http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55544
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED CC| |jakub at gcc dot gnu.org Resolution| |INVALID --- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-11-30 12:42:38 UTC --- You need to use -fexcess-precision=standard or -std=c99 on i?86, the default is -fexcess-precision=fast unless -std=c99 (even for -std=gnu99). Otherwise it might be evaluated with excess precision, and the number in question fits into the 80-bit long double just fine.