1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-original" } */
       3  
       4  _Bool test1(int a, int b)
       5  {
       6    return a ? b : 0;
       7  }
       8  
       9  _Bool test2(int c, int d)
      10  {
      11    return c ? d : 1;
      12  }
      13  
      14  _Bool test3(int e, int f)
      15  {
      16    return e ? 0 : f;
      17  }
      18  
      19  _Bool test4(int g, int h)
      20  {
      21    return g ? 1 : h;
      22  }
      23  
      24  /* { dg-final { scan-tree-dump-times "a != 0 \&\& b != 0" 1 "original" } } */
      25  /* { dg-final { scan-tree-dump-times "c == 0 \\|\\| d != 0" 1 "original" } } */
      26  /* { dg-final { scan-tree-dump-times "e == 0 \&\& f != 0" 1 "original" } } */
      27  /* { dg-final { scan-tree-dump-times "g == 0 \\? h != 0 : 1" 0 "original" } } */
      28  /* { dg-final { scan-tree-dump-times "g != 0 \\? 1 : h != 0" 0 "original" } } */