1  /* This testcase failed on IA-32 at -O and above, because combine attached
       2     a REG_LABEL note to jump instruction already using JUMP_LABEL.  */
       3  
       4  extern void abort (void);
       5  extern void exit (int);
       6  
       7  enum X { A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q };
       8  
       9  void
      10  bar (const char *x, int y, const char *z)
      11  {
      12  }
      13  
      14  long
      15  foo (enum X x, const void *y)
      16  {
      17    long a;
      18  
      19    switch (x)
      20      {
      21      case K:
      22        a = *(long *)y;
      23        break;
      24      case L:
      25        a = *(long *)y;
      26        break;
      27      case M:
      28        a = *(long *)y;
      29        break;
      30      case N:
      31        a = *(long *)y;
      32        break;
      33      case O:
      34        a = *(long *)y;
      35        break;
      36      default:
      37        bar ("foo", 1, "bar");
      38      }
      39    return a;
      40  }
      41  
      42  int
      43  main ()
      44  {
      45    long i = 24;
      46    if (foo (N, &i) != 24)
      47      abort ();
      48    exit (0);
      49  }