pr-13432-c46b2a vs. 2503-89 / mtl-osx-m1 / lesson08

pr-13432-c46b2a (c46b2ae7) Diff 2503-89 (99cde4e2)
Failure 1ae075bf30a199c6a650cc11dd9c46e00f4d49c5
Failure 218ba73f175130ff4d48bb93aaedbd6efb2fec30
Failure 045f527d892931eb12e8d3419fd265e0aacfcc92