[compiler] Move feedback vector allocation to pipeline.

[compiler] Move feedback vector allocation to pipeline.

This moves the call-sites that ensure we have a feedback vector present
before kicking off a compiler into the actual compilation pipeline. The
backends no longer need to worry about the feedback vector.

R=mvstanton@chromium.org

Committed: https://crrev.com/62d2aa45e493581af81e6278499a6be202edfbf3
Cr-Commit-Position: refs/heads/master@{#34900}

[mvstanton, 2016-03-18 14:52:50]

Totally cool!
LGTM, as long as the platform ports in full-codegen are the same as ia32.

[Michael Starzinger, 2016-03-18 16:31:01]

The CQ bit was checked by mstarzinger@chromium.org

[commit-bot: I haz the power, 2016-03-18 16:31:09]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1811973006/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1811973006/1

[commit-bot: I haz the power, 2016-03-18 16:33:36]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-18 16:33:59]

Description was changed from

==========
[compiler] Move feedback vector allocation to pipeline.

This moves the call-sites that ensure we have a feedback vector present
before kicking off a compiler into the actual compilation pipeline. The
backends no longer need to worry about the feedback vector.

R=mvstanton@chromium.org
==========

to

==========
[compiler] Move feedback vector allocation to pipeline.

This moves the call-sites that ensure we have a feedback vector present
before kicking off a compiler into the actual compilation pipeline. The
backends no longer need to worry about the feedback vector.

R=mvstanton@chromium.org

Committed: https://crrev.com/62d2aa45e493581af81e6278499a6be202edfbf3
Cr-Commit-Position: refs/heads/master@{#34900}
==========

[commit-bot: I haz the power, 2016-03-18 16:33:59]

Patchset 1 (id:??) landed as
https://crrev.com/62d2aa45e493581af81e6278499a6be202edfbf3
Cr-Commit-Position: refs/heads/master@{#34900}