d52dc104d4
Previously we considered such code "dead", but it's not really dead until Dart 3.0. Removing it changes weak mode semantics, and we don't want to do that automatically. Fixes #41231 Change-Id: I6a88f016b4f3fcba160dcb738558867219715cbb Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/143941 Reviewed-by: Samuel Rawlins <srawlins@google.com> Commit-Queue: Paul Berry <paulberry@google.com>