pr-13222-a49e22 vs. 2412-31 / ogl-lin-mesa / luigi-shadows

pr-13222-a49e22 (a49e22e1) Diff 2412-31 (ada646a7)
Failure 98dabcd227725fddde615048931f34fa31cba4e7
Failure 758f34eb411f09cc72e86be54cf80c40e965352e