46414496f7
This updates reporting of duplicate directives to use the position of the part directive. Change-Id: Ib9039cbbb30625d48c7995e93ae9293ef8fb8c8a Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/452400 Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: Chloe Stefantsova <cstefantsova@google.com> Reviewed-by: Erik Ernst <eernst@google.com>