https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118592
--- Comment #2 from Joseph S. Myers ---
Actually, the _FloatN / _FloatNx functions are only reserved if the user
defines __STDC_WANT_IEC_60559_TYPES_EXT__ so maybe
DEF_EXT_LIB_FLOATN_NX_BUILTINS is right for them.
Excluding built-in functions w
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118592
--- Comment #1 from Joseph S. Myers ---
That's just a small subset of the ones coming to C23 via TS 18661-4. There are
also all the functions (added to glibc some years ago) that came via TS 18661-1
(we have roundeven, but not most of the rest).