CC: linux-kernel(a)vger.kernel.org TO: Ilie Halip <ilie.halip(a)gmail.com&gt; CC: Josh Poimboeuf <jpoimboe(a)redhat.com&gt; CC: Nick Desaulniers <ndesaulniers(a)google.com&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 9ff9b0d392ea08090cd1780fb196f36dbb586529 commit: 14db1f0a93331d0958e90da522c429ff0890d2d6 objtool: Ignore unreachable trap after call to noreturn functions date: 4 weeks ago config: x86_64-randconfig-a003-20201016 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 5fbab4025eb57b12f2842ab188ff07a110708e1d) 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 14db1f0a93331d0958e90da522c429ff0890d2d6 # 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