https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65781
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Please see https://gcc.gnu.org/develop.html . Basically 5.1.0 is the version for the released version 5.0.1 is for prereleases.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65781
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Please see https://gcc.gnu.org/develop.html . Basically 5.1.0 is the version for the released version 5.0.1 is for prereleases.