3619d26f70
Emit as-casts and type-checks. The recipes and environments are dummy values, and there is no propagation of type information, so the code is pretty terrible. Change-Id: Iea8b7d7dddd4538187d88f12e9ed81439f74d0e1 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/106428 Commit-Queue: Stephen Adams <sra@google.com> Reviewed-by: Mayank Patke <fishythefish@google.com>