http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58585
--- Comment #18 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- (In reply to Jan Hubicka from comment #17) > The patch seems to work and it seems to give correct answers for various > cases of multiple inheritance I can think of. I would welcome testing on > the original sources and if it looks fine, I will go ahead with it. FWIW I've tested your patch with Firefox (PGO/LTO), Chromium and Boost. And everything works fine...