[clang] [llvm] [dyndbg][Clang] Implement nested-ELF dynamic debugging support (PR #194860)

[Stephen Tozer via cfe-commits]

https://github.com/SLTozer commented:

Looking better, but just a couple more comments - some more hexadecimal nit, and one that I think needs addressing.

https://github.com/llvm/llvm-project/pull/194860