58a6e3c478
This also captures the information needed for the hints we want to add around duplicated, erroneous and unnecessary ignore comments. Change-Id: Ibafa2a92a02cf8113c222680f4868c38166d94e8 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/155847 Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Reviewed-by: Samuel Rawlins <srawlins@google.com> Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>