PPC: [runtime] Turn ArgumentAccessStub into FastNewSloppyArgumentsStub.

PPC: [runtime] Turn ArgumentAccessStub into FastNewSloppyArgumentsStub.

Port e0129d0f87677722a2cef055e372ab1e805cacf1

Original commit message:
    Turn the fast case of ArgumentsAccessStub into a new stub
    FastNewSloppyArgumentsStub, which is similar to the existing
    FastNewStrictArgumentsStub, although not polished yet, and the slow
    case always went to the runtime anyway, so we can just directly emit
    a runtime call there.

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

Committed: https://crrev.com/ea08453c7f43aee423a18f27665394c480879d32
Cr-Commit-Position: refs/heads/master@{#34005}

[MTBrandyberry, 2016-02-15 18:09:27]

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

[commit-bot: I haz the power, 2016-02-15 18:09:41]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1699923002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1699923002/1

[commit-bot: I haz the power, 2016-02-15 18:41:25]

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

[commit-bot: I haz the power, 2016-02-15 18:41:26]

Dry run: This issue passed the CQ dry run.

[dstence, 2016-02-15 18:53:18]

dstence@us.ibm.com changed reviewers:
+ dstence@us.ibm.com

[dstence, 2016-02-15 18:53:18]

lgtm

[MTBrandyberry, 2016-02-15 18:57:09]

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

[commit-bot: I haz the power, 2016-02-15 18:57:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1699923002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1699923002/1

[commit-bot: I haz the power, 2016-02-15 18:59:35]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-15 19:00:21]

Description was changed from

==========
PPC: [runtime] Turn ArgumentAccessStub into FastNewSloppyArgumentsStub.

Port e0129d0f87677722a2cef055e372ab1e805cacf1

Original commit message:
    Turn the fast case of ArgumentsAccessStub into a new stub
    FastNewSloppyArgumentsStub, which is similar to the existing
    FastNewStrictArgumentsStub, although not polished yet, and the slow
    case always went to the runtime anyway, so we can just directly emit
    a runtime call there.

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

to

==========
PPC: [runtime] Turn ArgumentAccessStub into FastNewSloppyArgumentsStub.

Port e0129d0f87677722a2cef055e372ab1e805cacf1

Original commit message:
    Turn the fast case of ArgumentsAccessStub into a new stub
    FastNewSloppyArgumentsStub, which is similar to the existing
    FastNewStrictArgumentsStub, although not polished yet, and the slow
    case always went to the runtime anyway, so we can just directly emit
    a runtime call there.

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

Committed: https://crrev.com/ea08453c7f43aee423a18f27665394c480879d32
Cr-Commit-Position: refs/heads/master@{#34005}
==========

[commit-bot: I haz the power, 2016-02-15 19:00:22]

Patchset 1 (id:??) landed as
https://crrev.com/ea08453c7f43aee423a18f27665394c480879d32
Cr-Commit-Position: refs/heads/master@{#34005}