reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/jlelli/linux/commit/af2ae36d96f2d8bf61feebc9df76f0616793c272
        git remote add jlelli https://github.com/jlelli/linux.git
        git fetch --no-tags jlelli upstream/deadline/domains-suspend
        git checkout af2ae36d96f2d8bf61feebc9df76f0616793c272
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash kernel/