[llvm] Reland [llvm] Errorize DebuginfodFetcher for inspection at call-sites (PR #194872)

[Stefan Gränitz via llvm-commits]

weliveindetail wrote:

@dyung Did you get a cache to test this? It would be great to have a backtrace if any of the two tests crash and `-a` output in case of failure. Thanks 🙏

https://github.com/llvm/llvm-project/pull/194872