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

   1 /* { dg-additional-options "-std=gnu89" } */
   2
   3 f (b, c)
   4      unsigned char *b;
   5      int c;
   6 {
   7   unsigned long v = 0;
   8   switch (c)
   9     {
  10     case 'd':
  11       v = ((unsigned long)b[0] << 8) + b[1];
  12       v >>= 9;
  13       break;
  14
  15     case 'k':
  16       v = b[3] >> 4;
  17       break;
  18
  19     default:
  20       abort ();
  21     }
  22
  23   return v;
  24 }
  25 main ()
  26 {
  27   char buf[4];
  28   buf[0] = 170; buf[1] = 5;
  29   if (f (buf, 'd') != 85)
  30     abort ();
  31   exit (0);
  32 }