g++ 4.4 came out before the C++11 standard was released. So I’m not sure how it’s a counterexample. C++11 was a standard under active development and so obvious

g++ 4.4 came out before the C++11 standard was released. So I’m not sure how it’s a counterexample. C++11 was a standard under active development and so obviously you can expect changes; its status at that time was comparable to rust nightly.