And again, my favorite accidental usages of undefined behaviour in C++ are optimised into BS. (1) if (this == NULL): this is super useful in non-virtual functi

And again, my favorite accidental usages of undefined behaviour in C++ are optimised into BS. (1) if (this == NULL): this is super useful in non-virtual functions, because NULL is the object that subclasses all classes, so the only universal error object. (2) memset in operator new: in C++03, we did not have initialisers inside struct{}, so quicky zero the obj to avoid error-prone manual inits of all embedded ints. This is really becoming ridiculous. Having a notion of how C/C++ corresponds to what the machine will do seems to be more and more regarded as evil.