1  /* PR target/78148 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -fcompare-debug" } */
       4  
       5  struct A { int a, b; };
       6  struct B { char c, d; };
       7  extern void bar (struct A, struct B);
       8  struct C { char e, f; } a;
       9  struct D
      10  {
      11    int g;
      12    struct C h[4];
      13  };
      14  struct D *e;
      15  
      16  struct D
      17  foo (void)
      18  {
      19    int b;
      20    struct B c;
      21    struct A d;
      22    d.b = c.c = c.d = 0;
      23    bar (d, c);
      24  }
      25  
      26  void
      27  baz ()
      28  {
      29    e->h[0].e = e->h[0].f = 0;
      30    foo ();
      31  }