S390: Introduce a code stub version of Array.prototype.push

S390: Introduce a code stub version of Array.prototype.push

Port 1134688cedecfdc35808d48fbdfeda49450cb618

Original commit message:
    This roughly doubles performance for generic Array.prototype.push.

R=verwaest@chromium.org, joransiu@ca.ibm.com, mbrandy@us.ibm.com, michael_dawson@ca.ibm.com
BUG=

Committed: https://crrev.com/2012e5643be3caff88d989ae9c19af292b37a7f5
Cr-Commit-Position: refs/heads/master@{#35030}

[john.yan, 2016-03-23 13:18:07]

PTAL

[john.yan, 2016-03-23 13:18:11]

The CQ bit was checked by jyan@ca.ibm.com to run a CQ dry run

[commit-bot: I haz the power, 2016-03-23 13:18:17]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1826533004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1826533004/1

[JoranSiu, 2016-03-23 13:19:37]

On 2016/03/23 13:18:17, commit-bot: I haz the power wrote:
> Dry run: CQ is trying da patch. Follow status at
>  https://chromium-cq-status.appspot.com/patch-status/1826533004/1
> View timeline at
>  https://chromium-cq-status.appspot.com/patch-timeline/1826533004/1

lgtm

[commit-bot: I haz the power, 2016-03-23 13:41:26]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-03-23 13:41:27]

Dry run: This issue passed the CQ dry run.

[john.yan, 2016-03-23 13:52:08]

The CQ bit was checked by jyan@ca.ibm.com

[commit-bot: I haz the power, 2016-03-23 13:52:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1826533004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1826533004/1

[commit-bot: I haz the power, 2016-03-23 13:54:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-23 13:55:51]

Description was changed from

==========
S390: Introduce a code stub version of Array.prototype.push

Port 1134688cedecfdc35808d48fbdfeda49450cb618

Original commit message:
    This roughly doubles performance for generic Array.prototype.push.

R=verwaest@chromium.org, joransiu@ca.ibm.com, mbrandy@us.ibm.com,
michael_dawson@ca.ibm.com
BUG=
==========

to

==========
S390: Introduce a code stub version of Array.prototype.push

Port 1134688cedecfdc35808d48fbdfeda49450cb618

Original commit message:
    This roughly doubles performance for generic Array.prototype.push.

R=verwaest@chromium.org, joransiu@ca.ibm.com, mbrandy@us.ibm.com,
michael_dawson@ca.ibm.com
BUG=

Committed: https://crrev.com/2012e5643be3caff88d989ae9c19af292b37a7f5
Cr-Commit-Position: refs/heads/master@{#35030}
==========

[commit-bot: I haz the power, 2016-03-23 13:55:53]

Patchset 1 (id:??) landed as
https://crrev.com/2012e5643be3caff88d989ae9c19af292b37a7f5
Cr-Commit-Position: refs/heads/master@{#35030}