1  /* PR 15349.  Merge two PHI nodes.  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O1 -fdump-tree-mergephi2" } */
       4  
       5  int
       6  foo (int a, int b)
       7  {
       8    int t;
       9  
      10    if (b)
      11      {
      12        if (a)
      13  	t = 3;
      14        else
      15  	t = 5;
      16  
      17        a = 0;
      18      }
      19    else
      20      t = 7;
      21  
      22    return t;
      23  }
      24  
      25  /* { dg-final { scan-tree-dump-times "PHI" 1 "mergephi2"} } */