f72f7d2b16
This is part of a larger effort to remove the diagnostic classes entirely. Change-Id: I6a6a69646c8d604d29d8e62da886628c3c9613ec Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/462501 Commit-Queue: Paul Berry <paulberry@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>