[esnext] Fix super in async arrow functions

[esnext] Fix super in async arrow functions

Ordinary arrow functions have 'undefined' in their frame's receiver.
Generators restore the receiver to the frame based on one passed in
when they are constructed in CreateJSGeneratorObject.

This patch makes async arrow functions pass in 'undefined' for their
receiver so that they have the same behavior as ordinary arrow
functions, which avoids the issue of encountering TDZ when calling
an async arrow function in a subclass constructor before a super
call has returned.

BUG=v8:4483
Committed: https://crrev.com/690922c95966b6789053ab27c8cf21dfbd0080c6
Cr-Commit-Position: refs/heads/master@{#36264}

[Dan Ehrenberg, 2016-05-12 23:29:46]

littledan@chromium.org changed reviewers:
+ caitpotter88@gmail.com, neis@chromium.org

[Dan Ehrenberg, 2016-05-12 23:30:09]

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

[commit-bot: I haz the power, 2016-05-12 23:30:19]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1976813002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1976813002/20001

[caitp (gmail), 2016-05-12 23:33:34]

Looks good here

[commit-bot: I haz the power, 2016-05-13 00:03:21]

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

[commit-bot: I haz the power, 2016-05-13 00:03:22]

Dry run: This issue passed the CQ dry run.

[Dan Ehrenberg, 2016-05-13 00:38:14]

Description was changed from

==========
Fix super in async arrow functions

Ordinary arrow functions have 'undefined' in their frame's receiver.
Generators restore the receiver to the frame based on one passed in
when they are constructed in CreateJSGeneratorObject.

This patch makes async arrow functions pass in 'undefined' for their
receiver so that they have the same behavior as ordinary arrow
functions, which avoids the issue of encountering TDZ when calling
an async arrow function in a subclass constructor before a super
call has returned.
==========

to

==========
[esnext] Fix super in async arrow functions

Ordinary arrow functions have 'undefined' in their frame's receiver.
Generators restore the receiver to the frame based on one passed in
when they are constructed in CreateJSGeneratorObject.

This patch makes async arrow functions pass in 'undefined' for their
receiver so that they have the same behavior as ordinary arrow
functions, which avoids the issue of encountering TDZ when calling
an async arrow function in a subclass constructor before a super
call has returned.

BUG=v8:4483
==========

[neis, 2016-05-13 09:00:15]

lgtm

[Dan Ehrenberg, 2016-05-17 00:42:16]

The CQ bit was checked by littledan@chromium.org

[commit-bot: I haz the power, 2016-05-17 00:42:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1976813002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1976813002/20001

[commit-bot: I haz the power, 2016-05-17 01:14:35]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-05-17 01:16:57]

Description was changed from

==========
[esnext] Fix super in async arrow functions

Ordinary arrow functions have 'undefined' in their frame's receiver.
Generators restore the receiver to the frame based on one passed in
when they are constructed in CreateJSGeneratorObject.

This patch makes async arrow functions pass in 'undefined' for their
receiver so that they have the same behavior as ordinary arrow
functions, which avoids the issue of encountering TDZ when calling
an async arrow function in a subclass constructor before a super
call has returned.

BUG=v8:4483
==========

to

==========
[esnext] Fix super in async arrow functions

Ordinary arrow functions have 'undefined' in their frame's receiver.
Generators restore the receiver to the frame based on one passed in
when they are constructed in CreateJSGeneratorObject.

This patch makes async arrow functions pass in 'undefined' for their
receiver so that they have the same behavior as ordinary arrow
functions, which avoids the issue of encountering TDZ when calling
an async arrow function in a subclass constructor before a super
call has returned.

BUG=v8:4483

Committed: https://crrev.com/690922c95966b6789053ab27c8cf21dfbd0080c6
Cr-Commit-Position: refs/heads/master@{#36264}
==========

[commit-bot: I haz the power, 2016-05-17 01:16:58]

Patchset 2 (id:??) landed as
https://crrev.com/690922c95966b6789053ab27c8cf21dfbd0080c6
Cr-Commit-Position: refs/heads/master@{#36264}