tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dcc0b49040c70ad827a7f3d58a21b01fdb14e749 commit: 67a5a68013056cbcf0a647e36cb6f4622fb6a470 gcc-plugins: fix gcc 11 indigestion with plugins... date: 5 weeks ago config: x86_64-randconfig-a001-20200622 (attached as .config) compiler: gcc-5 (Ubuntu 5.5.0-12ubuntu1) 5.5.0 20171010 reproduce (this is a W=1 build): # 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 67a5a68013056cbcf0a647e36cb6f4622fb6a470 # 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 >>): In file included from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/tm.h:27, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/gcc-plugin.h:31, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/plugin.h:23, from scripts/gcc-plugins/gcc-common.h:9, from scripts/gcc-plugins/latent_entropy_plugin.c:78: fprintf ((FILE), "%s"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\ ^ /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/config/elfos.h:170:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix] fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ ^ In file included from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/tm.h:48, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/gcc-plugin.h:31, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/plugin.h:23, from scripts/gcc-plugins/gcc-common.h:9, from scripts/gcc-plugins/latent_entropy_plugin.c:78: fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ ^ -- In file included from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/tm.h:27, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/gcc-plugin.h:31, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/plugin.h:23, from scripts/gcc-plugins/gcc-common.h:9, from scripts/gcc-plugins/latent_entropy_plugin.c:78: fprintf ((FILE), "%s"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\ ^ /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/config/elfos.h:170:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix] fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ ^ In file included from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/tm.h:48, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/gcc-plugin.h:31, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/plugin.h:23, from scripts/gcc-plugins/gcc-common.h:9, from scripts/gcc-plugins/latent_entropy_plugin.c:78: fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ ^ In file included from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/tm.h:27, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/gcc-plugin.h:31, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/plugin.h:23, from scripts/gcc-plugins/gcc-common.h:9, from scripts/gcc-plugins/sancov_plugin.c:22: fprintf ((FILE), "%s"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\ ^ /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/config/elfos.h:170:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix] fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ ^ In file included from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/tm.h:27, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/gcc-plugin.h:31, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/plugin.h:23, from scripts/gcc-plugins/gcc-common.h:9, from scripts/gcc-plugins/structleak_plugin.c:32: fprintf ((FILE), "%s"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\ ^ /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/config/elfos.h:170:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix] fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ ^ In file included from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/tm.h:48, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/gcc-plugin.h:31, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/plugin.h:23, from scripts/gcc-plugins/gcc-common.h:9, from scripts/gcc-plugins/sancov_plugin.c:22: fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ ^ In file included from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/tm.h:48, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/gcc-plugin.h:31, from /usr/lib/gcc/x86_64-linux-gnu/5/plugin/include/plugin.h:23, from scripts/gcc-plugins/gcc-common.h:9, from scripts/gcc-plugins/structleak_plugin.c:32: fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ ^ --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org