https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60401
--- Comment #16 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #15) > After discussing this on IRC I'll make a change to support this use case, > without needing to rebuild libstdc++ when glibc is updated. I've created https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69413 for that.