pr-10137-75732f vs. 5.0-15251 / sw-lin-mesa / nddemo-bumpmapping

pr-10137-75732f (75732fd1) Diff 5.0-15251 (a7224b29)
Failure 7034b92c45f67ebe231ac9f10d54e36355c65ac5
Failure 7eb6f8ce90242d8c380f76e66d568feafb91940a
Failure 08213733a7319e44aad2080cd5b5919bfb335533