#include <stdexcept>

class C {
    public :
        C() try {
            throw std::runtime_error("C::C");
        }
        catch (...) { }
};

int main() {
    C c;
}

terminate called after throwing an instance of 'std::runtime_error'
  what():  C::C

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.

C() {
    throw std::runtime_error("C::C");
}