gcc/testsuite/gcc.c-torture/execute/930126-1.c

   1 struct s {
   2   unsigned long long a:8, b:32;
   3 };
   4
   5 struct s
   6 f(struct s x)
   7 {
   8   x.b = 0xcdef1234;
   9   return x;
  10 }
  11
  12 main()
  13 {
  14   static struct s i;
  15   i.a = 12;
  16   i = f(i);
  17   if (i.a != 12 || i.b != 0xcdef1234)
  18     abort();
  19   exit(0);
  20 }