1  /* PR tree-optimization/108638 */
       2  
       3  long long a;
       4  int b;
       5  
       6  void
       7  foo (void)
       8  {
       9    for (a = 0; a < __SIZEOF_LONG_LONG__ * __CHAR_BIT__; a++)
      10      if (b)
      11        b |= a << a;
      12  }