These are three linked articles discussing UndefinedBehavior in relation to CeeLanguage and CeePlusPlus, in particular how they are handled by Clang(CeeLanguageFamilyFrontEnd)
#47: Don't use C.
;-)O.K. but this page is not about all possible advice. This is a reference to some specific information which may be useful to people who do program in C or C++.
CeePlusPlusRoadMap (which covers C as well).