9f6c372228
Fixes https://github.com/dart-lang/sdk/issues/41072 Relevant text from spec: > If $S_q$ is a generative const constructor, and $MC$ does > not declare any instance variables, $C_q$ is also a const > constructor. Relevant language tests: language_2/mixin_constructor_forwarding/const_constructor* Change-Id: I8ad9e9dd3907b5dd29aa8f10aab6ec604a1aaa4b Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/150682 Commit-Queue: Samuel Rawlins <srawlins@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Reviewed-by: Samuel Rawlins <srawlins@google.com>