Honest to a Segfault

#include <iostream>
 
using namespace std;
 
class Animal {
public:
    Animal() {
        cout < < "Animal!" << endl;
    }
};
 
class Man : public virtual Animal {
public:
    Man(string exclamation) {
        cout << "Man " << exclamation << "!" << endl;
    }
};
 
class Bear : public virtual Animal {
public:
    Bear(string exclamation) {
        cout << "Bear " << exclamation << "!" << endl;
    }
};
 
class Pig : public virtual Animal {
public:
    Pig(string exclamation) {
        cout << "Pig " << exclamation << "!" &lt;&lt; endl;
    }
};
 
class ManBearPig : public Man, public Bear, public Pig {
public:
    ManBearPig(string exclamation)
        : Pig(exclamation), Bear(exclamation), Man(exclamation)
    {
        cout << "ManBearPig " << exclamation << "!" << endl;
    }
};
 
int main() {
    ManBearPig mbp("away");
    return 0;
}

cdleary@gamma:~/projects/sandbox/sandbox_cpp$ g++ diamond.cpp && ./a.out
Animal!
Man away!
Bear away!
Pig away!
ManBearPig away!