1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-optimized-raw" } */
       3  
       4  int f(int in) {
       5    in = in | 3;
       6    in = in ^ 1;
       7    in = (in & ~(unsigned long)1);
       8    return in;
       9  }
      10  
      11  /* { dg-final { scan-tree-dump-not "bit_and_expr" "optimized" } } */