>Yeah, well some of us don't really seem to have the, uh, shellings for a copy.
The draft documents are freely available and the electronic copy is $18. There's a book from Wiley that's $60, and the official hardcopy is about $300. There's a range for everyone, so you've no excuses.
>Arithmetic overflow should never overwrite memory you don't own.
Signed overflow results in undefined behavior. The implementation could do anything, regardless of what the processor does internally.
