[llvm] [clang] [llvm] Add support for building on illumos (PR #74930)

[Brad Smith via llvm-commits]

brad0 wrote:

> Are they aware of the issue and is there a tracking feature request/issue? It seems that this patch adds code to hard code the implementation properties which may become stale.

Searching via their bug tracker I can't find anything open or closed. But I have a hard time believing they are not aware of this.

We run into -Bsymbolic-functions on OpenBSD enough as it is with our BFD 2.17 linker.

Not sure about how frequently we run into version scripts in the wild.

https://github.com/llvm/llvm-project/pull/74930