--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gfortran.dg/dtio_35.f90	Mon May 25 07:50:57 2020 +0900
@@ -0,0 +1,50 @@
+! { dg-compile }
+!
+! Reported by Vladimir Nikishkin
+! at https://stackoverflow.com/questions/60972134/whats-wrong-with-the-following-fortran-code-gfortran-dtio-dummy-argument-at#
+!
+
+module scheme
+
+  type, abstract :: scheme_object
+   contains
+     procedure, pass :: generic_scheme_print => print_scheme_object
+     generic, public :: write (formatted) => generic_scheme_print
+  end type scheme_object
+
+  abstract interface
+     subroutine packageable_procedure(  )
+       import scheme_object
+     end subroutine packageable_procedure
+  end interface
+contains
+
+  subroutine print_scheme_object(this, unit, iotype, v_list, iostat, iomsg)
+    class(scheme_object), intent(in) :: this
+    integer, intent(in)         :: unit
+    character(*), intent(in)    :: iotype
+    integer, intent(in)         :: v_list (:)
+    integer, intent(out)        :: iostat
+    character(*), intent(inout) :: iomsg
+    iostat = 1
+  end subroutine print_scheme_object
+
+  subroutine packaged_cons( )
+  end subroutine packaged_cons
+
+  function make_primitive_procedure_object( proc1 ) result( retval )
+    class(scheme_object), pointer :: retval
+    procedure(packageable_procedure), pointer :: proc1
+  end function make_primitive_procedure_object
+
+  subroutine ll_setup_global_environment()
+    procedure(packageable_procedure), pointer :: proc1
+    class(scheme_object), pointer :: proc_obj_to_pack
+    proc1 => packaged_cons
+    proc_obj_to_pack => make_primitive_procedure_object( proc1 )
+  end subroutine ll_setup_global_environment
+
+end module scheme
+
+program main
+end program main