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! { dg-do compile }

! Tests the fix for PR25072, in which non-PURE functions could

! be referenced inside a FORALL mask.

!

! Contributed by Paul Thomas  

!

module foo

  integer, parameter :: n = 4

contains

  logical function foot (i)

    integer, intent(in) :: i

    foot = (i == 2) .or. (i == 3)

  end function foot

end module foo

  use foo

  integer :: i, a(n)

  logical :: s(n)

  a = 0

  forall (i=1:n, foot (i)) a(i) = i  ! { dg-error "non-PURE" }

  if (any (a .ne. (/0,2,3,0/))) call abort ()

  forall (i=1:n, s (i) .or. t(i)) a(i) = i  ! { dg-error "non-PURE|LOGICAL" }

  if (any (a .ne. (/0,3,2,1/))) call abort ()

  a = 0

  forall (i=1:n, mod (i, 2) == 0) a(i) = w (i)  ! { dg-error "non-PURE" }

  if (any (a .ne. (/0,2,0,4/))) call abort ()

contains

  logical function t(i)

    integer, intent(in) :: i

    t = (mod (i, 2) == 0)

  end function t

  integer function w(i)

    integer, intent(in) :: i

    w = 5 - i

  end function w

end

! { dg-final { cleanup-modules "foo" } }