Manoj Srivastava <srivasta@debian.org> writes: > I note that this is not normative. I see no references in the > standard that require a particular behaviour on integer overflow, so > I guess the behaviour is undefined by omission (though particular > implementations may chose to have the behaviour well defined, if they > wish). I think the standard wants to allow for integer overflow to generate a signal, and that's why it is undefined.