Fix `useScala2LibraryTasty` on non-bootstrapped#18733

nicolasstucki merged 1 commit intoscala:mainscala/scala3:mainfrom

dotty-staging:fix-useScala2LibraryTasty-on-non-bootstrappeddotty-staging/dotty:fix-useScala2LibraryTasty-on-non-bootstrappedCopy head branch name to clipboard