PPC: Remove strong mode support from rest argument creation.

PPC: Remove strong mode support from rest argument creation.

Port a94d6d6ede70fc42eed382ec8742af9734a37406

Original commit message:
    The mode requires an extra register, and since we aren't supporting
    it now, we can dispense with it.

R=mvstanton@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=

Committed: https://crrev.com/bdc2746d288d34aceb78f06a0766e11b98834a6e
Cr-Commit-Position: refs/heads/master@{#33118}

[MTBrandyberry, 2016-01-05 15:26:04]

The CQ bit was checked by mbrandy@us.ibm.com to run a CQ dry run

[commit-bot: I haz the power, 2016-01-05 15:26:06]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1559013005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1559013005/1

[michael_dawson, 2016-01-05 15:45:43]

On 2016/01/05 15:26:06, 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/1559013005/1
> View timeline at
>  https://chromium-cq-status.appspot.com/patch-timeline/1559013005/1


lgtm

[commit-bot: I haz the power, 2016-01-05 15:46:06]

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

[commit-bot: I haz the power, 2016-01-05 15:46:07]

Dry run: This issue passed the CQ dry run.

[MTBrandyberry, 2016-01-05 15:53:31]

The CQ bit was checked by mbrandy@us.ibm.com

[commit-bot: I haz the power, 2016-01-05 15:53:35]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1559013005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1559013005/1

[commit-bot: I haz the power, 2016-01-05 15:55:04]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-01-05 15:55:52]

Description was changed from

==========
PPC: Remove strong mode support from rest argument creation.

Port a94d6d6ede70fc42eed382ec8742af9734a37406

Original commit message:
    The mode requires an extra register, and since we aren't supporting
    it now, we can dispense with it.

R=mvstanton@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
BUG=
==========

to

==========
PPC: Remove strong mode support from rest argument creation.

Port a94d6d6ede70fc42eed382ec8742af9734a37406

Original commit message:
    The mode requires an extra register, and since we aren't supporting
    it now, we can dispense with it.

R=mvstanton@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
BUG=

Committed: https://crrev.com/bdc2746d288d34aceb78f06a0766e11b98834a6e
Cr-Commit-Position: refs/heads/master@{#33118}
==========

[commit-bot: I haz the power, 2016-01-05 15:55:53]

Patchset 1 (id:??) landed as
https://crrev.com/bdc2746d288d34aceb78f06a0766e11b98834a6e
Cr-Commit-Position: refs/heads/master@{#33118}