[turbofan] do not emit 2 operations for int64 add with overflow

[turbofan] do not emit 2 operations for int64 add with overflow

Do not emit 2 operations for int64 add with overflow.

BUG=

Committed: https://crrev.com/53a393b5d1c57bd0ac5e79a2141a6790ebcafa47
Cr-Commit-Position: refs/heads/master@{#34473}

[Mircea Trofin, 2016-03-04 02:37:53]

Description was changed from

==========
[turbofan] do not emit 2 operations for int64 add with overflow

Do not emit 2 operations for int64 add with overflow.

BUG=
==========

to

==========
[turbofan] do not emit 2 operations for int64 add with overflow

Do not emit 2 operations for int64 add with overflow.

BUG=
==========

[Mircea Trofin, 2016-03-04 02:37:53]

mtrofin@chromium.org changed reviewers:
+ bmeurer@chromium.org

[Mircea Trofin, 2016-03-04 02:38:19]

Similar to the other instance we found earlier.

[Benedikt Meurer, 2016-03-04 03:24:55]

lgtm

[Mircea Trofin, 2016-03-04 03:59:33]

The CQ bit was checked by mtrofin@chromium.org

[commit-bot: I haz the power, 2016-03-04 03:59:43]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1764013002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1764013002/20001

[commit-bot: I haz the power, 2016-03-04 04:02:07]

Description was changed from

==========
[turbofan] do not emit 2 operations for int64 add with overflow

Do not emit 2 operations for int64 add with overflow.

BUG=
==========

to

==========
[turbofan] do not emit 2 operations for int64 add with overflow

Do not emit 2 operations for int64 add with overflow.

BUG=
==========

[commit-bot: I haz the power, 2016-03-04 04:02:08]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-03-04 04:02:48]

Description was changed from

==========
[turbofan] do not emit 2 operations for int64 add with overflow

Do not emit 2 operations for int64 add with overflow.

BUG=
==========

to

==========
[turbofan] do not emit 2 operations for int64 add with overflow

Do not emit 2 operations for int64 add with overflow.

BUG=

Committed: https://crrev.com/53a393b5d1c57bd0ac5e79a2141a6790ebcafa47
Cr-Commit-Position: refs/heads/master@{#34473}
==========

[commit-bot: I haz the power, 2016-03-04 04:02:49]

Patchset 2 (id:??) landed as
https://crrev.com/53a393b5d1c57bd0ac5e79a2141a6790ebcafa47
Cr-Commit-Position: refs/heads/master@{#34473}