[parsing] Make maybe-assigned more precise for sloppy block functions.

[parsing] Make maybe-assigned more precise for sloppy block functions.

A script like "{ function foo() {} }" declares a VAR-variable at the
top-level and a LET-variable inside the block.  The LET-variable does
not need to be unconditionally marked as assigned.

BUG=v8:5636
Review-Url: https://codereview.chromium.org/2680443002
Cr-Commit-Position: refs/heads/master@{#42980}
Committed: https://chromium.googlesource.com/v8/v8/+/b87d99495e972ee76254cbe912626707da0785c4

[neis, 2017-02-06 15:13:30]

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

[commit-bot: I haz the power, 2017-02-06 15:13:40]

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, 2017-02-06 15:38:46]

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

[commit-bot: I haz the power, 2017-02-06 15:38:47]

Dry run: This issue passed the CQ dry run.

[neis, 2017-02-06 15:54:31]

neis@chromium.org changed reviewers:
+ adamk@chromium.org, marja@chromium.org

[neis, 2017-02-06 15:54:31]

PTAL. A test about this is in the follow-up CL.

[adamk, 2017-02-06 20:06:44]

lgtm

[neis, 2017-02-07 07:34:43]

The CQ bit was checked by neis@chromium.org

[commit-bot: I haz the power, 2017-02-07 07:34:53]

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, 2017-02-07 08:12:56]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1486452883917320, "parent_rev":
"c6bc6d28ecf43f26680c24329f318e8bea11b6cc", "commit_rev":
"b87d99495e972ee76254cbe912626707da0785c4"}

[commit-bot: I haz the power, 2017-02-07 08:13:00]

Description was changed from

==========
[parsing] Make maybe-assigned more precise for sloppy block functions.

A script like "{ function foo() {} }" declares a VAR-variable at the
top-level and a LET-variable inside the block.  The LET-variable does
not need to be unconditionally marked as assigned.

BUG=v8:5636
==========

to

==========
[parsing] Make maybe-assigned more precise for sloppy block functions.

A script like "{ function foo() {} }" declares a VAR-variable at the
top-level and a LET-variable inside the block.  The LET-variable does
not need to be unconditionally marked as assigned.

BUG=v8:5636

Review-Url: https://codereview.chromium.org/2680443002
Cr-Commit-Position: refs/heads/master@{#42980}
Committed:
https://chromium.googlesource.com/v8/v8/+/b87d99495e972ee76254cbe912626707da0...
==========

[commit-bot: I haz the power, 2017-02-07 08:13:01]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/b87d99495e972ee76254cbe912626707da0...