gcc/testsuite/gfortran.dg/backspace_2.f

   1 ! { dg-do run { target fd_truncate } }
   2 ! PR25139 Repeated backspaces and reads.
   3 ! Derived from example given in PR by Dale Ranta and FX Coudert
   4 ! Contributed by Jerry DeLisle  <jvdelisle@gcc.gnu.org>
   5       integer dat(5)
   6       dat = (/ 0, 0, 0, 0, 1 /)
   7       write(11) dat,dat,dat,dat
   8       rewind 11
   9       write(11) dat
  10       read(11,end=1008) dat
  11       call abort()
  12  1008 continue
  13       backspace 11
  14       write(11) dat
  15       read(11,end=1011) dat
  16       call abort()
  17  1011 continue
  18       backspace 11
  19       backspace 11
  20       close(11, status='delete')
  21       end
  22