https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71649
--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > Not darwin specific. Is the sample code valid? Good question! The ICE disappears if I rename the subroutine Compiler_Options or the ISO_FORTRAN_ENV one, e.g., opts => Compiler_Options. Anyway an ICE is not user friendly.