pr-8793-5a5fa4 vs. 5.0-12294 / ogl-lin-mesa / pw-black-bars

pr-8793-5a5fa4 (5a5fa4a9) Diff 5.0-12294 (695a9649)
Failure 31d54b2653c0f87dac47e9bb768bd905c1bd9136
Failure 8cc6325ef0c5d54d4cb10e4b556eb9383bab6ab9
Failure 8cc6325ef0c5d54d4cb10e4b556eb9383bab6ab9
Failure f3d397e07df04f05aaeb6535f1d2f5ca8af017fc