This adds support for having a final field and an external constructor
without error, assuming that the external constructor initializes the
final field. This supports the inline class with external members use
case.
Change-Id: I33b78275e967636ed0697d17f7921e9eee30401b
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/279095
Reviewed-by: Srujan Gaddam <srujzs@google.com>
Commit-Queue: Johnni Winther <johnniwinther@google.com>
Reviewed-by: Jens Johansen <jensj@google.com>
Johnni Winther
21cc667dca