[clang] [lld] [lld-macho][draft]Allow folding entries with identical FDE (PR #216895)

[Vy Nguyen via llvm-commits]

oontvoo wrote:

> Oh nevermind, maybe `relocateOne()` already handles that case?

Yes - we're not technically touching anything in the og sections, so it should "just work"

https://github.com/llvm/llvm-project/pull/216895