! { dg-do run }
integer(kind=8) o
open (10, status="scratch")
if (ftell(10) /= 0) call abort
write (10,"(A)") "1234567"
if (ftell(10) /= 8 .and. ftell(10) /= 9) call abort
o = ftell(10)
write (10,"(A)") "1234567"
if (ftell(10) /= 2 * o) call abort
close (10)
if (ftell(10) /= -1) call abort
end