tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4 head: a7a3c3271131ac28d8ce8a69921562b2cd235bcb commit: 4e8784e73ce1e4780d7e842d3831005a7fc69801 [7/22] UPSTREAM: dt-bindings: mmc: Add new compatible string for sm8250 target config: s390-randconfig-r005-20200617 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 487ca07fcc75d52755c9fe2ee05bcb3b6eeeec44) 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 s390 cross compiling tool for clang build # apt-get install binutils-s390-linux-gnu git checkout 4e8784e73ce1e4780d7e842d3831005a7fc69801 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Note: the chrome-os/chromeos-5.4 HEAD a7a3c3271131ac28d8ce8a69921562b2cd235bcb builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>, old ones prefixed by <<): /tmp/binder_alloc-399588.s: Assembler messages: /tmp/binder_alloc-399588.s:11086: Error: bad expression /tmp/binder_alloc-399588.s:11086: Error: junk at end of line, first unrecognized character is `r' /tmp/binder_alloc-399588.s:11332: Error: bad expression /tmp/binder_alloc-399588.s:11332: Error: junk at end of line, first unrecognized character is `r' /tmp/binder_alloc-399588.s:11625: Error: bad expression /tmp/binder_alloc-399588.s:11625: Error: junk at end of line, first unrecognized character is `r' /tmp/binder_alloc-399588.s:16071: Error: bad expression /tmp/binder_alloc-399588.s:16071: Error: junk at end of line, first unrecognized character is `r' /tmp/binder_alloc-399588.s:16944: Error: bad expression /tmp/binder_alloc-399588.s:16944: Error: junk at end of line, first unrecognized character is `r' /tmp/binder_alloc-399588.s:17211: Error: bad expression /tmp/binder_alloc-399588.s:17211: Error: junk at end of line, first unrecognized character is `r' /tmp/binder_alloc-399588.s:17466: Error: bad expression /tmp/binder_alloc-399588.s:17466: Error: junk at end of line, first unrecognized character is `r' /tmp/binder_alloc-399588.s:17971: Error: bad expression /tmp/binder_alloc-399588.s:17971: Error: junk at end of line, first unrecognized character is `r' /tmp/binder_alloc-399588.s:20249: Error: bad expression /tmp/binder_alloc-399588.s:20249: Error: junk at end of line, first unrecognized character is `r' /tmp/binder_alloc-399588.s:20511: Error: bad expression /tmp/binder_alloc-399588.s:20511: Error: junk at end of line, first unrecognized character is `r' clang-11: error: assembler command failed with exit code 1 (use -v to see invocation) -- drivers/regulator/core.c:3791:5: warning: no previous prototype for function 'regulator_suspend_enable' [-Wmissing-prototypes] int regulator_suspend_enable(struct regulator_dev *rdev, ^ drivers/regulator/core.c:3791:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int regulator_suspend_enable(struct regulator_dev *rdev, ^ static drivers/regulator/core.c:3798:5: warning: no previous prototype for function 'regulator_suspend_disable' [-Wmissing-prototypes] int regulator_suspend_disable(struct regulator_dev *rdev, ^ drivers/regulator/core.c:3798:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int regulator_suspend_disable(struct regulator_dev *rdev, ^ static drivers/regulator/core.c:3837:5: warning: no previous prototype for function 'regulator_set_suspend_voltage' [-Wmissing-prototypes] int regulator_set_suspend_voltage(struct regulator *regulator, int min_uV, ^ drivers/regulator/core.c:3837:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int regulator_set_suspend_voltage(struct regulator *regulator, int min_uV, ^ static 3 warnings generated. /tmp/core-547796.s: Assembler messages: /tmp/core-547796.s:29058: Error: bad expression /tmp/core-547796.s:29058: Error: junk at end of line, first unrecognized character is `r' /tmp/core-547796.s:67228: Error: bad expression /tmp/core-547796.s:67228: Error: junk at end of line, first unrecognized character is `r' /tmp/core-547796.s:68013: Error: bad expression /tmp/core-547796.s:68013: Error: junk at end of line, first unrecognized character is `r' /tmp/core-547796.s:68336: Error: bad expression /tmp/core-547796.s:68336: Error: junk at end of line, first unrecognized character is `r' /tmp/core-547796.s:70185: Error: bad expression /tmp/core-547796.s:70185: Error: junk at end of line, first unrecognized character is `r' /tmp/core-547796.s:70678: Error: bad expression /tmp/core-547796.s:70678: Error: junk at end of line, first unrecognized character is `r' clang-11: 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