1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-optimized" } */
       3  
       4  int foo(int x)
       5  {
       6      int p = x & 24;
       7      int r = 1 << p; 
       8      return r & (1<<17);
       9  }
      10  
      11  /* { dg-final { scan-tree-dump "return 0;" "optimized" } } */