1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-cddce1" } */
       3  
       4  int main()
       5  {
       6    while(1)
       7      for(int i=0; i<9000000; i++){}
       8  }
       9  
      10  /* { dg-final { scan-tree-dump-not "if" "cddce1" } } */