[lld] [LLD, MachO] Default objc_relative_method_lists on MacOS11+/iOS14+ (PR #101360)

[via llvm-commits]

alx32 wrote:

> Build task link: https://ci.chromium.org/ui/p/fuchsia/builders/toolchain.ci/clang-mac-x64/b8740230069184308337/overview

@zeroomega - Do you happen to know if this failure happens with Mac-x64 only ? I tried repro-ing on Mac-arm64 but the test passed for me.
I'm trying to verify weather https://github.com/llvm/llvm-project/pull/104081 fixed the underlying issue and we can re-commit this change.  

https://github.com/llvm/llvm-project/pull/101360