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C { dg-do run }

C { dg-additional-sources c_by_val.c }

C { dg-options "-ff2c -w -O0" }

      program c_by_val_1

      external   f_to_f, i_to_i, c_to_c

      real       a, b, c

      integer*4  i, j, k

      complex    u, v, w, c_to_c

      a = 42.0

      b = 0.0

      c = a

      call  f_to_f (b, %VAL (a), %REF (c), %LOC (c))

      if ((2.0 * a).ne.b) call abort ()

      i = 99

      j = 0

      k = i

      call i_to_i (j, %VAL (i), %REF (k), %LOC (k))

      if ((3 * i).ne.j) call abort ()

      u = (-1.0, 2.0)

      v = (1.0, -2.0)

      w = u

      v = c_to_c (%VAL (u), %REF (w), %LOC (w))

      if ((4.0 * u).ne.v) call abort ()

      stop

      end