pr-10126-6fd542 vs. 5.0-15238 / uberogl-lin-radeon / melee-lighting

pr-10126-6fd542 (6fd54276) Diff 5.0-15238 (753a1595)
Failure 99f76340969fad929b19818e3c1673e335ba1486
Failure dba6f39f7eb7d9a2195559af111b086d78cee789
Failure dba6f39f7eb7d9a2195559af111b086d78cee789
Failure 751d5df98942750d0c9e4c1e9a230930a0eb481a