Can you name an open-source C or C++ project that you believe avoids undefined behavior? Because some people have spend serious time looking without success. E.g. <a href="http:&#x2F;&#x2F;blog.regehr.org&#x2F;archives&#x2F;1292" rel="nofollow">http:&#x2F;&#x2F;blog.regehr.org&#x2F;archives&#x2F;1292</a>