tree: https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git devel head: 71914a457c7d0ccd85e22ceda42254432f1dbc10 commit: 4782bd74de97c016793ba05b6fd51a4a881ce046 [65/69] linkage: perform symbol pair checking (per group) config: i386-defconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce (this is a W=1 build): git checkout 4782bd74de97c016793ba05b6fd51a4a881ce046 # save the attached .config to linux build tree make W=1 ARCH=i386 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 >>, old ones prefixed by <<): ld:arch/x86/entry/vdso/vdso32/vdso32.lds:187: ignoring invalid character `#' in expression ld:arch/x86/entry/vdso/vdso32/vdso32.lds:187: syntax error -- --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org