1  /* PR tree-optimization/33723 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -fdump-tree-gimple" } */
       4  
       5  typedef union
       6  {
       7    struct
       8    {
       9      int f1, f2, f3, f4, f5, f6, f7, f8;
      10      long int f9, f10;
      11      int f11;
      12    } f;
      13    char s[4];
      14    long int a;
      15  } T;
      16  
      17  void test (T *);
      18  
      19  void
      20  foo1 (void)
      21  {
      22    T t;
      23    t = (T) { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } };
      24    test (&t);
      25  }
      26  
      27  void
      28  bar1 (void)
      29  {
      30    T t = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } };
      31    test (&t);
      32  }
      33  
      34  void
      35  baz1 (void)
      36  {
      37    T t;
      38    t = (const T) { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } };
      39    test (&t);
      40  }
      41  
      42  void
      43  foo2 (void)
      44  {
      45    T t;
      46    t = (T) { { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 } };
      47    test (&t);
      48  }
      49  
      50  void
      51  bar2 (void)
      52  {
      53    T t = { { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 } };
      54    test (&t);
      55  }
      56  
      57  void
      58  baz2 (void)
      59  {
      60    T t;
      61    t = (const T) { { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 } };
      62    test (&t);
      63  }
      64  
      65  void
      66  baz3 (void)
      67  {
      68    T t;
      69    t = (const T) (T) { { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 } };
      70    test (&t);
      71  }
      72  
      73  /* { dg-final { scan-tree-dump-not "t = D" "gimple"} } */