gcc/testsuite/gfortran.dg/inquire_internal.f90

   1 ! { dg-do run }
   2 !  Test case from PR61933.
   3    use iso_fortran_env
   4    logical :: unit_exists
   5    integer :: tunit, istat
   6    istat = 0
   7    tunit=-1 ! Represents an internal unit.
   8    unit_exists = .true.
   9    inquire(unit=tunit, exist=unit_exists, iostat=istat)
  10    !print *, "Error Code is : ", IOSTAT_INQUIRE_INTERNAL_UNIT
  11    !print *, "IOSTAT Code is: ", istat
  12    !print *, tunit, unit_exists
  13    if (istat.ne.iostat_inquire_internal_unit) STOP 1
  14    if (unit_exists) STOP 2
  15 END