modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/compile/fnul.c (about)

     1  main ()
     2  {
     3    int i;
     4    int f;
     5  
     6    for (i = 0;; i--)
     7      {
     8        f = 0;
     9  
    10        if ((i & (i - 1)) == 0)
    11  	{
    12  	  printf ("d");
    13  	  f = 1;
    14  	}
    15        if ((i & -i) == i)
    16  	{
    17  	  printf ("t");
    18  	  f = 1;
    19  	}
    20        if (f)
    21  	printf ("%d\n", i);
    22      }
    23  }