リーナスが使うCPUのバグは凄いスピードで解消していくのかもしれぬ。

Torvalds Has It With "-Wstringop-overflow" On GCC Due To Kernel Breakage
https://www.phoronix.com/news/Linux-Drop-GCC--Wstringop-of

Torvalds has been using an Apple Silicon MacBook Air as his laptop when testing kernel builds and this is what seems to be hitting the non-x86_64 build issues with this compiler option.