Subversion Repositories openrisc

! { dg-do run }

!

! PR fortran/51758

!

! Contributed by Mikael Morin

!

! Check whether passing NULL() to an elemental procedure works,

! where NULL() denotes an absent optional argument.

!

program p

  integer :: a(2)

  integer :: b

  a = 0

  a = foo((/ 1, 1 /), null())

!  print *, a

  if (any(a /= 2)) call abort

  a = 0

  a = bar((/ 1, 1 /), null())

!  print *, a

  if (any(a /= 2)) call abort

  b = 0

  b = bar(1, null())

!  print *, b

  if (b /= 2) call abort

contains

  function foo(a, b)

    integer           :: a(:)

    integer, optional :: b(:)

    integer           :: foo(size(a))

    if (present(b)) call abort

    foo = 2

  end function foo

  elemental function bar(a, b)

    integer, intent(in)           :: a

    integer, intent(in), optional :: b

    integer                       :: bar

    bar = 2

    if (present(b)) bar = 1

  end function bar

end program p