[lld] [lld][MachO] Support for -interposable (PR #131813)

[John Holdsworth via llvm-commits]

johnno1962 wrote:

Looks like I've wrangled the git/CI problems now. Anything else you'd like let me know. Rest assured I've been testing this version of the linker in the field on a reasonably sized project and it and the new -interposable functionality are working well.

https://github.com/llvm/llvm-project/pull/131813