modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/930719-1.c (about)

     1  int
     2  f (foo, bar, com)
     3  {
     4    unsigned align;
     5    if (foo)
     6      return 0;
     7    while (1)
     8      {
     9        switch (bar)
    10  	{
    11  	case 1:
    12  	  if (com != 0)
    13   	    return align;
    14  	  *(char *) 0 = 0;
    15  	}
    16      }
    17  }
    18  
    19  main ()
    20  {
    21    f (0, 1, 1);
    22    exit (0);
    23  }