2 // GROUPS passed vtable
3 extern "C" int printf (const char *, ...);
4 extern "C" void exit(int);
8 virtual const char* f1() { return "A::f1"; }
9 virtual const char* f2() { return "A::f2"; }
10 virtual const char* f3() { printf("FAIL\n"); exit(1); return "A::f3"; }
15 virtual const char* f2() { return "B::f2"; }
16 virtual const char* f3() { return "B::f3"; }
19 class C: public A, public B {
21 const char* f2() { return B::f2(); }
22 const char* f1() { return f2(); }
23 const char* f3() { return A::f3(); }
26 class D: public A, public B {
28 const char* f2() { return B::f2(); }
29 const char* f1() { return D :: f2(); }
30 const char* f3() { return A::f3(); }
37 printf("calling f1 on a C gives %s\n", a->f1());
39 printf("calling f1 on a D gives %s\n", a->f1());