reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next.git/commit/?id=a7e7568d2380a7711f52acac0b7572e2c2dbf679
        git remote add iwlwifi-next https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next.git
        git fetch --no-tags iwlwifi-next nan_mac80211_phase2
        git checkout a7e7568d2380a7711f52acac0b7572e2c2dbf679

        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=$HOME/0day COMPILER=clang-17 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-17 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash