// Check that we handle bitfields as complex lvalues properly.struct A{  int i: 2;  int j: 2;  int k: 2;};A a, a2;bool b;void f ();int main (){  (f(), a.j) = 1;  (f(), a).j = 2;  (b ? a.j : a2.k) = 3;  (b ? a : a2).j = 0;  ++(a.j) = 1;  (a.j = 2) = 3;}