pr-11522-2b789f vs. 5.0-18467 / mtl-osx-m1 / lesson08

pr-11522-2b789f (2b789f06) Diff 5.0-18467 (2843cd10)
Failure 8460df867fffef4616fac7fd57c6398a06239234
Failure 27e6f8cdd7d56f6eca35071d233a21b8668787c0
Failure 45706a1cb4a50f0369b63a2d9e08f7402edf746a