1  /* { dg-do compile } */
       2  /* { dg-options "-O -ftree-pre -ftree-vectorize -fno-tree-pta" } */
       3  
       4  void
       5  qf (void);
       6  
       7  void
       8  mr (short int db)
       9  {
      10    int vq;
      11    short int *lp = &db;
      12  
      13    for (vq = 0; vq < 1; ++vq)
      14      qf ();
      15  
      16    while (*lp < 2)
      17      {
      18        *lp = db;
      19        lp = (short int *) &vq;
      20        ++*lp;
      21      }
      22  }
      23