1  /* { dg-do run } */
       2  /* { dg-options "-O" } */
       3  
       4  struct in_addr {
       5  	unsigned int s_addr;
       6  };
       7  
       8  struct ip {
       9  	unsigned char ip_p;
      10  	unsigned short ip_sum;
      11  	struct	in_addr ip_src,ip_dst;
      12  } __attribute__ ((aligned(1), packed));
      13  
      14  struct ip ip_fw_fwd_addr;
      15  
      16  int test_alignment( char *m )
      17  {
      18    struct ip *ip = (struct ip *) m;
      19    struct in_addr pkt_dst;
      20    pkt_dst = ip->ip_dst ;
      21    if( pkt_dst.s_addr == 0 )
      22      return 1;
      23    else
      24      return 0;
      25  }
      26  
      27  int __attribute__ ((noinline, noclone))
      28  intermediary (char *p)
      29  {
      30    return test_alignment (p);
      31  }
      32  
      33  int
      34  main (int argc, char *argv[])
      35  {
      36    ip_fw_fwd_addr.ip_dst.s_addr = 1;
      37    return intermediary ((void *) &ip_fw_fwd_addr);
      38  }