1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-threadfull1-stats" } */
       3  
       4  void foo (int nest, int print_nest)
       5  {
       6    _Bool t0 = nest != 0;
       7    _Bool t1 = nest == print_nest;
       8    _Bool t2 = t0 & t1;
       9    if (t2)
      10      __builtin_puts ("x");
      11    nest++;
      12    if (nest > 2)
      13      __builtin_abort ();
      14    if (print_nest == nest)
      15      __builtin_puts ("y");
      16  }
      17  
      18  /* We should be able to thread (t2) to !(print_nest == nest) using the
      19     nest == print_nest relation implied by the entry block.  */
      20  /* { dg-final { scan-tree-dump "Jumps threaded: 1" "threadfull1" } } */