d0ac9e2620
This was probably broken since we stopped specifying --sound-null-safety explicitly in test_matrix.json in https://dart-review.googlesource.com/c/sdk/+/164160. TEST=ci Change-Id: I0a41f13749784db1a076aba434985327291ce71a Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/212660 Commit-Queue: Alexander Markov <alexmarkov@google.com> Reviewed-by: Alexander Thomas <athom@google.com> Reviewed-by: Slava Egorov <vegorov@google.com>