Looking at the [repository for luajit2](https://repo.or.cz/luajit-2.0.git) and specifically https://repo.or.cz/luajit-2.0.git/history/HEAD:/dynasm/dasm_x86.lua https://repo.or.cz/luajit-2.0.git/history/HEAD:/dynasm/dasm_x86.h there are some fixes that have yet to be applied to our copy of the code.
Looking at the repository for luajit2 and specifically
https://repo.or.cz/luajit-2.0.git/history/HEAD:/dynasm/dasm_x86.lua
https://repo.or.cz/luajit-2.0.git/history/HEAD:/dynasm/dasm_x86.h
there are some fixes that have yet to be applied to our copy of the code.