https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67002
--- Comment #11 from Oleg Endo <olegendo at gcc dot gnu.org> --- (In reply to John Paul Adrian Glaubitz from comment #10) > > Looking at the build log, it's only gcc/real.o where the comparison fails, > all the others (except for the checksum files) are find. I think chances are > that, if this is actually a real bug, it might show itself more pronounced > when we use gcc-5 to build other packages. > > Just look at how many bugs we were able to find in gcc-4.9 while using it as > the standard host compiler on Debian sh4. Yeah, for this purpose it can be ignored of course. However, I guess for that you might also just disable bootstrapping (configure with --disable-bootstrap).