1  /* { dg-do run } */
       2  /* { dg-options "-O3" } */
       3  
       4  int a;
       5  char b;
       6  int main() {
       7    char c = 0;
       8    for (; c != 3; c = c + 7) {
       9      a = b & a;
      10      if (a)
      11        break;
      12    }
      13    return 0;
      14  }