8d24f7ebd4
Ensures the same optimizations to expressions statically typed as extension types. Issue: https://github.com/dart-lang/sdk/issues/49735 Change-Id: I981859562bdd81cf34bd5ed4160a270e6fdff9f3 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/342105 Reviewed-by: Mark Zhou <markzipan@google.com>