gcc/testsuite/gfortran.dg/char_pointer_dummy.f90

   1 ! { dg-do run }
   2 ! { dg-options "-std=legacy" }
   3 !
   4 program char_pointer_dummy
   5 ! Test character pointer dummy arguments, required
   6 ! to fix PR16939 and PR18689
   7 ! Provided by Paul Thomas pault@gcc.gnu.org
   8   implicit none
   9   character*4                :: c0
  10   character*4, pointer       :: c1
  11   character*4, pointer       :: c2(:)
  12   allocate (c1, c2(1))
  13 ! Check that we have not broken non-pointer characters.
  14   c0 = "wxyz"
  15   call foo (c0)
  16 ! Now the pointers
  17   c1 = "wxyz"
  18   call sfoo (c1)
  19   c2 = "wxyz"
  20   call afoo (c2)
  21   deallocate (c1, c2)
  22 contains
  23   subroutine foo (cc1)
  24     character*4                :: cc1
  25     if (cc1 /= "wxyz") STOP 1
  26   end subroutine foo
  27   subroutine sfoo (sc1)
  28     character*4, pointer       :: sc1
  29     if (sc1 /= "wxyz") STOP 2
  30   end subroutine sfoo
  31   subroutine afoo (ac1)
  32     character*4, pointer       :: ac1(:)
  33     if (ac1(1) /= "wxyz") STOP 3
  34   end subroutine afoo
  35 end program char_pointer_dummy
  36