https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63892
--- Comment #14 from Iain Sandoe <iains at gcc dot gnu.org> --- https://gcc.gnu.org/ml/gcc-patches/2015-02/msg01320.html (tested at r220887) Looking at current output - recurser_void1 is sib-calling recurser_void2, but not vice-versa.
