arch/mips/boot/compressed/decompress.c:undefined reference to `__ashldi3'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   551c722f40809618230001baccf219193e22fc5a
commit: d4dba3b9c03a326cfa73833d6b166aeb442f82b5 lib: decompress_bunzip2: fix 32-bit shift undefined behavior
date:   6 months ago
config: mips-randconfig-r2300-20260930 (https://download.01.org/0day-ci/archive/20260930/202609301826.MFaFMsmd-lkp@xxxxxxxxx/config)
compiler: mips-linux-gcc (GCC) 15.2.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260930/202609301826.MFaFMsmd-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
| Fixes: d4dba3b9c03a ("lib: decompress_bunzip2: fix 32-bit shift undefined behavior")
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609301826.MFaFMsmd-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   mips-linux-ld: arch/mips/boot/compressed/decompress.o: in function `get_bits':
>> arch/mips/boot/compressed/decompress.c:(.text+0xf4): undefined reference to `__ashldi3'
>> mips-linux-ld: arch/mips/boot/compressed/decompress.c:(.text+0x168): undefined reference to `__ashldi3'

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