5.0-12891 vs. 5.0-12616 / ogl-lin-mesa / pw-black-bars

5.0-12891 (87e4a078) Diff 5.0-12616 (e4e50691)
Failure 31d54b2653c0f87dac47e9bb768bd905c1bd9136
Failure 8cc6325ef0c5d54d4cb10e4b556eb9383bab6ab9
Failure 8cc6325ef0c5d54d4cb10e4b556eb9383bab6ab9
Failure f3d397e07df04f05aaeb6535f1d2f5ca8af017fc