[llvm] [DebugInfo][LoopLoadElim] Fix missing debug location updates (PR #91839)

[J. Ryan Stinnett via llvm-commits]

https://github.com/jryans approved this pull request.

Looks good to me as well! 😄 

As usual, I'll wait a day in case any last minute review comments might appear, and then assuming they do not, I'll merge this.

https://github.com/llvm/llvm-project/pull/91839