reproduce (this is a W=1 build):
        # https://github.com/nbdd0121/linux/commit/acf194b29ba2c0d657ac4b3d61234d6e655ed79a
        git remote add nbdd0121 https://github.com/nbdd0121/linux
        git fetch --no-tags nbdd0121 coherent-for-danilo
        git checkout acf194b29ba2c0d657ac4b3d61234d6e655ed79a

        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 SHELL=/bin/bash