[Bug libstdc++/108200] std::format fails on AIX due to __float128 not being supported by std::to_chars for -maix64 -mlong-double-128

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108200

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|std::format fails on AIX    |std::format fails on AIX
                   |due to __float128 not being |due to __float128 not being
                   |supported by std::to_chars  |supported by std::to_chars
                   |                            |for -maix64
                   |                            |-mlong-double-128

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
This is only for the -maix64 -mlong-double-128 multilib.