reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/steev/linux/commit/403c8e85dad04fedf3e79a9ad520f945cffa2b93
        git remote add steev https://github.com/steev/linux
        git fetch --no-tags steev lenovo-x13s-linux-6.12.y
        git checkout 403c8e85dad04fedf3e79a9ad520f945cffa2b93
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/opp/