AFAIK this very problem is addressed with introduction of move semantic and the goodness, which comes with it, such as unique_ptr instead of raw pointers. With

AFAIK this very problem is addressed with introduction of move semantic and the goodness, which comes with it, such as unique_ptr instead of raw pointers. With that default move assignment operator does the right thing by default. So C++ langauge development actually improves simplicity and correcness as least for this particular example.