pr-9956-6aea0e vs. 5.0-14748 / ogl-lin-mesa / rs2-skybox

pr-9956-6aea0e (6aea0e52) Diff 5.0-14748 (7fe97b27)
Failure cbf17bdd11b9ec3686ae2f6f918601a2ab8963b7
Failure 0a854a83a8225b13a43263cc65107e28dbc64dd7
Failure 3d7c6cd057c4c483e67e1aa43e2adb3f0fc20dfe