[turbofan] Check index type for potential element aliasing.

[turbofan] Check index type for potential element aliasing.

When deciding whether to nuke an element entry from the state table,
base the decision for the index only on the type information, and
don't even try to run it through the alias analyzer.

R=jarin@chromium.org

Committed: https://crrev.com/699ba63cc068bf3307254e4396ebdaafef540307
Cr-Commit-Position: refs/heads/master@{#39116}

[Benedikt Meurer, 2016-09-01 12:32:54]

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

[commit-bot: I haz the power, 2016-09-01 12:32:57]

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

[Jarin, 2016-09-01 12:34:21]

lgtm

[commit-bot: I haz the power, 2016-09-01 12:49:07]

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

[commit-bot: I haz the power, 2016-09-01 12:49:08]

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/8032)
  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, 2016-09-02 05:16:13]

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

[commit-bot: I haz the power, 2016-09-02 05:16:15]

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, 2016-09-02 05:19:24]

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

[commit-bot: I haz the power, 2016-09-02 05:19:25]

Dry run: Try jobs failed on following builders:
  v8_linux64_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_rel_ng/builds/12020)

[Benedikt Meurer, 2016-09-02 06:39:47]

The CQ bit was checked by bmeurer@chromium.org

[Benedikt Meurer, 2016-09-02 06:39:47]

The patchset sent to the CQ was uploaded after l-g-t-m from jarin@chromium.org
Link to the patchset: https://codereview.chromium.org/2301943002/#ps20001
(title: "REBASE")

[commit-bot: I haz the power, 2016-09-02 06:39:51]

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, 2016-09-02 07:05:49]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-09-02 07:06:33]

Description was changed from

==========
[turbofan] Check index type for potential element aliasing.

When deciding whether to nuke an element entry from the state table,
base the decision for the index only on the type information, and
don't even try to run it through the alias analyzer.

R=jarin@chromium.org
==========

to

==========
[turbofan] Check index type for potential element aliasing.

When deciding whether to nuke an element entry from the state table,
base the decision for the index only on the type information, and
don't even try to run it through the alias analyzer.

R=jarin@chromium.org

Committed: https://crrev.com/699ba63cc068bf3307254e4396ebdaafef540307
Cr-Commit-Position: refs/heads/master@{#39116}
==========

[commit-bot: I haz the power, 2016-09-02 07:06:35]

Patchset 2 (id:??) landed as
https://crrev.com/699ba63cc068bf3307254e4396ebdaafef540307
Cr-Commit-Position: refs/heads/master@{#39116}