[builtins] Migrate StringFromCodePoint to C++.

[builtins] Migrate StringFromCodePoint to C++.

Instead of a JS implementation that calls C++ runtime functions, migrate String.fromCodePoint() to C++.

BUG=v8:5049
Committed: https://crrev.com/e89d8b6a76d1219e4e42f0e821084ba6d53c1bfa
Cr-Commit-Position: refs/heads/master@{#37293}

[Franzi, 2016-06-03 16:14:55]

Description was changed from

==========
[builtins] First stab ab migrating StringFromCodePoint to C++.

BUG=v8:5049
==========

to

==========
[builtins] First stab at migrating StringFromCodePoint to C++.

BUG=v8:5049
==========

[Franzi, 2016-06-27 12:34:16]

Description was changed from

==========
[builtins] First stab at migrating StringFromCodePoint to C++.

BUG=v8:5049
==========

to

==========
[builtins] Migrate StringFromCodePoint to C++.

Instead of a JS implementation that calls C++ runtime functions, migrate
String.fromCodePoint() to C++.

BUG=v8:5049
==========

[Franzi, 2016-06-27 12:34:16]

franzih@chromium.org changed reviewers:
+ bmeurer@chromium.org

[Franzi, 2016-06-27 13:13:35]

Hi Benedikt, 

I moved String.fromCodePoint() to builtins.

Any chance you're working on StringIteratorNext() so we can get rid of
%_StringCharFromCode()?

Please have a look. Thanks, 

Franzi

[Benedikt Meurer, 2016-06-27 13:23:12]

lgtm

[Franzi, 2016-06-27 13:23:38]

The CQ bit was checked by franzih@chromium.org

[commit-bot: I haz the power, 2016-06-27 13:23:40]

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, 2016-06-27 13:47:43]

Description was changed from

==========
[builtins] Migrate StringFromCodePoint to C++.

Instead of a JS implementation that calls C++ runtime functions, migrate
String.fromCodePoint() to C++.

BUG=v8:5049
==========

to

==========
[builtins] Migrate StringFromCodePoint to C++.

Instead of a JS implementation that calls C++ runtime functions, migrate
String.fromCodePoint() to C++.

BUG=v8:5049
==========

[commit-bot: I haz the power, 2016-06-27 13:47:44]

Committed patchset #5 (id:80001)

[commit-bot: I haz the power, 2016-06-27 13:49:31]

Description was changed from

==========
[builtins] Migrate StringFromCodePoint to C++.

Instead of a JS implementation that calls C++ runtime functions, migrate
String.fromCodePoint() to C++.

BUG=v8:5049
==========

to

==========
[builtins] Migrate StringFromCodePoint to C++.

Instead of a JS implementation that calls C++ runtime functions, migrate
String.fromCodePoint() to C++.

BUG=v8:5049

Committed: https://crrev.com/e89d8b6a76d1219e4e42f0e821084ba6d53c1bfa
Cr-Commit-Position: refs/heads/master@{#37293}
==========

[commit-bot: I haz the power, 2016-06-27 13:49:32]

Patchset 5 (id:??) landed as
https://crrev.com/e89d8b6a76d1219e4e42f0e821084ba6d53c1bfa
Cr-Commit-Position: refs/heads/master@{#37293}