Here is another. In C, union types support type punning. In C++, they broke that guarantee, so if you compile C code that uses a union type as C++ code, it coul

Here is another. In C, union types support type punning. In C++, they broke that guarantee, so if you compile C code that uses a union type as C++ code, it could be broken. It would be nice to know why they broke this. My guess is that it violated the strong type philosophy of C++ and thus had to be broken on ideological grounds. C++ also broke implicit void pointer conversions, but at least that one had the reason that it was incompatible with function overloading. Not that anyone involved with C++ would tell you this. Instead, they provide bad C code that breaks the strict aliasing rule and claim that breaking implicit void pointer conversions somehow follows from it when in reality that is a non-sequitur: https://www.stroustrup.com/bs_faq2.html#void-ptr https://www.stroustrup.com/bs_faq2.html#void-ptr