[clang] [Sema] Mark alias/ifunc targets used and consider mangled names (PR #87130)

[Tom Stellard via cfe-commits]

https://github.com/tstellar requested changes to this pull request.

I'm going to NAK this change for now.  Given the recent [developments](https://www.openwall.com/lists/oss-security/2024/03/29/4) with the xz project and considering this feature was requested by a user associated with the project, I think we need to be extra careful with this change.  I would like to see at least two trusted code owners review and approve this change before it is committed.

https://github.com/llvm/llvm-project/pull/87130