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! { dg-do compile }
! PR20866 - A statement function cannot be recursive.
! Contributed by Joost VandeVondele <jv244@cam.ac.uk>
INTEGER :: i, st1, st2, st3
REAL :: x, z(2,2)
character*8 :: ch
!
! Test check for recursion via other statement functions, string
! length references, function actual arguments and array index
! references.
st1(i)=len(ch(st2(1):8))
st2(i)=max (st3(1), 4)
st3(i)=2 + cos (z(st1 (1), i)) ! { dg-error "is recursive" }
write(6,*) st1(1)
END
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