https://bugs.freedesktop.org/show_bug.cgi?id=90439
--- Comment #13 from smoki smoki00790@gmail.com --- (In reply to Tom Stellard from comment #12)
Can you try this branch: http://cgit.freedesktop.org/~tstellar/llvm/log/?h=vinterp-fix
Works fine, apps render fine and no piglit regression.
With that mainlined, this one and bug 89034 can be marked as fixed.