Fix issue 9442.

Fix issue 9442.
Add regression test.
Committed: https://code.google.com/p/dart/source/detail?r=20545

[srdjan, 2013-03-26 21:05:34]

LGTM with comments

https://codereview.chromium.org/13046009/diff/1/tests/language/function_type_...
File tests/language/function_type_alias8_test.dart (right):

https://codereview.chromium.org/13046009/diff/1/tests/language/function_type_...
tests/language/function_type_alias8_test.dart:40: var temp1 =
Test.fromThingSimple(new Thing());
remove var temp1

https://codereview.chromium.org/13046009/diff/1/tests/language/function_type_...
tests/language/function_type_alias8_test.dart:44: var temp = Test.fromInt(10);
remove "var temp"

https://codereview.chromium.org/13046009/diff/1/tests/language/function_type_...
tests/language/function_type_alias8_test.dart:48: var temp = Test.fromThing(10);
// <-- causes test to hang
Remove comment.

https://codereview.chromium.org/13046009/diff/1/tests/language/language_dart2...
File tests/language/language_dart2js.status (right):

https://codereview.chromium.org/13046009/diff/1/tests/language/language_dart2...
tests/language/language_dart2js.status:68: function_type_alias8_test: Fail #
type 'anon1' is not a subtype of type 'GetFromThing'
Please add issue for the failure

[regis, 2013-03-26 21:25:49]

Thanks. I simplified the test.

https://codereview.chromium.org/13046009/diff/1/tests/language/language_dart2...
File tests/language/language_dart2js.status (right):

https://codereview.chromium.org/13046009/diff/1/tests/language/language_dart2...
tests/language/language_dart2js.status:68: function_type_alias8_test: Fail #
type 'anon1' is not a subtype of type 'GetFromThing'
On 2013/03/26 21:05:34, srdjan wrote:
> Please add issue for the failure

The simplified version does not fail anymore on dart2js. Note that there are
other open dart2js issues with typedefs.

[regis, 2013-03-26 21:26:07]

Committed patchset #2 manually as r20545 (presubmit successful).