https://bugs.freedesktop.org/show_bug.cgi?id=88886
--- Comment #5 from Tom Stellard tstellar@gmail.com --- (In reply to Tom Stellard from comment #4)
Can you bisect, I'm fairly certian that luxball worked one month ago.
You should only need to bisect LLVM, but as you bisect you may need to use older checkouts of Mesa, so it will build.