https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120711
--- Comment #3 from anlauf at gcc dot gnu.org --- (In reply to Andre Vehreschild from comment #1) > Confirmed, but this is not coarray dependent. For me it also crashes without > -fcoarray=single. Indeed. valgrind reports an invalid read with -fcoarray=none. But I do not see this on 14-branch.