[lldb] [compiler-rt] [libcxx] [clang] [flang] [clang-tools-extra] [llvm] [lld] [libc] [Clang] Fix linker error for function multiversioning (PR #71706)

[Tom Honermann via cfe-commits]

https://github.com/tahonermann edited https://github.com/llvm/llvm-project/pull/71706