[linuxppc:next-test 12/13] error[E0658]: inline assembly is not stable yet on this architecture

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

tree:   https://github.com/linuxppc/linux next-test
head:   217e0d3cb6437f802ac73e6a614d7a2525f61e36
commit: b964fb2e44b9b4078a822cb63ec6427ddac5f8ac [12/13] rust: Add PowerPC support
config: powerpc-randconfig-r071-20260318 (https://download.01.org/0day-ci/archive/20260318/202603180631.GYjY89hw-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
smatch: v0.5.0-9004-gb810ac53
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260318/202603180631.GYjY89hw-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/202603180631.GYjY89hw-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   clang: error: unsupported option '-fsanitize=thread' for target 'powerpc-unknown-linux-gnu'
   make[3]: *** [rust/Makefile:644: rust/helpers/helpers.o] Error 1
>> clang diag: arch/powerpc/include/uapi/asm/ioctl.h:5:9: warning: '_IOC_SIZEBITS' macro redefined [-Wmacro-redefined]
>> clang diag: arch/powerpc/include/uapi/asm/ioctl.h:6:9: warning: '_IOC_DIRBITS' macro redefined [-Wmacro-redefined]
>> clang diag: arch/powerpc/include/uapi/asm/ioctl.h:8:9: warning: '_IOC_NONE' macro redefined [-Wmacro-redefined]
>> clang diag: arch/powerpc/include/uapi/asm/ioctl.h:10:9: warning: '_IOC_WRITE' macro redefined [-Wmacro-redefined]
>> error[E0658]: inline assembly is not stable yet on this architecture
   --> rust/kernel/sync/barrier.rs:19:14
   |
   19 |     unsafe { core::arch::asm!("") };
   |              ^^^^^^^^^^^^^^^^^^^^
   |
   = note: see issue #93335 <https://github.com/rust-lang/rust/issues/93335> for more information
   = help: add `#![feature(asm_experimental_arch)]` to the crate attributes to enable
   = note: this compiler was built on 2025-06-23; consider upgrading it if it is out of date

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