1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-optimized" } */
       3  
       4  typedef struct {
       5    int i;
       6    int j;
       7    int k;
       8  } Foo;
       9  
      10  void bar(Foo*);
      11  int foo(void)
      12  {
      13    Foo a;
      14    a.i = 1;
      15    bar(&a);
      16    return a.i;
      17  }
      18  
      19  /* Verify the call clobbers all of a.  */
      20  
      21  /* { dg-final { scan-tree-dump-not "return 1;" "optimized" } } */