[linux-next:master 12465/13205] ld.lld: error: undefined symbol: __compiletime_assert_323

[kernel test robot <lkp@intel.com>]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   3cc2bd440f2171f093b3a8480a4b54d8c270ed38
commit: ae56c5a72eadc2149cc49306c4a00e4c6e970384 [12465/13205] ubsan: enable for all*config builds
config: mips-randconfig-r012-20201209 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 5ff35356f1af2bb92785b38c657463924d9ec386)
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
        # install mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ae56c5a72eadc2149cc49306c4a00e4c6e970384
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout ae56c5a72eadc2149cc49306c4a00e4c6e970384
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips 

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

Note: the linux-next/master HEAD 3cc2bd440f2171f093b3a8480a4b54d8c270ed38 builds fine.
      It may have been fixed somewhere.

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: __compiletime_assert_323
   >>> referenced by mremap.c
   >>>               mremap.o:(get_extent) in archive mm/built-in.a

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

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