PPC: Full code shouldn't embed the type feedback vector.

PPC: Full code shouldn't embed the type feedback vector.

Port c90c60ba2689fb524a1526503c9c87f534cf58fb

Original commit message:
    Make sure to always reference it indirectly. This allows us to make the vector
    native-context dependent should we wish.

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

Committed: https://crrev.com/6fb3708d68aa0a5c98bf026b099e068256800f64
Cr-Commit-Position: refs/heads/master@{#31036}

[MTBrandyberry, 2015-09-30 20:28:12]

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

[commit-bot: I haz the power, 2015-09-30 20:28:27]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1381803002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1381803002/1

[michael_dawson, 2015-09-30 20:56:36]

On 2015/09/30 20:28:27, 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/1381803002/1
> View timeline at
>  https://chromium-cq-status.appspot.com/patch-timeline/1381803002/1

lgtm.

[commit-bot: I haz the power, 2015-09-30 21:11:38]

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

[commit-bot: I haz the power, 2015-09-30 21:11:39]

Dry run: This issue passed the CQ dry run.

[MTBrandyberry, 2015-09-30 21:12:04]

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

[commit-bot: I haz the power, 2015-09-30 21:12:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1381803002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1381803002/1

[commit-bot: I haz the power, 2015-09-30 21:14:07]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-09-30 21:17:04]

Patchset 1 (id:??) landed as
https://crrev.com/6fb3708d68aa0a5c98bf026b099e068256800f64
Cr-Commit-Position: refs/heads/master@{#31036}