Closes https://github.com/dart-lang/sdk/issues/28291

Closes https://github.com/dart-lang/sdk/issues/28291

Fix extending a JS class and add a test to ensure it
continues to work from DDC. Note this behavior will never
be supported in Dartium and is not yet supported by Dart2JS.

BUG=
R=vsm@google.com

Committed: https://github.com/dart-lang/sdk/commit/d6063ca39125d61200317f0724326b0025eeb2e6

[Jacob, 2017-01-23 18:39:52]

jacobr@google.com changed reviewers:
+ vsm@google.com

[vsm, 2017-01-23 20:45:03]

lgtm

https://codereview.chromium.org/2654583002/diff/1/pkg/dev_compiler/lib/src/co...
File pkg/dev_compiler/lib/src/compiler/code_generator.dart (right):

https://codereview.chromium.org/2654583002/diff/1/pkg/dev_compiler/lib/src/co...
pkg/dev_compiler/lib/src/compiler/code_generator.dart:1265: basetypes.map((t) =>
_emitConstructorAccess(t, nameType: false)).toList();
nit: run format.

[Jacob, 2017-01-24 15:20:37]

Description was changed from

==========
Closes https://github.com/dart-lang/sdk/issues/28291

Fix extending a JS class and add a test to ensure it
continues to work from DDC. Note this behavior will never
be supported in Dartium and is not yet supported by Dart2JS.

BUG=
==========

to

==========
Closes https://github.com/dart-lang/sdk/issues/28291

Fix extending a JS class and add a test to ensure it
continues to work from DDC. Note this behavior will never
be supported in Dartium and is not yet supported by Dart2JS.

BUG=
R=vsm@google.com

Committed:
https://github.com/dart-lang/sdk/commit/d6063ca39125d61200317f0724326b0025eeb2e6
==========

[Jacob, 2017-01-24 15:20:38]

Committed patchset #1 (id:1) manually as
d6063ca39125d61200317f0724326b0025eeb2e6 (presubmit successful).