old-autovect-branch/gcc/testsuite/gfortran.dg/pr16597.f90

   1 ! { dg-do run }
   2 ! pr 16597
   3 ! libgfortran
   4 ! reading a direct access record after it was written did
   5 ! not always return the correct data.
   6
   7       program gfbug4
   8       implicit none
   9
  10       integer      strlen
  11       parameter    (strlen = 4)
  12
  13       integer      iunit
  14       character    string *4
  15
  16       iunit = 99
  17       open (UNIT=iunit,FORM='unformatted',ACCESS='direct',RECL=strlen)
  18       write (iunit, rec=1) 'ABCD'
  19       read (iunit, rec=1) string
  20       close (iunit)
  21       if (string.ne.'ABCD') call abort
  22
  23       open (UNIT=iunit,FORM='unformatted',ACCESS='direct',STATUS='scratch',RECL=strlen)
  24       write (iunit, rec=1) 'ABCD'
  25       read (iunit, rec=1) string
  26       close (iunit)
  27       if (string.ne.'ABCD') call abort
  28       end