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! { dg-do run }

! This tests the fix for PR29315, in which array components of derived type arrays were

! not correctly passed to procedures because of a fault in the function that detects

! these references that do not have the span of a natural type.

!

! Contributed by Stephen Jeffrey  

!

program  test_f90

    integer, parameter :: N = 2

    type test_type

        integer a(N, N)

    end type

    type (test_type) s(N, N)

    forall (l = 1:N, m = 1:N) &

        s(l, m)%a(:, :) = reshape ([((i*l + 10*j*m +100, i = 1, N), j = 1, N)], [N, N])

    call test_sub(s%a(1, 1), 1000) ! Test the original problem.

    if ( any (s(1, 1)%a(:, :) /= reshape ([1111, 112, 121, 122], [2, 2]))) call abort ()

    if ( any (s(1, 2)%a(:, :) /= reshape ([1121, 122, 141, 142], [2, 2]))) call abort ()

    if ( any (s(2, 1)%a(:, :) /= reshape ([1112, 114, 122, 124], [2, 2]))) call abort ()

    if ( any (s(2, 2)%a(:, :) /= reshape ([1122, 124, 142, 144], [2, 2]))) call abort ()

    call test_sub(s(1, 1)%a(:, :), 1000)  ! Check "normal" references.

    if ( any (s(1, 1)%a(:, :) /= reshape ([2111,1112,1121,1122], [2, 2]))) call abort ()

    if ( any (s(1, 2)%a(:, :) /= reshape ([1121, 122, 141, 142], [2, 2]))) call abort ()

    if ( any (s(2, 1)%a(:, :) /= reshape ([1112, 114, 122, 124], [2, 2]))) call abort ()

    if ( any (s(2, 2)%a(:, :) /= reshape ([1122, 124, 142, 144], [2, 2]))) call abort ()

contains

  subroutine test_sub(array, offset)

    integer array(:, :), offset

    forall (i = 1:N, j = 1:N) &

        array(i, j) = array(i, j) + offset

  end subroutine

end program