virtual_table_at_head created by Hexe - https://repl.it/@Hexe/virtualtableathead

virtual_table_at_head.cpp

#include <iostream>

struct A
{
    int data[2];

    A(int x, int y) : data{x, y} {}
    virtual void f() {}
};

int main(int argc, char **argv)
{
    A a(22, 33);

    int *arr = (int *) &a;
    std::cout << arr[2] << std::endl;

    return 0;
}