org

[Hannes Payer (out of office), 2016-03-16 11:51:25]

Description was changed from

==========
Emit write barrier for old space constants.

BUG=chromium:594958
LOG=n
==========

to

==========
Emit write barrier for old space constants.

Tenured objects allocated on black pages require write barriers.
BUG=chromium:594958
LOG=n
==========

[Michael Lippautz, 2016-03-16 12:00:45]

mlippautz@chromium.org changed reviewers:
+ mlippautz@chromium.org

[Michael Lippautz, 2016-03-16 12:00:45]

lgtm -- maybe add to the description that constant types do not imply that
objects are allocated on an immortal immovable pages.

[Hannes Payer (out of office), 2016-03-16 12:08:33]

StoringValueNeedsWriteBarrier takes care of immortal immovables.

[Hannes Payer (out of office), 2016-03-16 14:31:48]

hpayer@chromium.org changed reviewers:
- mstarzinger@chromium.org

[Jakob Kummerow, 2016-03-16 14:37:04]

jkummerow@chromium.org changed reviewers:
+ jkummerow@chromium.org

[Jakob Kummerow, 2016-03-16 14:37:04]

lgtm

[Hannes Payer (out of office), 2016-03-16 14:37:33]

The CQ bit was checked by hpayer@chromium.org

[commit-bot: I haz the power, 2016-03-16 14:37:41]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1811473002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1811473002/1

[commit-bot: I haz the power, 2016-03-16 14:39:42]

Description was changed from

==========
Emit write barrier for old space constants.

Tenured objects allocated on black pages require write barriers.
BUG=chromium:594958
LOG=n
==========

to

==========
Emit write barrier for old space constants.

Tenured objects allocated on black pages require write barriers.
BUG=chromium:594958
LOG=n
==========

[commit-bot: I haz the power, 2016-03-16 14:39:42]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-16 14:41:17]

Description was changed from

==========
Emit write barrier for old space constants.

Tenured objects allocated on black pages require write barriers.
BUG=chromium:594958
LOG=n
==========

to

==========
Emit write barrier for old space constants.

Tenured objects allocated on black pages require write barriers.
BUG=chromium:594958
LOG=n

Committed: https://crrev.com/ddb9707db95a98a63db223c6c3c4e860cb30e250
Cr-Commit-Position: refs/heads/master@{#34818}
==========

[commit-bot: I haz the power, 2016-03-16 14:41:18]

Patchset 1 (id:??) landed as
https://crrev.com/ddb9707db95a98a63db223c6c3c4e860cb30e250
Cr-Commit-Position: refs/heads/master@{#34818}