1  /* { dg-do compile } */
       2  /* { dg-options "-fdump-tree-ealias-details -O2" } */
       3  
       4  typedef struct
       5  {
       6    int data16;
       7  }
       8  list_data;
       9  void
      10  fn1 (list_data * p1)
      11  {
      12      p1->data16 = p1->data16 & 1 & p1->data16 >> 1;
      13  }
      14