https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66312
--- Comment #1 from Oleg Endo <olegendo at gcc dot gnu.org> --- As Kaz mentioned in PR 65979 #c8, first revert all the SH specific patches. The SVN revisions are r221686, r221305, r221166, r220957, r220917, r219258. Thus you can pull the patches from the GCC SVN and reverse-apply them to your source tree. If bootstrap is OK without all the patches, but otherwise the latest 4.8/4.9 source, then obviously the problem must be one of those patches and it can be narrowed down. If it doesn't bootstrap even without all those patches, it means the bugs have been around for a while.
