linux-kernel - [ammarfaizi2-block:google/android/kernel/common/android-4.14-stable 5156/9999] aarch64-linux-gcc: error: unrecognized command line option '-ftrivial-auto-var-init=pattern'

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Date:   Wed, 26 Jan 2022 07:42:55 +0800
From:   kernel test robot <lkp@...el.com>
To:     glider <glider@...gle.com>
Cc:     kbuild-all@...ts.01.org, GNU/Weeb Mailing List <gwml@...weeb.org>,
        linux-kernel@...r.kernel.org,
        Maciej Żenczykowski <maze@...gle.com>,
        Kees Cook <keescook@...omium.org>
Subject: [ammarfaizi2-block:google/android/kernel/common/android-4.14-stable
 5156/9999] aarch64-linux-gcc: error: unrecognized command line option
 '-ftrivial-auto-var-init=pattern'

tree:   https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android-4.14-stable
head:   4ab5bac1598e3ed91a6267f6cada336467312112
commit: a7eda6eddca559c1c3a897a35692f9d49d46c9dd [5156/9999] BACKPORT: security: allow using Clang's zero initialization for stack variables
config: arm64-randconfig-r025-20220124 (https://download.01.org/0day-ci/archive/20220126/202201260753.XHIT2rMz-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 7.5.0
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://github.com/ammarfaizi2/linux-block/commit/a7eda6eddca559c1c3a897a35692f9d49d46c9dd
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android-4.14-stable
        git checkout a7eda6eddca559c1c3a897a35692f9d49d46c9dd
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-7.5.0 make.cross O=build_dir ARCH=arm64 prepare

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   WARNING: Disabling clang-specific options with gcc
>> aarch64-linux-gcc: error: unrecognized command line option '-ftrivial-auto-var-init=pattern'
   make[2]: *** [./Kbuild:22: kernel/bounds.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1214: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:146: sub-make] Error 2
   make: Target 'prepare' not remade because of errors.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org