[jimc:maph 6/7] lib/test_map_h.c:32:13: warning: 'MAPH_BUILD_BUG' defined but not used

[jimc:maph 6/7] lib/test_map_h.c:32:13: warning: 'MAPH_BUILD_BUG' defined but not used

[kernel test robot]

tree:   https://github.com/jimc/linux.git maph
head:   7f5a5e57c1ce6971acdfa13d3e177b14fe615838
commit: 3acf936f65d59ef4588b1c10924acc77c157b205 [6/7] strip-used-MAPH-BB
config: arm-randconfig-001-20230822 (https://download.01.org/0day-ci/archive/20230823/202308232127.6vsYZhdm-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230823/202308232127.6vsYZhdm-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/202308232127.6vsYZhdm-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> lib/test_map_h.c:32:13: warning: 'MAPH_BUILD_BUG' defined but not used [-Wunused-function]
      32 | static void MAPH_BUILD_BUG(void)
         |             ^~~~~~~~~~~~~~


vim +/MAPH_BUILD_BUG +32 lib/test_map_h.c

    25	
    26	#define BUILD_BUG_STREQ(_var, ref)					\
    27		BUILD_BUG_ON(__builtin_memcmp(_var, ref, __builtin_strlen(ref)))
    28	#define BUILD_BUG_STREQ_VI(_vec_, idx, ref)		\
    29		BUILD_BUG_STREQ(_vec_##_names[idx], ref)
    30	
    31	/* force compile, even if its not called */
  > 32	static void MAPH_BUILD_BUG(void)
    33	{
    34		BUILD_BUG_ON(sum != 6);
    35		BUILD_BUG_STREQ(caten, "YESNOMAYBE");
    36	
    37		BUILD_BUG_STREQ_VI(debug_cats, 0, "DRMx_CORE");
    38		BUILD_BUG_STREQ_VI(debug_cats, 1, "DRMx_DRIVER");
    39		BUILD_BUG_STREQ_VI(debug_cats, 2, "DRMx_KMS");
    40	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki