PPC: Fix constant pools for tail calls.

PPC: Fix constant pools for tail calls.

Constant pool must be marked as unavailable for use after the caller's pointer has been restored ahead of the tail call.

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

Committed: https://crrev.com/71dbee045224310535ad11977c68f58d503838d5
Cr-Commit-Position: refs/heads/master@{#33563}

[MTBrandyberry, 2016-01-27 18:00:08]

Description was changed from

==========
PPC: Fix constant pools for tail calls.

Constant pool must be marked as unavailable for use after the callers
pointer has been restored ahead of the tail call.

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

to

==========
PPC: Fix constant pools for tail calls.

Constant pool must be marked as unavailable for use after the caller's pointer
has been restored ahead of the tail call.

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

[MTBrandyberry, 2016-01-27 18:20:52]

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

[commit-bot: I haz the power, 2016-01-27 18:21:02]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1641743002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1641743002/1

[commit-bot: I haz the power, 2016-01-27 18:46:35]

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

[commit-bot: I haz the power, 2016-01-27 18:46:36]

Dry run: This issue passed the CQ dry run.

[michael_dawson, 2016-01-27 19:22:06]

On 2016/01/27 18:46:36, commit-bot: I haz the power wrote:
> Dry run: This issue passed the CQ dry run.

lgtm

[MTBrandyberry, 2016-01-27 19:23:40]

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

[commit-bot: I haz the power, 2016-01-27 19:23:56]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1641743002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1641743002/1

[commit-bot: I haz the power, 2016-01-27 19:25:24]

Description was changed from

==========
PPC: Fix constant pools for tail calls.

Constant pool must be marked as unavailable for use after the caller's pointer
has been restored ahead of the tail call.

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

to

==========
PPC: Fix constant pools for tail calls.

Constant pool must be marked as unavailable for use after the caller's pointer
has been restored ahead of the tail call.

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

[commit-bot: I haz the power, 2016-01-27 19:25:25]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-01-27 19:27:11]

Description was changed from

==========
PPC: Fix constant pools for tail calls.

Constant pool must be marked as unavailable for use after the caller's pointer
has been restored ahead of the tail call.

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

to

==========
PPC: Fix constant pools for tail calls.

Constant pool must be marked as unavailable for use after the caller's pointer
has been restored ahead of the tail call.

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

Committed: https://crrev.com/71dbee045224310535ad11977c68f58d503838d5
Cr-Commit-Position: refs/heads/master@{#33563}
==========

[commit-bot: I haz the power, 2016-01-27 19:27:12]

Patchset 1 (id:??) landed as
https://crrev.com/71dbee045224310535ad11977c68f58d503838d5
Cr-Commit-Position: refs/heads/master@{#33563}