https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89841
--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- A patch has been posted at https://gcc.gnu.org/ml/fortran/2019-03/msg00142.html and approved at https://gcc.gnu.org/ml/fortran/2019-03/msg00143.html