[turbofan] Improve typing for CheckBounds.

[turbofan] Improve typing for CheckBounds.

Also eliminate redundant CheckBounds node during SimplifiedLowering if
we can prove that the index is within the [0.0, length[ range.

R=epertoso@chromium.org

Committed: https://crrev.com/da2a53552e943fdce02baa9550d3d586f4109a88
Cr-Commit-Position: refs/heads/master@{#38523}

[Benedikt Meurer, 2016-08-10 07:56:50]

The CQ bit was checked by bmeurer@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-08-10 07:57:01]

Dry run: 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, 2016-08-10 08:10:32]

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

[commit-bot: I haz the power, 2016-08-10 08:10:33]

Dry run: Try jobs failed on following builders:
  v8_mac_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_mac_rel_ng/builds/6716)
  v8_mac_rel_ng_triggered on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_mac_rel_ng_triggered/bui...)

[Benedikt Meurer, 2016-08-10 08:21:05]

The CQ bit was checked by bmeurer@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-08-10 08:21:12]

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

[Benedikt Meurer, 2016-08-10 08:36:09]

The CQ bit was unchecked by bmeurer@chromium.org

[epertoso, 2016-08-10 08:37:04]

lgtm

[Benedikt Meurer, 2016-08-10 08:37:35]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2016-08-10 08:37:40]

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, 2016-08-10 08:49:20]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-08-10 08:49:37]

Description was changed from

==========
[turbofan] Improve typing for CheckBounds.

Also eliminate redundant CheckBounds node during SimplifiedLowering if
we can prove that the index is within the [0.0, length[ range.

R=epertoso@chromium.org
==========

to

==========
[turbofan] Improve typing for CheckBounds.

Also eliminate redundant CheckBounds node during SimplifiedLowering if
we can prove that the index is within the [0.0, length[ range.

R=epertoso@chromium.org

Committed: https://crrev.com/da2a53552e943fdce02baa9550d3d586f4109a88
Cr-Commit-Position: refs/heads/master@{#38523}
==========

[commit-bot: I haz the power, 2016-08-10 08:49:38]

Patchset 2 (id:??) landed as
https://crrev.com/da2a53552e943fdce02baa9550d3d586f4109a88
Cr-Commit-Position: refs/heads/master@{#38523}