fix(#19266): better warning for impure synthetic lambda in stmt position#19540

i10416 wants to merge 9 commits intoscala:mainscala/scala3:mainfrom

i10416:fix/19266-inconsistency-in--method-with-params-listi10416/dotty:fix/19266-inconsistency-in--method-with-params-listCopy head branch name to clipboard