1  /* PR c/34146 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -fdump-tree-gimple" } */
       4  
       5  struct A
       6  {
       7    int f1, f2, f3;
       8  };
       9  
      10  struct B
      11  {
      12    struct A g1, g2;
      13  };
      14  
      15  struct C
      16  {
      17    struct B h1, h2;
      18  };
      19  
      20  typedef union
      21  {
      22    struct C c;
      23    char s[4];
      24    long int a;
      25  } T;
      26  
      27  void test (T *);
      28  
      29  void
      30  foo (void)
      31  {
      32    T t = { { { { 0, 0, 0 }, { 0, 0, 0 } }, { { 0, 0, 0 }, { 0, 0, 0 } } } };
      33    test (&t);
      34  }
      35  
      36  void
      37  bar (void)
      38  {
      39    T t = { { { { 0, 0, 0 }, (struct A) { 0, 0, 0 } },
      40  	    (struct B) { (struct A) { 0, 0, 0 }, { 0, 0, 0 } } } };
      41    test (&t);
      42  }
      43  
      44  void
      45  baz (void)
      46  {
      47    T t = { { { { 0, 0, 0 }, (struct A) { 1, 1, 1 } },
      48  	    (struct B) { (struct A) { 0, 0, 0 }, { 1, 1, 1 } } } };
      49    test (&t);
      50  }
      51  
      52  /* { dg-final { scan-tree-dump-not "t = D" "gimple"} } */
      53  /* { dg-final { scan-tree-dump-not "t\.c\.h\[12\] = D" "gimple"} } */
      54  /* { dg-final { scan-tree-dump-not "\.g\[12\] = D" "gimple"} } */