PPC: [es6] [interpreter] Add tail calls support to Ignition.

PPC: [es6] [interpreter] Add tail calls support to Ignition.

Port 32b4bc138252d9773cc90b2d4aae78d98844bba1

Original commit message:
    This CL introduces two new bytecodes TailCall and TailCallWide.

R=ishell@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=v8:4698, v8:4687
LOG=N

Committed: https://crrev.com/c94a3d44bdd2e1a90e3cf385ffb6949f5bb74858
Cr-Commit-Position: refs/heads/master@{#34096}

[MTBrandyberry, 2016-02-17 19:11:30]

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 19:11:41]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1705913002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1705913002/1

[commit-bot: I haz the power, 2016-02-17 19:33:18]

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

[commit-bot: I haz the power, 2016-02-17 19:33:19]

Dry run: This issue passed the CQ dry run.

[john.yan, 2016-02-17 21:24:29]

lgtm

[MTBrandyberry, 2016-02-17 21:24:39]

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

[commit-bot: I haz the power, 2016-02-17 21:24:41]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1705913002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1705913002/1

[commit-bot: I haz the power, 2016-02-17 21:27:50]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-17 21:28:26]

Description was changed from

==========
PPC: [es6] [interpreter] Add tail calls support to Ignition.

Port 32b4bc138252d9773cc90b2d4aae78d98844bba1

Original commit message:
    This CL introduces two new bytecodes TailCall and TailCallWide.

R=ishell@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
BUG=v8:4698,v8:4687
LOG=N
==========

to

==========
PPC: [es6] [interpreter] Add tail calls support to Ignition.

Port 32b4bc138252d9773cc90b2d4aae78d98844bba1

Original commit message:
    This CL introduces two new bytecodes TailCall and TailCallWide.

R=ishell@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
BUG=v8:4698,v8:4687
LOG=N

Committed: https://crrev.com/c94a3d44bdd2e1a90e3cf385ffb6949f5bb74858
Cr-Commit-Position: refs/heads/master@{#34096}
==========

[commit-bot: I haz the power, 2016-02-17 21:28:27]

Patchset 1 (id:??) landed as
https://crrev.com/c94a3d44bdd2e1a90e3cf385ffb6949f5bb74858
Cr-Commit-Position: refs/heads/master@{#34096}