https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100824
--- Comment #7 from 康桓瑋 <hewillk at gmail dot com> --- (In reply to Jonathan Wakely from comment #6) > And LWG 3403 was fixed by r12-1228. Hey, Jonathan, thank you for your contribution to gcc. Regarding the implementation of LWG 3403, the return type of __int128 is unsigned. I don't know if this is a typo.
