modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/execute/pr68185.c (about)

     1  int a, b, d = 1, e, f, o, u, w = 1, z;
     2  short c, q, t;
     3  
     4  int
     5  main ()
     6  {
     7    char g;
     8    for (; d; d--)
     9      {
    10        while (o)
    11  	for (; e;)
    12  	  {
    13  	    c = b;
    14  	    int h = o = z;
    15  	    for (; u;)
    16  	      for (; a;)
    17  		;
    18  	  }
    19        if (t < 1)
    20  	g = w;
    21        f = g;
    22        g && (q = 1);
    23      }
    24  
    25    if (q != 1)
    26      __builtin_abort ();
    27  
    28    return 0;
    29  }