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! Like char_result_3.f90, but the array arguments are pointers.

! { dg-do run }

pure elemental function double (x)

  integer, intent (in) :: x

  integer :: double

  double = x * 2

end function double

program main

  implicit none

  interface

    pure elemental function double (x)

      integer, intent (in) :: x

      integer :: double

    end function double

  end interface

  integer, dimension (100:104), target :: a

  integer, dimension (:), pointer :: ap

  integer :: i, lower

  a = (/ (i + 5, i = 0, 4) /)

  ap => a

  lower = 1

  call test (f1 (ap), 35)

  call test (f2 (ap), 115)

  call test (f3 (ap), 60)

  call test (f4 (ap, 5, 2), 21)

contains

  function f1 (array)

    integer, dimension (:), pointer :: array

    character (len = sum (array)) :: f1

    f1 = ''

  end function f1

  function f2 (array)

    integer, dimension (:), pointer :: array

    character (len = array (2) + a (104) + 100) :: f2

    f2 = ''

  end function f2

  function f3 (array)

    integer, dimension (:), pointer :: array

    character (len = sum (double (array (2:)))) :: f3

    f3 = ''

  end function f3

  function f4 (array, upper, stride)

    integer, dimension (:), pointer :: array

    integer :: upper, stride

    character (len = sum (array (lower:upper:stride))) :: f4

    f4 = ''

  end function f4

  subroutine test (string, length)

    character (len = *) :: string

    integer, intent (in) :: length

    if (len (string) .ne. length) call abort

  end subroutine test

end program main