[llvm] [RISCV] Don't outline pcrel_lo when the function has a section prefix (PR #107943)

[Jonathon Penix via llvm-commits]

jonathonpenix wrote:

> I think this has probably missed 19.1.0-final, but I'd like it to be ready if there's a 19.1.1

@lenary mentioned above the possibility of bringing this into the release branch in case there is a 19.1.1--is everyone ok with this or would people prefer this stays in main only for now?

https://github.com/llvm/llvm-project/pull/107943