It was this SO question that started this thread:

http://stackoverflow.com/q/17789928/576911

I'm curious: The accepted answer uses memcpy and the claim is that this is a correct answer to the question. That is it does not exhibit undefined behavior. My current understanding is that I agree with this answer. But I wanted to check here. Do people here agree that:

http://stackoverflow.com/a/17790026/576911

does not break the aliasing rules, or otherwise invoke undefined behavior?

Thanks,
Howard