Remove an unnecessary null check

Remove an unnecessary null check

R=sigmund@google.com

Committed: https://github.com/dart-lang/sdk/commit/cd1cd49f490ed03ce841f7f5477f96d938e9ed95

[Paul Berry, 2017-06-15 14:03:00]

paulberry@google.com changed reviewers:
+ scheglov@google.com

[Paul Berry, 2017-06-15 16:33:33]

paulberry@google.com changed reviewers:
+ sigmund@google.com

[Paul Berry, 2017-06-15 16:33:34]

https://codereview.chromium.org/2940843005/diff/1/pkg/front_end/lib/src/fasta...
File pkg/front_end/lib/src/fasta/kernel/kernel_shadow_ast.dart (right):

https://codereview.chromium.org/2940843005/diff/1/pkg/front_end/lib/src/fasta...
pkg/front_end/lib/src/fasta/kernel/kernel_shadow_ast.dart:2267:
closureContext.isGenerator ? closureContext.returnContext : null;
Note that the use of closureContext.isGenerator at this point in the function
guarantees that it is non-null below.

[Siggi Cherem (dart-lang), 2017-06-15 22:35:24]

lgtm

[Paul Berry, 2017-06-16 03:44:41]

Description was changed from

==========
Remove an unnecessary null check
==========

to

==========
Remove an unnecessary null check

R=sigmund@google.com

Committed:
https://github.com/dart-lang/sdk/commit/cd1cd49f490ed03ce841f7f5477f96d938e9ed95
==========

[Paul Berry, 2017-06-16 03:44:42]

Committed patchset #1 (id:1) manually as
cd1cd49f490ed03ce841f7f5477f96d938e9ed95 (presubmit successful).

[scheglov, 2017-06-16 15:41:53]

LGTM