https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110793
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Barry Revzin from comment #0) > Notably, 13.1 C++20 and C++23 also compiles to just xor. > Probably because we don't use the extern template declarations for C++20.
