[Bug c/59708] clang-compatible checked arithmetic builtins

[josh at joshtriplett dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59708

--- Comment #6 from Josh Triplett <josh at joshtriplett dot org> ---
(In reply to joseph@codesourcery.com from comment #5)
> See what I said in <http://gcc.gnu.org/ml/gcc/2013-10/msg00280.html> about 
> the issues with something type-generic regarding detecting overflow on 
> types smaller than int.

Yeah, I'd agree with the conclusion in that mail: a type-generic version
primarily needs to care about the result type, since that's where overflow
would occur.