1 // { dg-do run }
2 // Copyright (C) 1999 Free Software Foundation, Inc.
3 // Contributed by Nathan Sidwell 6 Jun 1999 <nathan@acm.org>
4
5 // dynamic cast can only cast to public unambiguous bases
6
7 extern "C" void abort ();
8
~AA9 struct A {virtual ~A(){} int m; };
~BB10 struct B {virtual ~B(){} int m; };
11
12 struct C1 : A {int m;};
13 struct C2 : A {int m;};
14
15 // A is ambiguous, but private in one branch
16 struct D1 : B, C1, private C2 {int m;};
17 // A is ambiguous, and public in both branches
18 struct D2 : B, C1, C2 {int m;};
19
fn(B * bd1,B * bd2)20 void fn(B *bd1, B *bd2)
21 {
22 A *ad1;
23 A *ad2;
24
25 ad1 = dynamic_cast<A *>(bd1);
26 if(ad1) abort();
27 ad2 = dynamic_cast<A *>(bd2);
28 if(ad2) abort();
29 }
30
main()31 int main()
32 {
33 D1 d1;
34 D2 d2;
35
36 fn((B *)&d1, (B *)&d2);
37 return 0;
38 }
39