25     B(const B& a) : id_(a.id_) {count++;}  in B()
37     C1(const C1& a) : B(a.id_-2), id_(a.id_) {count++;}  in C1()
49     C2(const C2& a) : B(a.id_-2), id_(a.id_) {count++;}  in C2()
61     A(const A& a) : C1(a.id_-1), C2(a.id_-2), B(a.id_+3), id_(a.id_) {count++;}  in A()
67 A a(5);  variable
71     throw &a;  in f1()
82     catch (const A* a)  // can catch A  in f2()  local
84         assert(a->id_ == 5);  in f2()
85         assert(static_cast<const C1*>(a)->id_ == 4);  in f2()
86         assert(static_cast<const C2*>(a)->id_ == 3);  in f2()
87         assert(static_cast<const B*>(a)->id_ == 8);  in f2()
111     catch (const B* a)  // can catch B  in f3()  local
113         assert(static_cast<const B*>(a)->id_ == 8);  in f3()
138     catch (const B* a)  in f4()  local
161     catch (const B* a)  in f5()  local