> But you are never going to rewrite the gazillion or so lines of C++ out there, and currently being used in all sorts of production systems. We are, because w

> But you are never going to rewrite the gazillion or so lines of C++ out there, and currently being used in all sorts of production systems. We are, because we will have to, and the momentum is already gathering. Foundational tools and libraries are already being rewritten. More will follow. > But if you have a beter compiler that points out more of the problem UB areas in your codebase, then you have somewhere you can make a start towards reducing the issues and attack surface. Sure. But fixing those is going to be harder and less effective than rewriting.