[Bug libgcc/124333] New: Build fails for aarch64-w64-mingw32 target after applying __aarch64_cpu_features

[Evgeny.Karpov at arm dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124333

            Bug ID: 124333
           Summary: Build fails for aarch64-w64-mingw32 target after
                    applying __aarch64_cpu_features
           Product: gcc
           Version: 16.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libgcc
          Assignee: unassigned at gcc dot gnu.org
          Reporter: Evgeny.Karpov at arm dot com
  Target Milestone: ---

The patch below introduces a regression for aarch64-w64-mingw32 target.

https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=41b4a73f370116af73b24cf7d74099790c2f3223

It looks like __aarch64_cpu_features cannot be used for aarch64-w64-mingw32
target.