http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58905
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- With LTO GCC can see that f == __undef_func__ and remove the then unneeded reference and the variable f.