[flang-commits] [flang] [flang][OpenMP][NFC] Move reduction init and cleanup region gen to helper (PR #120761)

[Kareem Ergawy via flang-commits]

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

LGTM. Just a small question to make sure no behavior changed due to refactoring.

https://github.com/llvm/llvm-project/pull/120761