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! { dg-do compile }

! { dg-options "-std=legacy" }

!

! Tests the fix for the second bit of PR29389, in which the

! statement function would not be recognised as not PURE

! when it referenced a procedure that is not PURE.

!

! This is based on stfunc_4.f90 with the statement function made

! impure by a reference to 'v'.

!

! Contributed by Francois-Xavier Coudert 

  INTEGER :: st1, i = 99, a(4), q = 6

  st1 (i) = i * i * i

  st3 (i) = i * v(i)

  FORALL(i=1:4) a(i) = st1 (i)

  FORALL(i=1:4) a(i) = u (a(i)) - a(i)** 2

  if (any (a .ne. 0)) call abort ()

  if (i .ne. 99) call abort ()

  FORALL (i=1:4) a(i) = st3 (i) ! { dg-error "non-PURE function" "non-PURE reference in FORALL" { xfail *-*-*} }

  FORALL (i=1:4) a(i) = v(i) ! { dg-error "non-PURE function" }

contains

  pure integer function u (x)

    integer,intent(in) :: x

    st2 (i) = i * v(i) ! { dg-error "non-PURE procedure" }

    u = st2(x)

  end function

  integer function v (x)

    integer,intent(in) :: x

    v = i

  end function

end