[llvm] [RFC][LLVM] Emit dwarf data for changed-signature and new functions (PR #165310)

[Orlando Cazalet-Hyams via llvm-commits]

OCHyams wrote:

> Not yet but I can do this. Just want to double check. Is https://lists.dwarfstd.org/pipermail/dwarf-discuss/ is the mailing list I can post?

That looks right. FWIW I've not posted there myself, but I can see others in the LLVM community have done previously.

https://github.com/llvm/llvm-project/pull/165310