modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/compile/20011114-3.c (about)

     1  typedef struct { int s, t; } C;
     2  C x;
     3  int foo (void);
     4  void bar (int);
     5  
     6  int baz (void)
     7  {
     8    int a = 0, c, d = 0;
     9    C *b = &x;
    10  
    11    while ((c = foo ()))
    12      switch(c)
    13        {
    14        case 23:
    15  	bar (1);
    16  	break;
    17        default:
    18  	break;
    19        }
    20  
    21    if (a == 0 || (a & 1))
    22      {
    23        if (b->s)
    24  	{
    25  	  if (a)
    26  	    bar (1);
    27  	  else
    28  	    a = 16;
    29  	}
    30        else if (b->t)
    31  	{
    32  	  if (a)
    33  	    bar (1);
    34  	  else
    35  	    a = 32;
    36  	}
    37      }
    38  
    39    if (d && (a & ~127))
    40      bar (2);
    41    return 0;
    42  }