https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100157
--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to m.cencora from comment #5) > Yeah, __is_same builtin beats custom unique-id comparisons, but it is > available only since gcc-10 so unavailable for me. GCC has had __is_same_as since 6.1 though. Much later, __is_same was added as another spelling for it (PR 92271).
