[turbofan] Fix deopt loop due to forgetting maps on Merge.

[turbofan] Fix deopt loop due to forgetting maps on Merge.

When we merge two NotFound access infos, we currently forgot to include
all the maps into the final PropertyAccessInfo, which results in a deopt
loop.

R=jarin@chromium.org

Review-Url: https://codereview.chromium.org/2625413003
Cr-Commit-Position: refs/heads/master@{#42332}
Committed: https://chromium.googlesource.com/v8/v8/+/cb80ef310f8310f2bfa3cc094ed228c783dca39f

[Benedikt Meurer, 2017-01-13 12:23:21]

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

[commit-bot: I haz the power, 2017-01-13 12:23:28]

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, 2017-01-13 13:04:49]

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

[commit-bot: I haz the power, 2017-01-13 13:04:50]

Dry run: Try jobs failed on following builders:
  v8_linux_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_rel_ng/builds/19064)
  v8_linux_rel_ng_triggered on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_rel_ng_triggered/b...)

[Benedikt Meurer, 2017-01-13 13:46:55]

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

[commit-bot: I haz the power, 2017-01-13 13:47:03]

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

[Jarin, 2017-01-13 13:50:25]

lgtm

[Jarin, 2017-01-13 13:50:28]

The CQ bit was unchecked by jarin@chromium.org

[Jarin, 2017-01-13 13:50:28]

The CQ bit was checked by jarin@chromium.org

[commit-bot: I haz the power, 2017-01-13 13:50:33]

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, 2017-01-13 14:17:27]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1484315428908580,
"parent_rev": "83f19e7d972c9564b523da49782eb41b0939d8ce", "commit_rev":
"cb80ef310f8310f2bfa3cc094ed228c783dca39f"}

[commit-bot: I haz the power, 2017-01-13 14:17:32]

Description was changed from

==========
[turbofan] Fix deopt loop due to forgetting maps on Merge.

When we merge two NotFound access infos, we currently forgot to include
all the maps into the final PropertyAccessInfo, which results in a deopt
loop.

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

to

==========
[turbofan] Fix deopt loop due to forgetting maps on Merge.

When we merge two NotFound access infos, we currently forgot to include
all the maps into the final PropertyAccessInfo, which results in a deopt
loop.

R=jarin@chromium.org

Review-Url: https://codereview.chromium.org/2625413003
Cr-Commit-Position: refs/heads/master@{#42332}
Committed:
https://chromium.googlesource.com/v8/v8/+/cb80ef310f8310f2bfa3cc094ed228c783d...
==========

[commit-bot: I haz the power, 2017-01-13 14:17:33]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/v8/v8/+/cb80ef310f8310f2bfa3cc094ed228c783d...