https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102280
--- Comment #2 from Joe Loser <joeloser93 at gmail dot com> --- Sorry, typo in previous comment. The `span` range deduction guide should constrain on `ranges::contiguous_range`, not `contiguous_iterator` concept -- sorry. This is from P1394 (https://wg21.link/p1394).
