Fix #21841: Check more that an `unapplySeq` on a `NonEmptyTuple` is valid.#22366

odersky merged 1 commit intoscala:mainscala/scala3:mainfrom

dotty-staging:fix-unapplyseq-nonemptytupledotty-staging/dotty:fix-unapplyseq-nonemptytupleCopy head branch name to clipboard