b3ae203907
This gets rid of some of the weirdness about `UnevaluatedConstant`s. Change-Id: I5e34dedd7ad4ad5ef57b3f27e17b456f5619e14d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/167281 Commit-Queue: Jens Johansen <jensj@google.com> Reviewed-by: Johnni Winther <johnniwinther@google.com>