[llvm] [llvm-readobj, ELF] Support reading binary with more than PN_XNUM segments. (PR #165278)

[via llvm-commits]

aokblast wrote:

> LGTM.
> 
> I'd still like a mechanism for avoiding the near-duplicate errors, but that's a follow-on piece of work and I don't have any further good ideas that are clean (perhaps changes to the dynamic table parsing as described would help, or adding an optional "context" argument to `reportUniqueWarning` would deal with the issue).

Do you think my solution from https://github.com/llvm/llvm-project/pull/191706 makes sense?
If so, we can work on this.


https://github.com/llvm/llvm-project/pull/165278