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/* PR debug/46867 */

/* { dg-do compile } */

/* { dg-options "-O -g" } */

typedef __PTRDIFF_TYPE__ ptrdiff_t;

extern void *bar (void);

void

foo (int x, char *r1, char *r2, __INTPTR_TYPE__ *rp, char *t)

{

  char *tx = tx;

  char **cc = bar ();

  ptrdiff_t rx = r1 - r2;

  for (;;)

    {

      char *cp1 = (char *) *rp;

      char *cp2 = t;

      char *s;

      ptrdiff_t len = cp1 - tx + rx * (cp2 - cp1);

      while (len)

        ;

      for (s = tx; s; s++)

        ;

      while (s)

        if (s == cc[s - r1])

          if (x)

            bar ();

      if (cp1)

        tx = cp2;

    }

}