https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80071
--- Comment #2 from Samuel Lijin <sxlijin+gcc at gmail dot com> --- They are? That's a legitimate question, I'd never heard that before but I can totally believe it; I am looking through N4606 right now, though, and can't find anything that implies one way or another (maybe [lex.pptoken] and [cpp]?).
