b59bca4dc9
This will make it possible to use the same "mini AST" representation to test other shared FE/analyzer code. Change-Id: I8140bf1770f3bfe0ca8a959ba2c41babcb7852bb Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/193000 Reviewed-by: Johnni Winther <johnniwinther@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Commit-Queue: Paul Berry <paulberry@google.com>