https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69879
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Gabriel Ibarra from comment #2) > I had to add the new functions in the gnu.ver in order to be acceded from > the application. They were added in the GLIBCXX_3.4.22 section, is it the > right place? No, it needs to be a new GLIBCXX_3.4.23 version, since this change can't be applied until after GCC 6 releases with the 3.4.22 version.