PPC: [intrinsics] Remove the %_IsDate intrinsic.

PPC: [intrinsics] Remove the %_IsDate intrinsic.

Port 0d595bb0016e7106b024ad2e975be78c7a90adb0

Original commit message:
    It's fine to only have the runtime call here, as it's only used in the
    debug mirror.

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

Committed: https://crrev.com/56e08dfaf69cf287648a58d504153e8fa76dd7d5
Cr-Commit-Position: refs/heads/master@{#34085}

[MTBrandyberry, 2016-02-17 15:09:17]

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

[commit-bot: I haz the power, 2016-02-17 15:09:30]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1707683002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1707683002/1

[JoranSiu, 2016-02-17 15:16:34]

On 2016/02/17 15:09:30, 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/1707683002/1
> View timeline at
>  https://chromium-cq-status.appspot.com/patch-timeline/1707683002/1

lgtm

[commit-bot: I haz the power, 2016-02-17 15:50:14]

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

[commit-bot: I haz the power, 2016-02-17 15:50:14]

Dry run: This issue passed the CQ dry run.

[MTBrandyberry, 2016-02-17 15:56:12]

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

[commit-bot: I haz the power, 2016-02-17 15:56:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1707683002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1707683002/1

[commit-bot: I haz the power, 2016-02-17 15:57:53]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-17 15:58:42]

Description was changed from

==========
PPC: [intrinsics] Remove the %_IsDate intrinsic.

Port 0d595bb0016e7106b024ad2e975be78c7a90adb0

Original commit message:
    It's fine to only have the runtime call here, as it's only used in the
    debug mirror.

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

to

==========
PPC: [intrinsics] Remove the %_IsDate intrinsic.

Port 0d595bb0016e7106b024ad2e975be78c7a90adb0

Original commit message:
    It's fine to only have the runtime call here, as it's only used in the
    debug mirror.

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

Committed: https://crrev.com/56e08dfaf69cf287648a58d504153e8fa76dd7d5
Cr-Commit-Position: refs/heads/master@{#34085}
==========

[commit-bot: I haz the power, 2016-02-17 15:58:43]

Patchset 1 (id:??) landed as
https://crrev.com/56e08dfaf69cf287648a58d504153e8fa76dd7d5
Cr-Commit-Position: refs/heads/master@{#34085}