On Itanium, each register contains a trap bit. Any uninitialized value might be a trap representation on that architecture. https://blogs.msdn.microsoft.com/ol

On Itanium, each register contains a trap bit. Any uninitialized value might be a trap representation on that architecture. https://blogs.msdn.microsoft.com/oldnewthing/20040119-00/?p=41003/ https://blogs.msdn.microsoft.com/oldnewthing/20040119-00/?p=...