1  /* { dg-do run } */
       2  /* { dg-options "-O2 -floop-nest-optimize" } */
       3  
       4  int rk, si = 0;
       5  int jr[2];
       6  
       7  int
       8  wv (signed char n8)
       9  {
      10    const int tw = 8;
      11    int xq[tw];
      12    int bj, pu = 0;
      13  
      14    for (bj = 0; bj < tw; ++bj)
      15      xq[bj] = 0;
      16  
      17    bj = 0;
      18    while (bj < 1)
      19      {
      20        int gs = n8 ^ 128;
      21  
      22        if (gs != 0)
      23  	{
      24  	  int u7[3];
      25  
      26  	  while (bj < 2)
      27  	    {
      28  	      u7[bj] = 0;
      29  	      ++bj;
      30  	    }
      31  
      32  	  jr[0] = u7[0];
      33  	  rk = xq[0];
      34  	  pu = n8;
      35  
      36  	  if (si != 0)
      37  	    return si;
      38  	}
      39      }
      40  
      41    return pu;
      42  }
      43  
      44  int
      45  main (void)
      46  {
      47    signed char ax = 1;
      48  
      49    if (wv (ax) != ax)
      50      __builtin_abort ();
      51    return 0;
      52  }