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! { dg-do compile }
! Tests the fix for PR31630, in which the association of the argument
! of 'cmp' did not work.
!
! Contributed by Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
!
module box_module
type box
integer :: m = 0
end type box
end module box_module
module sort_box_module
contains
subroutine heapsort_box(cmp)
interface
subroutine cmp(a)
use box_module
type(box) :: a
end subroutine cmp
end interface
optional :: cmp
end subroutine heapsort_box
end module sort_box_module
module boxarray_module
use box_module
implicit none
type boxarray
type(box), allocatable :: bxs(:)
end type boxarray
contains
subroutine boxarray_build_l(ba)
type(boxarray) :: ba
allocate(ba%bxs(1))
end subroutine boxarray_build_l
subroutine boxarray_sort()
use sort_box_module
call heapsort_box
end subroutine boxarray_sort
end module boxarray_module
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