gcc/testsuite/gfortran.dg/namelist_26.f90

   1 ! { dg-do run }
   2 ! PR30918 Failure to skip commented out NAMELIST
   3 ! Before the patch, this read the commented out namelist and iuse would
   4 ! equal 2 when done.  Test case from PR.
   5 program gfcbug58
   6   implicit none
   7   integer            :: iuse = 0, ios
   8   integer, parameter :: nmlunit = 10    ! Namelist unit
   9   !------------------
  10   ! Namelist 'REPORT'
  11   !------------------
  12   character(len=12) :: type, use
  13   integer           :: max_proc
  14   namelist /REPORT/ type, use, max_proc
  15   !------------------
  16   ! Set up the test file
  17   !------------------
  18   open(unit=nmlunit, status="scratch")
  19   write(nmlunit, '(a)') "!================"
  20   write(nmlunit, '(a)') "! Namelist REPORT"
  21   write(nmlunit, '(a)') "!================"
  22   write(nmlunit, '(a)') "!      &REPORT use      = 'ignore'   / ! Comment"
  23   write(nmlunit, '(a)') "!"
  24   write(nmlunit, '(a)') " &REPORT type     = 'SYNOP'"
  25   write(nmlunit, '(a)') "         use      = 'active'"
  26   write(nmlunit, '(a)') "         max_proc = 20"
  27   write(nmlunit, '(a)') " /"
  28   rewind(nmlunit)
  29   !-------------------------------------
  30   ! Loop to read namelist multiple times
  31   !-------------------------------------
  32   do
  33      !----------------------------------------
  34      ! Preset namelist variables with defaults
  35      !----------------------------------------
  36      type      = ''
  37      use       = ''
  38      max_proc  = -1
  39      !--------------
  40      ! Read namelist
  41      !--------------
  42      read (nmlunit, nml=REPORT, iostat=ios)
  43      if (ios /= 0) exit
  44      iuse = iuse + 1
  45   end do
  46   if (iuse /= 1) call abort()
  47
  48 end program gfcbug58