error: <unknown>:0:0: ran out of registers during register allocation in function 'hv_apicid_to_vp_index'

[kernel test robot <lkp@intel.com>]

:::::: 
:::::: Manual check reason: "CONFIG_MATOM=y does not really work well with clang on i386"
:::::: 

BCC: lkp@intel.com
CC: llvm@lists.linux.dev
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Roman Kisel <romank@linux.microsoft.com>
CC: Wei Liu <wei.liu@kernel.org>
CC: Michael Kelley <mhklinux@outlook.com>

Hi Roman,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d0ca0df179c4b21e2a6c4a4fb637aa8fa14575cb
commit: 86c48271e0d60c82665e9fd61277002391efcef7 x86/hyperv: Fix APIC ID and VP index confusion in hv_snp_boot_ap()
date:   4 months ago
:::::: branch date: 3 hours ago
:::::: commit date: 4 months ago
config: i386-buildonly-randconfig-005-20250925 (https://download.01.org/0day-ci/archive/20250925/202509250820.EexpIhk8-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250925/202509250820.EexpIhk8-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/r/202509250820.EexpIhk8-lkp@intel.com/

All errors (new ones prefixed by >>):

>> error: <unknown>:0:0: ran out of registers during register allocation in function 'hv_apicid_to_vp_index'
   1 error generated.

-- 
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