https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105578
--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to shuyu liu from comment #0) > `constexpr` does not work on PowerPC when you use `-mabi=ibmlongdouble`. That's a pretty bold claim! **Some** long double arithmetic does not work in constant expressions.
