reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git/commit/?id=aec8a645378b508d17c2286276451d85d74bf1ec
        git remote add tj-wq https://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git
        git fetch --no-tags tj-wq wq-bh-v1
        git checkout aec8a645378b508d17c2286276451d85d74bf1ec
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=openrisc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=openrisc SHELL=/bin/bash kernel/