gcc/testsuite/gcc.c-torture/execute/930603-3.c

   1 f (b, c)
   2      unsigned char *b;
   3      int c;
   4 {
   5   unsigned long v = 0;
   6   switch (c)
   7     {
   8     case 'd':
   9       v = ((unsigned long)b[0] << 8) + b[1];
  10       v >>= 9;
  11       break;
  12
  13     case 'k':
  14       v = b[3] >> 4;
  15       break;
  16
  17     default:
  18       abort ();
  19     }
  20
  21   return v;
  22 }
  23 main ()
  24 {
  25   char buf[4];
  26   buf[0] = 170; buf[1] = 5;
  27   if (f (buf, 'd') != 85)
  28     abort ();
  29   exit (0);
  30 }