http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60128
--- Comment #23 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > I'm not sure that's the problem: AFAICS snprintf is only used by > io/write_float.def (output_float:734) to print the exponent, the rest is > handled by quadmath_snprintf. The failing tests assume round to nearest. AFAICT quadmath_snprintf round to zero on solaris.