f452e763e0
The only references that are promotable are references to variables, however in the near future I'll be adding logic to flor analysis to keep track of attempts to promote fields; this will require tracking references to property gets as well as references to `this`, so we need to start building up data structures to track those references. Bug: https://github.com/dart-lang/sdk/issues/38773 Change-Id: I0e3fd44f580bb85db3e8f405675b66aa4069e455 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/179280 Commit-Queue: Paul Berry <paulberry@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Reviewed-by: Johnni Winther <johnniwinther@google.com>