[interpreter] Properly collect for-in slow mode feedback.

[interpreter] Properly collect for-in slow mode feedback.

Similar to fullcodegen, Ignition now also marks a for-in statement as
slow (via the TypeFeedbackVector) when we have to call %ForInFilter,
i.e. we either have no enumeration cache or the receiver map changes
during an iteration of the for-in map.

R=mstarzinger@chromium.org
BUG=v8:3650
LOG=n

Committed: https://crrev.com/0cb8a1b774b8a4e181c6dba355f9d6b73fb374f3
Cr-Commit-Position: refs/heads/master@{#34391}

[Benedikt Meurer, 2016-03-01 10:39:02]

Hey Michi,

Syncing fullcodegen and Ignition.
Please take a look.

Thanks,
Benedikt

[Michael Starzinger, 2016-03-01 13:25:47]

LGTM.

[Benedikt Meurer, 2016-03-01 13:38:47]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2016-03-01 13:38:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1755563002/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1755563002/40001

[commit-bot: I haz the power, 2016-03-01 13:55:52]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2016-03-01 13:56:10]

Description was changed from

==========
[interpreter] Properly collect for-in slow mode feedback.

Similar to fullcodegen, Ignition now also marks a for-in statement as
slow (via the TypeFeedbackVector) when we have to call %ForInFilter,
i.e. we either have no enumeration cache or the receiver map changes
during an iteration of the for-in map.

R=mstarzinger@chromium.org
BUG=v8:3650
LOG=n
==========

to

==========
[interpreter] Properly collect for-in slow mode feedback.

Similar to fullcodegen, Ignition now also marks a for-in statement as
slow (via the TypeFeedbackVector) when we have to call %ForInFilter,
i.e. we either have no enumeration cache or the receiver map changes
during an iteration of the for-in map.

R=mstarzinger@chromium.org
BUG=v8:3650
LOG=n

Committed: https://crrev.com/0cb8a1b774b8a4e181c6dba355f9d6b73fb374f3
Cr-Commit-Position: refs/heads/master@{#34391}
==========

[commit-bot: I haz the power, 2016-03-01 13:56:12]

Patchset 3 (id:??) landed as
https://crrev.com/0cb8a1b774b8a4e181c6dba355f9d6b73fb374f3
Cr-Commit-Position: refs/heads/master@{#34391}