FAILED: load BTF from .tmp_vmlinux1.BTF.1: No such file or directory

[kernel test robot]

Hi Ihor,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f259f446f5198d98e13756d2cd531812a0ad3064
commit: 522397d05e7d4a7c30b91841492360336b24f833 resolve_btfids: Change in-place update with raw binary output
date:   9 months ago
config: nios2-randconfig-r1309-20260919 (https://download.01.org/0day-ci/archive/20260920/202609201259.nAjryHrZ-lkp@xxxxxxxxx/config)
compiler: nios2-linux-gcc (GCC) 8.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260920/202609201259.nAjryHrZ-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: 522397d05e7d ("resolve_btfids: Change in-place update with raw binary output")
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609201259.nAjryHrZ-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   Complex, interval and imaginary float types are not supported
   btf_encoder__encode_cu: error encoding base_type (core_id 31): -1
   Error while encoding BTF.
>> FAILED: load BTF from .tmp_vmlinux1.BTF.1: No such file or directory

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