https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90374
--- Comment #28 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jerry DeLisle <jvdeli...@gcc.gnu.org>: https://gcc.gnu.org/g:82033483fd74b1dcedab416d98673e212258498d commit r10-6057-g82033483fd74b1dcedab416d98673e212258498d Author: Jerry DeLisle <jvdeli...@gcc.gnu.org> Date: Fri Jan 17 11:26:10 2020 -0800 PR90374 Zero width format specifiers. PR libfortran/90374 * io/format.c (parse_format_list): Zero width not allowed with FMT_D. * io/write_float.def (build_float_string): Include range of higher exponent values that require wider width.