tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 2dca74a40e1e7ff45079d85fc507769383039b9d commit: 113d4bc9048336ba7c3d2ad972dbad4aef6e148a objtool: Fix clang switch table edge case date: 4 months ago config: x86_64-randconfig-a013-20200611 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce (this is a W=1 build): git checkout 113d4bc9048336ba7c3d2ad972dbad4aef6e148a # save the attached .config to linux build tree make W=1 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 >>, old ones prefixed by <<): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org