Regenerate the diagnostic comments after a recent change
Regenerate the diagnostic comments after a recent change

There is a test to catch the need to regnerate, but it appears to not be
running on the bots. We should find out why and fix that.

Change-Id: I4cc245933d68cc399ed33613acb4047303a3ef8d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/199304
Reviewed-by: Konstantin Shcheglov <09e4d7516628963212bf4aace2f97603d2b706e4@google.com>
Commit-Queue: Brian Wilkerson <1f7641b6b14c52b9163524ab8d9aabff80176f21@google.com>

dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk