99ff2be4f6
- fix let nodes used in top-level code - fix super sets and gets of non-final field - fix synthetic mixin class name using invalid characters - add an error class to dart:core to prevent front end crash on duplicate field initializers Change-Id: I552c8909ae2bcf957443e3dac3bd6c97c64f6ee1 Reviewed-on: https://dart-review.googlesource.com/35540 Commit-Queue: Jenny Messerly <jmesserly@google.com> Reviewed-by: Vijay Menon <vsm@google.com>