tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   bcee19f424a0d8c26ecf2607b73c690802658b29
commit: 8b235f2f16a472b8cfc10e8ef1286fcd3331e033 zlib_deflate/deftree: remove bi_reverse()
date:   13 days ago
config: x86_64-randconfig-s2-09240230 (attached as .config)
reproduce:
  git checkout 8b235f2f16a472b8cfc10e8ef1286fcd3331e033
  # save the attached .config to linux build tree
  make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   lib/built-in.o: In function `gen_codes':
   deftree.c:(.text+0xe6c9): undefined reference to `byte_rev_table'
   deftree.c:(.text+0xe70f): undefined reference to `byte_rev_table'
   deftree.c:(.text+0xe716): undefined reference to `byte_rev_table'
   lib/built-in.o: In function `zlib_tr_init':
>> (.text+0xecca): undefined reference to `byte_rev_table'
   drivers/built-in.o: In function `zhenhua_interrupt':
   zhenhua.c:(.text+0x103b71): undefined reference to `byte_rev_table'

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