#include <exception>
#include <iostream>
#include <string>

using namespace std;

class
//__attribute__((visibility("hidden")))
MyException : public exception
{
private:
    string __text;
public:
    MyException( const string& text ) : exception(), __text(text) { }
    virtual ~MyException() throw() { }
    virtual const char* what() const throw() { return __text.c_str(); }
};

void
doit()
{
    cout << __PRETTY_FUNCTION__ << endl;
    throw MyException("interesting");
}