Ticket #4980: bug.cc

#include <exception>
#include <iostream>
#include <boost/intrusive/set.hpp>
using namespace std;
using namespace boost::intrusive;

class ex : public std::exception {
public:
        virtual const char * what() const throw() {
                return "diediedie";
        }
};

struct evil {
        set_member_hook<> hook;

        bool operator< (const evil& b) const {
                cout << __func__ << endl;
                throw ex();
        }
        bool operator> (const evil& b) const {
                cout << __func__ << endl;
                throw ex();
        }
};

typedef multiset<evil, member_hook<evil, set_member_hook<>, &evil::hook> > mus;

int main () {
        evil x, y;
        mus set;
        cout << set.size() << endl;
        set.insert(x);
        cout << set.size() << endl;
        try {
                set.insert(y);
        } catch(exception &e) {
                cout << e.what() << endl;
        }
        cout << set.size() << endl;
        for (mus::iterator i = set.begin(); i != set.end(); ++i)
                cout << '.';
        cout << endl;
}
/*** OUTPUT: ***
0
1
operator<
diediedie
2
.
*** EXPECTED OUTPUT:
0
1
operator<
diediedie
1
.
***************/