linux-kernel - [gustavoars:testing/fsfa3 17/17] loongarch64-linux-gcc: error: unrecognized command-line option '-fstrict-flex-arrays=3'

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Date:   Thu, 23 Mar 2023 14:03:49 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     oe-kbuild-all@...ts.linux.dev,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [gustavoars:testing/fsfa3 17/17] loongarch64-linux-gcc: error:
 unrecognized command-line option '-fstrict-flex-arrays=3'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/fsfa3
head:   0866a2ea45cdf26bbee3f4b1bd9a840c74de54e3
commit: 0866a2ea45cdf26bbee3f4b1bd9a840c74de54e3 [17/17] Makefile: Enable -Wstringop-overflow and -Warray-bounds and -fstrict-flex-arrays=3
config: loongarch-randconfig-r021-20230322 (https://download.01.org/0day-ci/archive/20230323/202303231323.YNz4H0a3-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.1.0
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/commit/?id=0866a2ea45cdf26bbee3f4b1bd9a840c74de54e3
        git remote add gustavoars https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git
        git fetch --no-tags gustavoars testing/fsfa3
        git checkout 0866a2ea45cdf26bbee3f4b1bd9a840c74de54e3
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch prepare

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303231323.YNz4H0a3-lkp@intel.com/

All errors (new ones prefixed by >>):

>> loongarch64-linux-gcc: error: unrecognized command-line option '-fstrict-flex-arrays=3'
   make[2]: *** [scripts/Makefile.build:252: scripts/mod/empty.o] Error 1
>> loongarch64-linux-gcc: error: unrecognized command-line option '-fstrict-flex-arrays=3'
   make[2]: *** [scripts/Makefile.build:114: scripts/mod/devicetable-offsets.s] Error 1
   make[2]: Target 'scripts/mod/' not remade because of errors.
   make[1]: *** [Makefile:1288: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:226: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests