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typedef struct {

     double epsilon;

} material_type;

material_type foo(double x)

{

     material_type m;

     m.epsilon = 1.0 + x;

     return m;

}

main()

{

  int i;

  material_type x;

  /* We must iterate enough times to overflow the FP stack on the

     x86.  */

  for (i = 0; i < 10; i++)

    {

      x = foo (1.0);

      if (x.epsilon != 1.0 + 1.0)

        abort ();

    }

  exit (0);

}