List of subclasses without default of copy constructors with 1 allocation per node

superlist.cpp

#include <new>
template <typename T>
struct cons
{
        cons<T> *next;
        char fake;
};

class evil
{
        evil(const evil &) {};
public:
        evil(int, int) {};
        virtual int answer() { return 42; };
};

class devil : public evil
{
        int x;
public:
        devil(int _x) : x(_x), evil(666,666) {};
        virtual int answer() { return x; };
};

typedef cons<evil> list;

list * head;

void addEvil()
{
        list * x = (list*)new char[sizeof(cons<evil>) - sizeof(char) + sizeof(evil)];
        new (&x->fake) evil(42,42);
        x->next = head;
        head = x;
}

void addDevil(int xx) {};