1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-fre1-details" } */
       3  
       4  struct X
       5  {
       6     int a : 1;
       7     int b : 1;
       8  } x;
       9  
      10  void foo (int v)
      11  {
      12    x.a = 1;
      13    x.b = v;
      14    x.a = 1;
      15    x.b = v;
      16  }
      17  
      18  struct Y
      19  {
      20     _Bool a;
      21     _Bool b;
      22  } y;
      23  
      24  void bar (int v)
      25  {
      26    y.a = 1;
      27    y.b = v;
      28    y.a = 1;
      29    y.b = v;
      30  }
      31  
      32  /* { dg-final { scan-tree-dump-times "Deleted redundant store" 4 "fre1" } } */