Regardless, type punning though a union is not undefined behavior in C the first place [1] [2]. On the other hand, it is undefined in C++, but GCC allows it th

Regardless, type punning though a union is not undefined behavior in C the first place [1] [2]. On the other hand, it is undefined in C++, but GCC allows it there too. [1] https://stackoverflow.com/questions/11639947/is-type-punning-through-a-union-unspecified-in-c99-and-has-it-become-specified https://stackoverflow.com/questions/11639947/is-type-punning... [2] https://stackoverflow.com/questions/25664848/unions-and-type-punning https://stackoverflow.com/questions/25664848/unions-and-type...