gcc/testsuite/gfortran.dg/char_pointer_dependency.f90

   1 ! { dg-do run }
   2 ! { dg-options "-std=legacy" }
   3 !
   4 ! Test assignments from character pointer functions with dependencies
   5 ! are correctly resolved.
   6 ! Provided by Paul Thomas pault@gcc.gnu.org
   7 program char_pointer_dependency
   8   implicit none
   9   character*4, pointer       :: c2(:)
  10   allocate (c2(2))
  11   c2 = (/"abcd","efgh"/)
  12   c2 = afoo (c2)
  13   if (c2(1) /= "efgh") call abort ()
  14   if (c2(2) /= "abcd") call abort ()
  15   deallocate (c2)
  16 contains
  17   function afoo (ac0) result (ac1)
  18     integer                    :: j
  19     character*4                :: ac0(:)
  20     character*4, pointer       :: ac1(:)
  21     allocate (ac1(2))
  22     do j = 1,2
  23       ac1(j) = ac0(3-j)
  24     end do
  25   end function afoo
  26 end program char_pointer_dependency