Eagerly declare variables in ParseVariableDeclarations where possible

Eagerly declare variables in ParseVariableDeclarations where possible

This avoids spending lots of time in Scope::RemoveUnresolved for very long
variable declaration lists.

BUG=v8:4699
LOG=n

Committed: https://crrev.com/f4f19408486abc12f2bcc93b30160db560cb65db
Cr-Commit-Position: refs/heads/master@{#34047}

[adamk, 2016-02-12 22:46:36]

Description was changed from

==========
WIP: Eagerly declare variables in ParseVariableDeclarations where possible

This avoids spending lots of time in Scope::RemoveUnresolved for very long
variable declaration lists.
==========

to

==========
Eagerly declare variables in ParseVariableDeclarations where possible

This avoids spending lots of time in Scope::RemoveUnresolved for very long
variable declaration lists.

BUG=v8:4699
LOG=n
==========

[adamk, 2016-02-12 22:46:47]

adamk@chromium.org changed reviewers:
+ rossberg@chromium.org

[rossberg, 2016-02-16 16:08:17]

lgtm

[adamk, 2016-02-16 18:32:14]

The CQ bit was checked by adamk@chromium.org

[commit-bot: I haz the power, 2016-02-16 18:32:16]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1655313003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1655313003/20001

[commit-bot: I haz the power, 2016-02-16 19:09:06]

Description was changed from

==========
Eagerly declare variables in ParseVariableDeclarations where possible

This avoids spending lots of time in Scope::RemoveUnresolved for very long
variable declaration lists.

BUG=v8:4699
LOG=n
==========

to

==========
Eagerly declare variables in ParseVariableDeclarations where possible

This avoids spending lots of time in Scope::RemoveUnresolved for very long
variable declaration lists.

BUG=v8:4699
LOG=n
==========

[commit-bot: I haz the power, 2016-02-16 19:09:07]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-02-16 19:09:52]

Description was changed from

==========
Eagerly declare variables in ParseVariableDeclarations where possible

This avoids spending lots of time in Scope::RemoveUnresolved for very long
variable declaration lists.

BUG=v8:4699
LOG=n
==========

to

==========
Eagerly declare variables in ParseVariableDeclarations where possible

This avoids spending lots of time in Scope::RemoveUnresolved for very long
variable declaration lists.

BUG=v8:4699
LOG=n

Committed: https://crrev.com/f4f19408486abc12f2bcc93b30160db560cb65db
Cr-Commit-Position: refs/heads/master@{#34047}
==========

[commit-bot: I haz the power, 2016-02-16 19:09:53]

Patchset 2 (id:??) landed as
https://crrev.com/f4f19408486abc12f2bcc93b30160db560cb65db
Cr-Commit-Position: refs/heads/master@{#34047}