csky-linux-gcc: error: unrecognized command line option '-mbacktrace'; did you mean

csky-linux-gcc: error: unrecognized command line option '-mbacktrace'; did you mean

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8b12a62a4e3ed4ae99c715034f557eb391d6b196
commit: 000591f1ca3312d9a29e15a9e3fe5c4171f75586 csky: Enable LOCKDEP_SUPPORT
date:   12 months ago
config: csky-randconfig-r012-20210318 (attached as .config)
compiler: csky-linux-gcc (GCC) 9.3.0
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/torvalds/linux.git/commit/?id=000591f1ca3312d9a29e15a9e3fe5c4171f75586
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 000591f1ca3312d9a29e15a9e3fe5c4171f75586
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=csky 

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

All errors (new ones prefixed by >>):

>> csky-linux-gcc: error: unrecognized command line option '-mbacktrace'; did you mean '-fbacktrace'?
--
>> csky-linux-gcc: error: unrecognized command line option '-mbacktrace'; did you mean '-fbacktrace'?
   /usr/bin/ld: scripts/dtc/dtc-parser.tab.o:(.bss+0x20): multiple definition of `yylloc'; scripts/dtc/dtc-lexer.lex.o:(.bss+0x0): first defined here
   collect2: error: ld returned 1 exit status
   make[2]: *** [scripts/Makefile.host:116: scripts/dtc/dtc] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1260: scripts_dtc] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:180: sub-make] Error 2
   make: Target 'prepare' not remade because of errors.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for FRAME_POINTER
   Depends on DEBUG_KERNEL && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS
   Selected by
   - LOCKDEP && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT && !MIPS && !PPC && !ARM && !S390 && !MICROBLAZE && !ARC && !X86

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

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