1  /* { dg-do run } */
       2  /* { dg-options "-fstrict-volatile-bitfields" } */
       3  
       4  extern void abort(void);
       5  struct thing {
       6    volatile unsigned short a: 8;
       7    volatile unsigned short b: 8;
       8  } t = {1,2};
       9  
      10  int main()
      11  {
      12    t.a = 3;
      13    if (t.a !=3 || t.b !=2) abort();
      14    return 0;
      15  }