PPC/s390: [stubs] Simplify the ArrayConstructorStub.

PPC/s390: [stubs] Simplify the ArrayConstructorStub.

Port 9192db20370ad43954455007dc808b04dbff498b

Original commit message:

    Remove the special side channel from the CallICStub to the
    ArrayConstructorStub and make the CallICStub always use the
    general entry point.

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

BUG=
LOG=N

Committed: https://crrev.com/82b10341c8d327e208545859e6003e0dd510c2dd
Cr-Commit-Position: refs/heads/master@{#40183}

[JaideepBajwa, 2016-10-11 15:16:16]

PTAL

[john.yan, 2016-10-11 15:47:36]

lgtm

[JaideepBajwa, 2016-10-11 16:20:55]

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

[commit-bot: I haz the power, 2016-10-11 16:21:03]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-11 16:48:58]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-11 16:49:44]

Description was changed from

==========
PPC/s390: [stubs] Simplify the ArrayConstructorStub.

Port 9192db20370ad43954455007dc808b04dbff498b

Original commit message:

    Remove the special side channel from the CallICStub to the
    ArrayConstructorStub and make the CallICStub always use the
    general entry point.

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

BUG=
LOG=N
==========

to

==========
PPC/s390: [stubs] Simplify the ArrayConstructorStub.

Port 9192db20370ad43954455007dc808b04dbff498b

Original commit message:

    Remove the special side channel from the CallICStub to the
    ArrayConstructorStub and make the CallICStub always use the
    general entry point.

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

BUG=
LOG=N

Committed: https://crrev.com/82b10341c8d327e208545859e6003e0dd510c2dd
Cr-Commit-Position: refs/heads/master@{#40183}
==========

[commit-bot: I haz the power, 2016-10-11 16:49:45]

Patchset 1 (id:??) landed as
https://crrev.com/82b10341c8d327e208545859e6003e0dd510c2dd
Cr-Commit-Position: refs/heads/master@{#40183}