https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119244
--- Comment #32 from Jakub Jelinek <jakub at gcc dot gnu.org> --- I think https://gcc.gnu.org/pipermail/gcc-patches/2025-April/680622.html should fix that (stop using libquadmath for COBOL altogether unless it is really needed (which means long double is not IEEE quad (so *l APIs can't be used) and one isn't using libc with *f128 APIs).