tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc.git topic-zol-remove
head:   5d273f5d5109b942d3be84a4db0ffe05feb901d4
commit: 58da59e9308a861cf832bd47a3d711f2cd46f2f5 [81/188] xxx: debug fork/execve
config: hexagon-randconfig-r003-20211016 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project a49f5386ce6b091da66ea7c3a1d9a588d53becf7)
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/vgupta/arc.git/commit/?id=58da59e9308a861cf832bd47a3d711f2cd46f2f5
        git remote add vgupta-arc https://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc.git
        git fetch --no-tags vgupta-arc topic-zol-remove
        git checkout 58da59e9308a861cf832bd47a3d711f2cd46f2f5
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash

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 >>):

>> ld.lld: error: undefined symbol: arc_debug
   >>> referenced by fork.c
   >>>               fork.o:(kernel_clone) in archive kernel/built-in.a
   >>> referenced by fork.c
   >>>               fork.o:(kernel_clone) in archive kernel/built-in.a

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