[linux-next:master 10759/15982] ld.lld: error: undefined symbol: kunit_mem_assert_format

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   e6664f2b33db9b6811eb4cec109f06cb2b4f458d
commit: 83df7b5fa6735b5084ecd296a0f67208650ba497 [10759/15982] HID: hyperv: add KUnit coverage for device info bounds
config: i386-randconfig-r123-20260818 (https://download.01.org/0day-ci/archive/20260819/[email protected]/config)
compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260819/[email protected]/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: kunit_mem_assert_format
   >>> referenced by hid-hyperv.c:697 (drivers/hid/hid-hyperv.c:697)
   >>>               drivers/hid/hid-hyperv.o:(mousevsc_device_info_valid_descriptor) in archive vmlinux.a

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