// { 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; | |
} | |
} |