[Bug fortran/78659] Spurious "requires DTIO" reported against namelist statement

[jvdelisle at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78659

--- Comment #3 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
A few regressions related to not giving the error. Uncovers an ICE in
namelist_63.f90.