reproduce (this is a W=1 build):
        # https://github.com/kkdwivedi/linux/commit/8888450621df54338133ec7cb64dfa0c4483d06a
        git remote add kkdwivedi https://github.com/kkdwivedi/linux
        git fetch --no-tags kkdwivedi typed-arena
        git checkout 8888450621df54338133ec7cb64dfa0c4483d06a

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash