http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58251
--- Comment #18 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Markus Trippelsdorf from comment #16) > (In reply to Richard Biener from comment #15) > > Confirmed with 4.7.3 and 4.8.2. Seems to work on the trunk, worked with > > 4.6.4. > > > > Now it would be interesting to bisect what fixed this on the trunk ... > > It was fixed by r200151. Bah .... this means "don't hold your breath for a fix". I wonder whether it makes sense to try backporting "4.9 LTO" to 4.8 ... (too much fallout in the end I guess).