pr-13222-08f6f1 vs. 2412-31 / ogl-lin-mesa / tos-invis-char

pr-13222-08f6f1 (08f6f1d4) Diff 2412-31 (ada646a7)
Failure 82dd2aa1ddb19c2112eae442351cf8c7c54a11d3
Failure 724a638eb094c55ee1e43e71cb4c6ee43e956dd6
Failure 1d5d4e31396116c62e34737b32c4bb8502a917dd
Failure b8b0e0e9b34b41d6d9816074a8fe52d03707821d