https://bugs.freedesktop.org/show_bug.cgi?id=84662
--- Comment #56 from Andy Furniss adf.lists@gmail.com --- (In reply to Michel Dänzer from comment #55)
Does http://cgit.freedesktop.org/mesa/mesa/commit/ ?id=a338dc01866ce50bf7555ee8dc08491c7f63b585 help for this by any chance?
No, it's the same on current Mesa head.