reproduce (this is a W=1 build):
        # https://github.com/jimc/linux/commit/ea1ef3eda16a25ba9bacade28d00c9e4b2812a5b
        git remote add jimc https://github.com/jimc/linux.git
        git fetch --no-tags jimc dyndbg-bonsai-clean
        git checkout ea1ef3eda16a25ba9bacade28d00c9e4b2812a5b

        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-16.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-16.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash lib/