1  /* { dg-do compile } */
       2  /* { dg-additional-options "-ftree-vectorize" } */
       3  
       4  unsigned int
       5  yo (unsigned int o0, signed char s1)
       6  {
       7    for (s1 = 0; s1 < 1; s1 -= 2)
       8      o0 += o0;
       9  
      10    return o0 + s1;
      11  }