5.0-12891 vs. 5.0-12889 / sw-lin-mesa / nddemo-bumpmapping

5.0-12891 (87e4a078) Diff 5.0-12889 (c42b80a1)
Failure 21e448c9af48f2b151344f02e1fc212d5f33baf5
Failure 09c7634bce931d858f7a21e90061bb1b153c6c0b
Failure 09c7634bce931d858f7a21e90061bb1b153c6c0b
Failure a5125386e2aead05c876afbef212e9988f6f3cbe