[Bug fortran/78854] [F03] DTIO namelist output not working on internal unit

[jvdelisle at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78854

--- Comment #11 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
Created attachment 40885
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40885&action=edit
A preliminary patch. Any and all testing greatly appreciated.

I am regression testing this now. I wanted to get it out tonight so others can
be looking at it sooner.  Need to think of some test cases.