8d7dfd6769
This adds add_null_check support for prefix operations, postfix operations, binary operations, and cascades. Bug: https://github.com/dart-lang/sdk/issues/43708 Change-Id: I2d1e80f2ccad58adfbac72400ce44efd48751833 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/188740 Commit-Queue: Samuel Rawlins <srawlins@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com>