| // { dg-do run } | |
| // { dg-options "-fexceptions" } | |
| #include <typeinfo> | |
| #include <stdexcept> | |
| class A { | |
| public: | |
| virtual void j () {} | |
| }; | |
| class B : public A { }; | |
| void x (A& a) { | |
| // These should all work. | |
| const B& b2 = dynamic_cast<B&>(a); | |
| const B& b3 = dynamic_cast<const B&>((const A&)a); | |
| const B& b4 = dynamic_cast<const B&>(a); | |
| } | |
| int main() { | |
| try { | |
| B b; | |
| x (b); | |
| } catch (std::exception& e) { | |
| // If we get a bad_cast, it is wrong. | |
| return 1; | |
| } | |
| } |