[turbofan] Don't report failed map check as failed instance migration.

[turbofan] Don't report failed map check as failed instance migration.

Failed instance migration should only be reported if the map of the
object was originally marked as deprecated. Otherwise it's pretty
confusing to investigate deoptimizations.

R=jarin@chromium.org

Review-Url: https://codereview.chromium.org/2700143002
Cr-Commit-Position: refs/heads/master@{#43293}
Committed: https://chromium.googlesource.com/v8/v8/+/00a379a03e31bf6eb87cd53212fde8aa1d3c1f67

[Benedikt Meurer, 2017-02-17 13:16:52]

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

[commit-bot: I haz the power, 2017-02-17 13:16:54]

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, 2017-02-17 13:39:05]

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

[commit-bot: I haz the power, 2017-02-17 13:39:05]

Dry run: This issue passed the CQ dry run.

[Jarin, 2017-02-17 14:11:31]

lgtm

[Benedikt Meurer, 2017-02-17 19:13:08]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2017-02-17 19:13:11]

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, 2017-02-17 19:15:27]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1487358788573300, "parent_rev":
"4dfd5e5ee22693d5c4efc2ef2df369a04f762e15", "commit_rev":
"00a379a03e31bf6eb87cd53212fde8aa1d3c1f67"}

[commit-bot: I haz the power, 2017-02-17 19:15:32]

Description was changed from

==========
[turbofan] Don't report failed map check as failed instance migration.

Failed instance migration should only be reported if the map of the
object was originally marked as deprecated. Otherwise it's pretty
confusing to investigate deoptimizations.

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

to

==========
[turbofan] Don't report failed map check as failed instance migration.

Failed instance migration should only be reported if the map of the
object was originally marked as deprecated. Otherwise it's pretty
confusing to investigate deoptimizations.

R=jarin@chromium.org

Review-Url: https://codereview.chromium.org/2700143002
Cr-Commit-Position: refs/heads/master@{#43293}
Committed:
https://chromium.googlesource.com/v8/v8/+/00a379a03e31bf6eb87cd53212fde8aa1d3...
==========

[commit-bot: I haz the power, 2017-02-17 19:15:33]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/00a379a03e31bf6eb87cd53212fde8aa1d3...