[turbofan] Fixed segmentation fault while printing TurboFan node

[turbofan] Fixed segmentation fault while printing TurboFan node

Graph trimmer can set Input as null and subsequent
printing call could cause segmentation fault.

R=bmeurer@chromium.org, jarin@chromium.org

Committed: https://crrev.com/1d26ed290b3b30e9582b5857561a6948f02d376b
Cr-Commit-Position: refs/heads/master@{#37658}

[Deon, 2016-07-07 21:23:27]

This is follow-up from https://codereview.chromium.org/1992653003/. Separate two
changes as suggested by Benedikt.

[Benedikt Meurer, 2016-07-09 18:00:15]

Description was changed from

==========
Fixed segmentation fault while printing TurboFan node

Graph trimmer can set Input as null and subsequent
printing call could cause segmentation fault.

R=bmeurer@chromium.org, jarin@chromium.org
BUG=
==========

to

==========
[turbofan] Fixed segmentation fault while printing TurboFan node

Graph trimmer can set Input as null and subsequent
printing call could cause segmentation fault.

R=bmeurer@chromium.org, jarin@chromium.org
==========

[Benedikt Meurer, 2016-07-09 18:01:48]

Awesome, thanks for fixing. LGTM.

You might need to add yourself to AUTHORS (wtih the email you used to sign the
CLA) first in order to land this. It's fine to add the AUTHORS change to this
CL.

[Deon, 2016-07-11 20:09:45]

The CQ bit was checked by diaoyuanjie@gmail.com to run a CQ dry run

[commit-bot: I haz the power, 2016-07-11 20:09:52]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Deon, 2016-07-11 20:13:11]

Thank you, Benedikt! I have updated AUTHORS with my account registered at Google
Individual CLA.

[commit-bot: I haz the power, 2016-07-11 20:32:52]

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

[commit-bot: I haz the power, 2016-07-11 20:32:53]

Dry run: This issue passed the CQ dry run.

[Deon, 2016-07-11 20:38:39]

The CQ bit was checked by diaoyuanjie@gmail.com

[Deon, 2016-07-11 20:38:39]

The patchset sent to the CQ was uploaded after l-g-t-m from bmeurer@chromium.org
Link to the patchset: https://codereview.chromium.org/2134443002/#ps20001
(title: "Fixed segmentation fault while printing TurboFan node")

[commit-bot: I haz the power, 2016-07-11 20:38:41]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-07-11 20:41:14]

Description was changed from

==========
[turbofan] Fixed segmentation fault while printing TurboFan node

Graph trimmer can set Input as null and subsequent
printing call could cause segmentation fault.

R=bmeurer@chromium.org, jarin@chromium.org
==========

to

==========
[turbofan] Fixed segmentation fault while printing TurboFan node

Graph trimmer can set Input as null and subsequent
printing call could cause segmentation fault.

R=bmeurer@chromium.org, jarin@chromium.org
==========

[commit-bot: I haz the power, 2016-07-11 20:41:15]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-07-11 20:43:07]

Description was changed from

==========
[turbofan] Fixed segmentation fault while printing TurboFan node

Graph trimmer can set Input as null and subsequent
printing call could cause segmentation fault.

R=bmeurer@chromium.org, jarin@chromium.org
==========

to

==========
[turbofan] Fixed segmentation fault while printing TurboFan node

Graph trimmer can set Input as null and subsequent
printing call could cause segmentation fault.

R=bmeurer@chromium.org, jarin@chromium.org

Committed: https://crrev.com/1d26ed290b3b30e9582b5857561a6948f02d376b
Cr-Commit-Position: refs/heads/master@{#37658}
==========

[commit-bot: I haz the power, 2016-07-11 20:43:08]

Patchset 2 (id:??) landed as
https://crrev.com/1d26ed290b3b30e9582b5857561a6948f02d376b
Cr-Commit-Position: refs/heads/master@{#37658}