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! PR15620

! Check that evaluating a statement function doesn't affect the value of

! its dummy argument variables.

program st_function_2

  integer fn, a, b

  fn(a, b) = a + b

  if (foo(1) .ne. 43) call abort

  ! Check that values aren't modified when avaluating the arguments.

  a = 1

  b = 5

  if (fn (b + 2, a + 3) .ne. 11) call abort

contains

function foo (x)

  integer z, y, foo, x

  bar(z) = z*z

  z = 42

  t = bar(x)

  foo = t + z

end function

end program