PPC: Partial revert of rest parameter desugaring.

PPC: Partial revert of rest parameter desugaring.

Port d3f074b23195a2426d14298dca30c4cf9183f203

Original commit message:
    We'll be able to optimize rest parameters in TurboFan similarly to
    the arguments array. This CL restores the previous behavior, and a
    follow-on will enable TurboFan optimization.

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

Committed: https://crrev.com/fc23b4949850e68a0877e3426c438ce0f710613d
Cr-Commit-Position: refs/heads/master@{#33028}

[MTBrandyberry, 2015-12-23 14:21:59]

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

[mvstanton, 2015-12-23 14:22:07]

lgtm

[commit-bot: I haz the power, 2015-12-23 14:22:07]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1549743003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1549743003/1

[commit-bot: I haz the power, 2015-12-23 14:39:30]

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

[commit-bot: I haz the power, 2015-12-23 14:39:31]

Dry run: This issue passed the CQ dry run.

[MTBrandyberry, 2015-12-23 14:46:45]

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

[commit-bot: I haz the power, 2015-12-23 14:47:09]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1549743003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1549743003/1

[commit-bot: I haz the power, 2015-12-23 14:49:14]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-23 14:50:07]

Description was changed from

==========
PPC: Partial revert of rest parameter desugaring.

Port d3f074b23195a2426d14298dca30c4cf9183f203

Original commit message:
    We'll be able to optimize rest parameters in TurboFan similarly to
    the arguments array. This CL restores the previous behavior, and a
    follow-on will enable TurboFan optimization.

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

to

==========
PPC: Partial revert of rest parameter desugaring.

Port d3f074b23195a2426d14298dca30c4cf9183f203

Original commit message:
    We'll be able to optimize rest parameters in TurboFan similarly to
    the arguments array. This CL restores the previous behavior, and a
    follow-on will enable TurboFan optimization.

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

Committed: https://crrev.com/fc23b4949850e68a0877e3426c438ce0f710613d
Cr-Commit-Position: refs/heads/master@{#33028}
==========

[commit-bot: I haz the power, 2015-12-23 14:50:08]

Patchset 1 (id:??) landed as
https://crrev.com/fc23b4949850e68a0877e3426c438ce0f710613d
Cr-Commit-Position: refs/heads/master@{#33028}