TO: Alexander Usyskin <alexander.usyskin(a)intel.com&gt; CC: "Greg Kroah-Hartman" <gregkh(a)linuxfoundation.org&gt; CC: Tomas Winkler <tomas.winkler(a)intel.com&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 494d311a82bb06a81fa7ef4277367701a792e6ef commit: 224ae607526b4a389ae469207530fcdc9abaa7b9 [1911/2764] mei: bus: unconditionally enable clients with vtag support config: x86_64-randconfig-a011-20200823 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project b587ca93be114d07ec3bf654add97d7872325281) 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 git checkout 224ae607526b4a389ae469207530fcdc9abaa7b9 # 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; Note: the linux-next/master HEAD 494d311a82bb06a81fa7ef4277367701a792e6ef builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org