https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105671
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[11/12/13 Regression] |[11/12 Regression] |Unexplained "undefined |Unexplained "undefined |reference" error |reference" error --- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> --- Yes, I verified it using your test program (thanks!) against all affected branches. It's fixed on trunk, I'll backport the attribute in a couple of weeks.