1! Test the collapse and reduction loop clauses inside a kernels region.
2
3! { dg-do run }
4
5program collapse4
6  integer :: i, j, k, a(1:7, -3:5, 12:19), b(1:7, -3:5, 12:19)
7  logical :: l, r
8  l = .false.
9  r = .false.
10  a(:, :, :) = 0
11  b(:, :, :) = 0
12  !$acc kernels
13  !$acc loop collapse (3) reduction (.or.:l)
14    do i = 2, 6
15      do j = -2, 4
16        do k = 13, 18
17          l = l.or.i.lt.2.or.i.gt.6.or.j.lt.-2.or.j.gt.4
18          l = l.or.k.lt.13.or.k.gt.18
19          if (.not.l) a(i, j, k) = a(i, j, k) + 1
20        end do
21      end do
22    end do
23  !$acc end kernels
24  do i = 2, 6
25    do j = -2, 4
26      do k = 13, 18
27        r = r.or.i.lt.2.or.i.gt.6.or.j.lt.-2.or.j.gt.4
28        r = r.or.k.lt.13.or.k.gt.18
29        if (.not.l) b(i, j, k) = b(i, j, k) + 1
30      end do
31    end do
32  end do
33  if (l .neqv. r) stop 1
34  do i = 2, 6
35    do j = -2, 4
36      do k = 13, 18
37         if (a(i, j, k) .ne. b(i, j, k)) stop 2
38      end do
39    end do
40  end do
41end program collapse4
42