https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66842
--- Comment #2 from Bin Fan <bin.x.fan at oracle dot com> --- I couldn't find a category for libatomic, and my understand is that C and C++ share libatomic library. (In reply to Jonathan Wakely from comment #1) > This obviously isn't a libstdc++ bug because you're not even using C++!