https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109662
--- Comment #8 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> --- A side comment. We have a runtime function called "notify_std". Every time I try to use it I struggle as it is not intuitively obvious how it works. We ought to provide some better documentation on using it in the gfortran wiki.