gcc/testsuite/gcc.c-torture/execute/990531-1.c

   1    unsigned long bad(int reg, unsigned long inWord)
   2    {
   3        union {
   4            unsigned long word;
   5            unsigned char byte[4];
   6        } data;
   7
   8        data.word = inWord;
   9        data.byte[reg] = 0;
  10
  11        return data.word;
  12    }
  13
  14 main()
  15 {
  16   /* XXX This test could be generalized.  */
  17   if (sizeof (long) != 4)
  18     exit (0);
  19
  20   if (bad (0, 0xdeadbeef) == 0xdeadbeef)
  21     abort ();
  22   exit (0);
  23 }