[lld] lld: add support for NOCROSSREFS(_TO) (PR #95714)

[Fangrui Song via llvm-commits]

MaskRay wrote:

> > Sorry, with closer inspection, I believe a large of portion of code and tests need reworking. I think it's best if I create a different PR, but I'll give you credits as a co-author.
> 
> Ok, I am fine with that. Thanks for guidance anyway, maybe next time I would do better. =)
> 
> > My current draft is at [MaskRay/llvm-project@`nocrossrefs`](https://github.com/MaskRay/llvm-project/tree/nocrossrefs?rgh-link-date=2024-07-13T11%3A10%3A38Z) , which still needs a lot of work.
> 
> Should I just close this PR, or you'd like to keep it open for a while?

I think this feature requires more experience with the internals. Perhaps it's not the ideal starter project.  However, I appreciate you suggesting the patch! I think the PR can be closed.

Created #98773 

https://github.com/llvm/llvm-project/pull/95714