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! { dg-do run }

!

! PR39630: Fortran 2003: Procedure pointer components.

!

! Basic test for PPCs with SUBROUTINE interface and NOPASS.

!

! Contributed by Janus Weil 

  type t

    integer :: i

    procedure(sub), pointer, nopass :: ppc

    procedure(), pointer, nopass :: proc

  end type

  type, extends(t) :: t2

    procedure(), pointer, nopass :: proc2

  end type t2

  type(t) :: x

  type(t2) :: x2

  procedure(sub),pointer :: pp

  integer :: sum = 0

  x%i = 1

  x%ppc => sub

  pp => x%ppc

  call sub(1)

  if (sum/=1) call abort

  call pp(2)

  if (sum/=3) call abort

  call x%ppc(3)

  if (sum/=6) call abort

  ! calling object as argument

  x%proc => sub2

  call x%proc(x)

  if (x%i/=7) call abort

  ! type extension

  x%proc => sub

  call x%proc(4)

  if (sum/=10) call abort

  x2%proc => sub

  call x2%proc(5)

  if (sum/=15) call abort

  x2%proc2 => sub

  call x2%proc2(6)

  if (sum/=21) call abort

contains

  subroutine sub(y)

    integer, intent(in) :: y

    sum = sum + y

  end subroutine

  subroutine sub2(arg)

    type(t),intent(inout) :: arg

    arg%i = arg%i + sum

  end subroutine

end