[llvm] [LLVM-Reduce] - Distinct Metadata Reduction (PR #96072)

[Michal Paszkowski via llvm-commits]

michalpaszkowski wrote:

@SLTozer @OCHyams @ormris @arsenm I am tagging you all in case you have anything to add in the review. Would be grateful for any additional comments as you have more experience in this area.

https://github.com/llvm/llvm-project/pull/96072