! { dg-do run } interface elemental subroutine sub1 (x, y) integer, intent(in) :: y integer, intent(out) :: x end subroutine elemental function fn2 (x) integer, intent(in) :: x integer :: fn2 end function end interface !$omp declare reduction (foo : integer : omp_out = omp_out + omp_in) initializer (omp_priv = 0) !$omp declare reduction (bar : integer : omp_out = fn1 (omp_out, omp_in)) & !$omp & initializer (sub1 (omp_priv, omp_orig)) !$omp declare reduction (baz : integer : sub2 (omp_out, omp_in)) & !$omp initializer (omp_priv = fn2 (omp_orig)) interface elemental function fn1 (x, y) integer, intent(in) :: x, y integer :: fn1 end function elemental subroutine sub2 (x, y) integer, intent(in) :: y integer, intent(inout) :: x end subroutine end interface integer :: a(10), b, r a(:) = 0 b = 0 r = 0 !$omp parallel reduction (foo : a, b) reduction (+: r) a = a + 2 b = b + 3 r = r + 1 !$omp end parallel if (any (a /= 2 * r) .or. b /= 3 * r) stop 1 a(:) = 0 b = 0 r = 0 !$omp parallel reduction (bar : a, b) reduction (+: r) a = a + 2 b = b + 3 r = r + 1 !$omp end parallel if (any (a /= 4 * r) .or. b /= 6 * r) stop 2 a(:) = 0 b = 0 r = 0 !$omp parallel reduction (baz : a, b) reduction (+: r) a = a + 2 b = b + 3 r = r + 1 !$omp end parallel if (any (a /= 2 * r) .or. b /= 3 * r) stop 3 end elemental function fn1 (x, y) integer, intent(in) :: x, y integer :: fn1 fn1 = x + 2 * y end function elemental subroutine sub1 (x, y) integer, intent(in) :: y integer, intent(out) :: x x = 0 end subroutine elemental function fn2 (x) integer, intent(in) :: x integer :: fn2 fn2 = x end function elemental subroutine sub2 (x, y) integer, intent(inout) :: x integer, intent(in) :: y x = x + y end subroutine