PPC: Remove new.target value from construct stub frames.

PPC: Remove new.target value from construct stub frames.

Port eaa0e59611f437568a81d76b4d7d446b0d4786a6

Original commit message:
    This drops the specific slot containing the new.target value from our
    construct stub frames. This side-channel has been deprecated and will
    no longer be accessed by any consumers.

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

Committed: https://crrev.com/65421613021e97b24b3aeca0ca32719e983fbdb8
Cr-Commit-Position: refs/heads/master@{#32584}

[MTBrandyberry, 2015-12-03 16:02:07]

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

[commit-bot: I haz the power, 2015-12-03 16:02:39]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1494593005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1494593005/1

[Michael Starzinger, 2015-12-03 16:10:01]

LGTM. Thanks!

[commit-bot: I haz the power, 2015-12-03 16:46:55]

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

[commit-bot: I haz the power, 2015-12-03 16:46:55]

Dry run: This issue passed the CQ dry run.

[MTBrandyberry, 2015-12-03 18:17:39]

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

[commit-bot: I haz the power, 2015-12-03 18:17:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1494593005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1494593005/1

[MTBrandyberry, 2015-12-03 18:46:00]

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

[MTBrandyberry, 2015-12-03 18:47:53]

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

[commit-bot: I haz the power, 2015-12-03 18:48:01]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1494593005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1494593005/1

[john.yan, 2015-12-03 18:48:28]

lgtm

[commit-bot: I haz the power, 2015-12-03 19:36:51]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-03 19:37:32]

Description was changed from

==========
PPC: Remove new.target value from construct stub frames.

Port eaa0e59611f437568a81d76b4d7d446b0d4786a6

Original commit message:
    This drops the specific slot containing the new.target value from our
    construct stub frames. This side-channel has been deprecated and will
    no longer be accessed by any consumers.

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

to

==========
PPC: Remove new.target value from construct stub frames.

Port eaa0e59611f437568a81d76b4d7d446b0d4786a6

Original commit message:
    This drops the specific slot containing the new.target value from our
    construct stub frames. This side-channel has been deprecated and will
    no longer be accessed by any consumers.

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

Committed: https://crrev.com/65421613021e97b24b3aeca0ca32719e983fbdb8
Cr-Commit-Position: refs/heads/master@{#32584}
==========

[commit-bot: I haz the power, 2015-12-03 19:37:32]

Patchset 1 (id:??) landed as
https://crrev.com/65421613021e97b24b3aeca0ca32719e983fbdb8
Cr-Commit-Position: refs/heads/master@{#32584}