nope, sadly:

    ==> make VERBOSE=1
    Last 15 lines from /Users/jimwharton/Library/Logs/Homebrew/neovim/02.make:
  "__Unwind_GetCFA", referenced from:
      _lj_err_unwind_dwarf in libluajit.a(lj_err.o)
  "__Unwind_RaiseException", referenced from:
      _lj_err_throw in libluajit.a(lj_err.o)
  "__Unwind_SetGR", referenced from:
      _lj_err_unwind_dwarf in libluajit.a(lj_err.o)
  "__Unwind_SetIP", referenced from:
      _lj_err_unwind_dwarf in libluajit.a(lj_err.o)
    ld: symbol(s) not found for architecture x86_64
    clang: error: linker command failed with exit code 1 (use -v to see invocation)
    make[4]: *** [luajit] Error 1
    make[3]: *** [src/luajit] Error 2
    make[2]: *** [build/src/luajit-stamp/luajit-install] Error 2
    make[1]: *** [CMakeFiles/luajit.dir/all] Error 2
    make: *** [all] Error 2

I know I just need to jump into figuring out how to get the ONE version of LuaJIT that works (as I've read, there is only one) and pop that in there.