TO: Petr Machata <me(a)pmachata.org&gt; tree: https://github.com/jpirko/linux_mlxsw petrm_resilient head: 060c06081a921d97aa4987815a30eeaeb771055a commit: 060c06081a921d97aa4987815a30eeaeb771055a [25/25] UAPI config: x86_64-randconfig-r032-20201209 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 1968804ac726e7674d5de22bc2204b45857da344) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/jpirko/linux_mlxsw/commit/060c06081a921d97aa4987815a30... git remote add jpirko-mlxsw https://github.com/jpirko/linux_mlxsw git fetch --no-tags jpirko-mlxsw petrm_resilient git checkout 060c06081a921d97aa4987815a30eeaeb771055a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org