1 my_t::my_t()
1 my_t::say()
1 my_t::say()
1 my_t::say()
1 my_t::say()
1 my_t::say()
1 my_t::say()
1 my_t::~my_t()
buf size: 49
2 my_t::my_t()
2 my_t::say()
2 my_t::~my_t()
empty pointer
3 my_t::my_t()
3 my_t::say()
4 my_t::my_t()
5 my_t::my_t()
4 my_t::say()
5 my_t::say()
5 my_t::~my_t()
4 my_t::~my_t()
3 my_t::~my_t()
