1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-dse1-details" } */
       3  
       4  struct A { int x; double y; };
       5  void f (struct A *a) {
       6    *a = *a;
       7  }
       8  
       9  /* { dg-final { scan-tree-dump "Deleted dead store" "dse1"} } */