gcc/testsuite/gfortran.dg/char_pointer_dummy.f90

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