blob: a04e9a6df6f231b65048cdea413b893e0b4db820 [file] [log] [blame]
! { 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)) STOP 1
a = 0
a = bar((/ 1, 1 /), null())
! print *, a
if (any(a /= 2)) STOP 2
b = 0
b = bar(1, null())
! print *, b
if (b /= 2) STOP 3
contains
function foo(a, b)
integer :: a(:)
integer, optional :: b(:)
integer :: foo(size(a))
if (present(b)) STOP 4
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