reproduce (this is a W=1 build):
        # https://github.com/bjackman/linux/commit/004f99e324b4f72a19d9a9c7cf4cb749193d5f7a
        git remote add bjackman https://github.com/bjackman/linux
        git fetch --no-tags bjackman asi/next
        git checkout 004f99e324b4f72a19d9a9c7cf4cb749193d5f7a
        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=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 prepare