1  /* { dg-do compile } */
       2  /* { dg-options "-O1 -fdump-tree-optimized" } */
       3  
       4  struct A
       5  {
       6    int i : 8;
       7  };
       8  
       9  signed char c1, c2;
      10  struct A a;
      11  
      12  int main()
      13  {
      14    a.i = c1;
      15    c2 = a.i;
      16    return a.i;
      17  }
      18  
      19  /* We should only store to a.i, not load from it.  */
      20  /* { dg-final { scan-tree-dump-not "= a.i" "optimized" } } */