[clang] [compiler-rt] [nsan] Add shared runtime (PR #98415)

[Yaxun Liu via llvm-commits]

yxsamliu wrote:

> It seems to cause a build failure:
> 
> https://lab.llvm.org/buildbot/#/builders/123/builds/1580

It seems the issue was due to old system linker. If I use lld to build compier-rt the build passes. I will fix the buildbot https://github.com/llvm/llvm-zorg/pull/225

https://github.com/llvm/llvm-project/pull/98415