They don't call Clang a "clean-room implementation". Unlike Anthropic, who are calling their project exactly that
A clean-room implementation is when you implement a replacement by only looking at the behavior and documentation (possibly written by another person on your team who is not allowed to write code, only documentation).
A clean-room implementation is when you implement a replacement by only looking at the behavior and documentation (possibly written by another person on your team who is not allowed to write code, only documentation).