https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61156
--- Comment #6 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> --- Proposed patch: diff --git a/gcc/fortran/scanner.c b/gcc/fortran/scanner.c index c1d79457..c4e7974e 100644 --- a/gcc/fortran/scanner.c +++ b/gcc/fortran/scanner.c @@ -336,7 +336,7 @@ add_path_to_list (gfc_directorylist **list, const char *path, } else if (!S_ISDIR (st.st_mode)) { - gfc_warning_now (0, "%qs is not a directory", path); + gfc_fatal_error ("%qs is not a directory", path); return; }