https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82626
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |i?86-*-* Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- from: http://en.cppreference.com/w/c/types/limits/FLT_EVAL_METHOD -1 the default precision is not known See http://pubs.opengroup.org/onlinepubs/009695399/basedefs/float.h.html also The use of evaluation formats is characterized by the implementation-defined value of FLT_EVAL_METHOD: -1 Indeterminable.