6f6b1f8818
Deprecated option --null-safety still remains in order to allow graceful migration. Fixes https://github.com/dart-lang/sdk/issues/41853 Change-Id: Ie47b1bebc9dd6532658a60743ecb85dc7fdc108c Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/153660 Reviewed-by: Siva Annamalai <asiva@google.com> Reviewed-by: Régis Crelier <regis@google.com> Commit-Queue: Alexander Markov <alexmarkov@google.com>