1  /* PR middle-end/17112 */
       2  /* { dg-do run } */
       3  /* { dg-require-effective-target int32plus } */
       4  /* { dg-options "-O2" } */
       5  
       6  extern void abort(void);
       7  
       8  typedef struct {
       9    int int24:24  __attribute__ ((packed));
      10  } myint24;
      11  
      12  myint24 x[3] = {
      13    0x123456,
      14    0x789abc,
      15    0xdef012
      16  };
      17  
      18  myint24 y[3];  // starts out as zeros
      19  
      20  void foo()
      21  {
      22    y[1] = x[1];
      23  }
      24  
      25  int main()
      26  {
      27    foo();
      28  
      29    if (y[0].int24 != 0 || y[2].int24 != 0)
      30      abort();
      31    return 0;
      32  }
      33