[clang] [llvm] Reland "[ORC] Track __emutls_t definitions in IRMaterializationUnit" (#207161) (PR #209717)

[Brooks Davis via llvm-commits]

brooksdavis wrote:

> Sorry about that. I noticed the formatting but I thought it was only on my end. Do you mind committing that fix of yours?

I don't have commit permissions, but I've created #217004

https://github.com/llvm/llvm-project/pull/209717