reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/joel.granados/linux.git/commit/?id=ef242e93868f8732bd115c9b087ebee2c74f36eb
        git remote add joel-granados https://git.kernel.org/pub/scm/linux/kernel/git/joel.granados/linux.git
        git fetch --no-tags joel-granados jag/dovec_consolidate
        git checkout ef242e93868f8732bd115c9b087ebee2c74f36eb

        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 kernel/