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! { dg-do run }
! { dg-options "-Wpedantic" }
!
! PR fortran/53692
!
! Check that the nonabsent arrary is used for scalarization:
! Either the NONOPTIONAL one or, if there are none, any array.
!
! Based on a program by Daniel C Chen
!
Program main
implicit none
integer :: arr1(2), arr2(2)
arr1 = [ 1, 2 ]
arr2 = [ 1, 2 ]
call sub1 (arg2=arr2)
call two ()
contains
subroutine sub1 (arg1, arg2)
integer, optional :: arg1(:)
integer :: arg2(:)
! print *, fun1 (arg1, arg2)
if (size (fun1 (arg1, arg2)) /= 2) STOP 1
if (any (fun1 (arg1, arg2) /= [1,2])) STOP 2
end subroutine
elemental function fun1 (arg1, arg2)
integer,intent(in), optional :: arg1
integer,intent(in) :: arg2
integer :: fun1
fun1 = arg2
end function
end program
subroutine two ()
implicit none
integer :: arr1(2), arr2(2)
arr1 = [ 1, 2 ]
arr2 = [ 1, 2 ]
call sub2 (arr1, arg2=arr2)
contains
subroutine sub2 (arg1, arg2)
integer, optional :: arg1(:)
integer, optional :: arg2(:)
! print *, fun2 (arg1, arg2)
if (size (fun2 (arg1, arg2)) /= 2) STOP 3 ! { dg-warning "is an array and OPTIONAL" }
if (any (fun2 (arg1, arg2) /= [1,2])) STOP 4 ! { dg-warning "is an array and OPTIONAL" }
end subroutine
elemental function fun2 (arg1,arg2)
integer,intent(in), optional :: arg1
integer,intent(in), optional :: arg2
integer :: fun2
fun2 = arg2
end function
end subroutine two
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