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! { dg-do run }

program collapse2

  call test1

  call test2

contains

  subroutine test1

    integer :: i, j, k, a(1:3, 4:6, 5:7)

    logical :: l

    l = .false.

    a(:, :, :) = 0

    !$omp parallel do collapse(4 - 1) schedule(static, 4)

      do 164 i = 1, 3

        do 164 j = 4, 6

          do 164 k = 5, 7

            a(i, j, k) = i + j + k

164      end do

    !$omp parallel do collapse(2) reduction(.or.:l)

firstdo: do i = 1, 3

        do j = 4, 6

          do k = 5, 7

            if (a(i, j, k) .ne. (i + j + k)) l = .true.

          end do

        end do

      end do firstdo

    !$omp end parallel do

    if (l) call abort

  end subroutine test1

  subroutine test2

    integer :: a(3,3,3), k, kk, kkk, l, ll, lll

    !$omp do collapse(3)

      do 115 k=1,3

  dokk: do kk=1,3

          do kkk=1,3

            a(k,kk,kkk) = 1

          enddo

        enddo dokk

115   continue

    if (any(a(1:3,1:3,1:3).ne.1)) call abort

    !$omp do collapse(3)

 dol: do 120 l=1,3

  doll: do ll=1,3

          do lll=1,3

            a(l,ll,lll) = 2

          enddo

        enddo doll

120   end do dol

    if (any(a(1:3,1:3,1:3).ne.2)) call abort

  end subroutine test2

end program collapse2