[flang][NFC] Moving alias analysis utilities utilities together. Adding new utility.#125925

Merged

Renaud-K merged 2 commits intollvm:mainfrom Renaud-K:alias-analysis-utils

Feb 6, 2025

Commits on Feb 5, 2025

Moving utilities into anonymous namespaces
Renaud-K
committed

Commits on Feb 6, 2025

Removing anonymous workspace and making functions static
Renaud-K
committed