https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64230
--- Comment #10 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > Do you see this too? Yes, and the test runs if I remove/comment the line Deallocate (x) The test gfortran.dg/class_allocate_18.f90 has the same problem: see pr64921. > I hope that reopening this PR is acceptable. If not then just let me know > and I will happily file a new one. IMO it is better to file a new PR rather than reopening an old one. In the present case, I think the problem reported in comment 9 is already tracked by pr64921 (duplicate).