https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100259
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-9 branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>: https://gcc.gnu.org/g:75d1d6841dd90649ea03cbe2ec43c3cfb27bebe8 commit r9-9475-g75d1d6841dd90649ea03cbe2ec43c3cfb27bebe8 Author: Jonathan Wakely <jwak...@redhat.com> Date: Mon Apr 26 11:37:38 2021 +0100 libstdc++: Add missing 'inline' specifiers to net::ip functions [PR 100259] libstdc++-v3/ChangeLog: PR libstdc++/100259 * include/experimental/internet (net::ip::make_error_code) (net::ip::make_error_condition, net::ip::make_network_v4) (net::ip::operator==(const udp&, const udp&)): Add 'inline'. (cherry picked from commit 3f4aa4579a6c03e0a0b0a6aec68aa5a301264d45)