[kees:devel/overflow/wrap-around 38/77] zip.c:137:39: error: implicit declaration of function 'add_would_overflow'

[kees:devel/overflow/wrap-around 38/77] zip.c:137:39: error: implicit declaration of function 'add_would_overflow'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git devel/overflow/wrap-around
head:   e89bc1e50a4aea7c77987a344e7917eb41d290eb
commit: d35d22196bde30e00d2b8b7b4e404d1526651659 [38/77] libbpf: Refactor intentional wrap-around test
config: x86_64-rhel-8.3-bpf (https://download.01.org/0day-ci/archive/20240121/202401210731.R4MSUstb-lkp@intel.com/config)
compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240121/202401210731.R4MSUstb-lkp@intel.com/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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401210731.R4MSUstb-lkp@intel.com/

All errors (new ones prefixed by >>):

   scripts/genksyms/parse.y: warning: 9 shift/reduce conflicts [-Wconflicts-sr]
   scripts/genksyms/parse.y: warning: 5 reduce/reduce conflicts [-Wconflicts-rr]
   scripts/genksyms/parse.y: note: rerun with option '-Wcounterexamples' to generate conflict counterexamples
>> zip.c:137:39: error: implicit declaration of function 'add_would_overflow' [-Werror,-Wimplicit-function-declaration]
     137 |         if (offset + size > archive->size || add_would_overflow(offset, size))
         |                                              ^
   1 error generated.
   make[6]: *** [tools/build/Makefile.build:105: tools/bpf/resolve_btfids/libbpf/staticobjs/zip.o] Error 1
   make[6]: *** Waiting for unfinished jobs....
   make[5]: *** [Makefile:157: tools/bpf/resolve_btfids/libbpf/staticobjs/libbpf-in.o] Error 2
   make[4]: *** [Makefile:63: tools/bpf/resolve_btfids//libbpf/libbpf.a] Error 2
   make[3]: *** [Makefile:76: bpf/resolve_btfids] Error 2
   make[2]: *** [Makefile:1351: tools/bpf/resolve_btfids] Error 2
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:234: __sub-make] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:234: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.

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