PreParsing inner funcs: make scope analysis even more complete.

PreParsing inner funcs: make scope analysis even more complete.

This adds tracking the following:
- Let / var declarations in for loops

BUG=v8:5501, v8:5516
Review-Url: https://codereview.chromium.org/2616393002
Cr-Commit-Position: refs/heads/master@{#42169}
Committed: https://chromium.googlesource.com/v8/v8/+/b23377620893d29c0b2be944e035ce85358e11f6

[marja, 2017-01-09 10:29:35]

marja@chromium.org changed reviewers:
+ verwaest@chromium.org

[marja, 2017-01-09 10:29:35]

ptal

[Toon Verwaest, 2017-01-10 10:47:23]

lgtm

[marja, 2017-01-10 10:48:29]

The CQ bit was checked by marja@chromium.org

[commit-bot: I haz the power, 2017-01-10 10:48:41]

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, 2017-01-10 11:14:54]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484045309879720, "parent_rev":
"af51befe694fe039db3554d4b9165f7d6baceb77", "commit_rev":
"b23377620893d29c0b2be944e035ce85358e11f6"}

[commit-bot: I haz the power, 2017-01-10 11:14:59]

Description was changed from

==========
PreParsing inner funcs: make scope analysis even more complete.

This adds tracking the following:
- Let / var declarations in for loops

BUG=v8:5501, v8:5516
==========

to

==========
PreParsing inner funcs: make scope analysis even more complete.

This adds tracking the following:
- Let / var declarations in for loops

BUG=v8:5501, v8:5516

Review-Url: https://codereview.chromium.org/2616393002
Cr-Commit-Position: refs/heads/master@{#42169}
Committed:
https://chromium.googlesource.com/v8/v8/+/b23377620893d29c0b2be944e035ce85358...
==========

[commit-bot: I haz the power, 2017-01-10 11:15:00]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/b23377620893d29c0b2be944e035ce85358...