1  /* PR debug/46867 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O -g" } */
       4  
       5  typedef __PTRDIFF_TYPE__ ptrdiff_t;
       6  
       7  extern void *bar (void);
       8  
       9  void
      10  foo (int x, char *r1, char *r2, __INTPTR_TYPE__ *rp, char *t)
      11  {
      12    char *tx = tx;
      13    char **cc = bar ();
      14    ptrdiff_t rx = r1 - r2;
      15    for (;;)
      16      {
      17        char *cp1 = (char *) *rp;
      18        char *cp2 = t;
      19        char *s;
      20        ptrdiff_t len = cp1 - tx + rx * (cp2 - cp1);
      21        while (len)
      22  	;
      23        for (s = tx; s; s++)
      24  	;
      25        while (s)
      26  	if (s == cc[s - r1])
      27  	  if (x)
      28  	    bar ();
      29        if (cp1)
      30  	tx = cp2;
      31      }
      32  }