PPC: [interpreter, debugger] support debug breaks via bytecode array copy

PPC: [interpreter, debugger] support debug breaks via bytecode array copy

Port e032a98d3d1c532716892d2aad0e9d4467acae61

R=yangguo@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=v8:4690
LOG=N

Committed: https://crrev.com/d15d2cf227f7959899b79be2097b74fe5bb534b5
Cr-Commit-Position: refs/heads/master@{#34198}

[MTBrandyberry, 2016-02-22 15:55:55]

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

[commit-bot: I haz the power, 2016-02-22 15:55:57]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1721673003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1721673003/1

[commit-bot: I haz the power, 2016-02-22 16:12:42]

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

[commit-bot: I haz the power, 2016-02-22 16:12:42]

Dry run: This issue passed the CQ dry run.

[michael_dawson, 2016-02-22 20:39:58]

On 2016/02/22 16:12:42, commit-bot: I haz the power wrote:
> Dry run: This issue passed the CQ dry run.

lgtm

[MTBrandyberry, 2016-02-22 20:42:48]

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

[commit-bot: I haz the power, 2016-02-22 20:43:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1721673003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1721673003/1

[commit-bot: I haz the power, 2016-02-22 20:45:36]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-22 20:46:50]

Description was changed from

==========
PPC: [interpreter, debugger] support debug breaks via bytecode array copy

Port e032a98d3d1c532716892d2aad0e9d4467acae61

R=yangguo@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
BUG=v8:4690
LOG=N
==========

to

==========
PPC: [interpreter, debugger] support debug breaks via bytecode array copy

Port e032a98d3d1c532716892d2aad0e9d4467acae61

R=yangguo@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com,
michael_dawson@ca.ibm.com
BUG=v8:4690
LOG=N

Committed: https://crrev.com/d15d2cf227f7959899b79be2097b74fe5bb534b5
Cr-Commit-Position: refs/heads/master@{#34198}
==========

[commit-bot: I haz the power, 2016-02-22 20:46:51]

Patchset 1 (id:??) landed as
https://crrev.com/d15d2cf227f7959899b79be2097b74fe5bb534b5
Cr-Commit-Position: refs/heads/master@{#34198}