https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109646
--- Comment #1 from Patrick Bégou <patrick.be...@univ-grenoble-alpes.fr> --- Using 12.2.1 as more recent versions of gfortran cannot compile this file (see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109622)