tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: fc80c51fd4b23ec007e88d4c688f2cac1b8648e7 commit: d857e167963f2faf75727764497b51c942ffe2fc drm: Shrink drm_display_mode timings date: 3 months ago config: arc-randconfig-r003-20200810 (attached as .config) compiler: arc-elf-gcc (GCC) 9.3.0 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 git checkout d857e167963f2faf75727764497b51c942ffe2fc # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): {standard input}: Assembler messages: --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org