powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data4' from `drivers/mtd/nand/raw/diskonchip.o' being placed in section `.bss..Lubsan_data4'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   805d849d7c3cc1f38efefd48b2480d62b7b5dcb7
commit: c27cd083cfb9d392f304657ed00fcde1136704e7 Compiler attributes: GCC cold function alignment workarounds
date:   1 year, 1 month ago
config: powerpc-randconfig-r025-20220324 (https://download.01.org/0day-ci/archive/20240229/202402290803.JP5EWtl4-lkp@xxxxxxxxx/config)
compiler: powerpc-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240229/202402290803.JP5EWtl4-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402290803.JP5EWtl4-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data4' from `drivers/mtd/nand/raw/diskonchip.o' being placed in section `.bss..Lubsan_data4'
>> powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data4' from `drivers/mtd/nand/raw/diskonchip.o' being placed in section `.bss..Lubsan_data4'
>> powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data4' from `drivers/mtd/nand/raw/diskonchip.o' being placed in section `.bss..Lubsan_data4'
>> powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data4' from `drivers/mtd/nand/raw/diskonchip.o' being placed in section `.bss..Lubsan_data4'

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