tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 0d52778b8710eb11cb616761a02aee0a7fd60425 commit: af2686efa5baa8eb00c4f13fd284cb228585d162 [13539/13785] leds: leds-lm3533: convert comma to semicolon config: riscv-randconfig-r014-20201217 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cee1e7d14f4628d6174b33640d502bff3b54ae45) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout af2686efa5baa8eb00c4f13fd284cb228585d162 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv 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 0d52778b8710eb11cb616761a02aee0a7fd60425 builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): /tmp/drm_dp_dual_mode_helper-740770.s: Assembler messages: clang-12: error: assembler command failed with exit code 1 (use -v to see invocation) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org