https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108063
--- Comment #6 from jo.rickert at protonmail dot ch --- (In reply to Andrew Pinski from comment #4) > You can read up more on the one definition rule here: > https://en.cppreference.com/w/cpp/language/definition > > It is a good summary of what the standard says. Thanks, I thought the name had to be unique per translation unit.