84a0424afd
This removes the old algorithm for exhaustiveness checking and ports the relevant tests to use the new algorithm. Change-Id: I7aee3c991e2735299ab4ddc743848b4845fb9250 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/284882 Reviewed-by: Paul Berry <paulberry@google.com> Commit-Queue: Johnni Winther <johnniwinther@google.com>