Comment # 6 on bug 105426 from iive@yahoo.com

> It looks like the same problem as bug 104668 and bug 104777.
> 4195eed961ccfe404ae81b9112189fc93a254ded fixes the problem.

Well, this is kind of expected, because the current git master does not have
that bug.

However, the real bug I am reporting here is that
the above fix is not ported to the Mesa3D-18.0 branch.

You definitely do not want to make a release containing that bug.