pr-9497-79cbc7 vs. pr-9497-7b3a28 / ogl-lin-mesa / luigi-shadows

pr-9497-79cbc7 (79cbc7aa) Diff pr-9497-7b3a28 (7b3a2899)
Failure d75346cc537cd55cf18bb5d6555824bfb8cb1523
Failure 0b4c27afed13b544eeb51548598180733cd42c01