d4e4abdef6
In follow-up CLs I will update error reporting logic. Change-Id: Id07b861aa117b93e0c869ad0b52c048085706ee6 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/157801 Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Commit-Queue: Paul Berry <paulberry@google.com>