[flang-commits] [flang] [flang] Re-enable setting `noalias` on procedure arguments. (PR #155949)

[Tom Eccles via flang-commits]

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

LGTM.

nit: I agree the tests should be updated. I don't mind doing that for you in a separate PR if you don't have time. I understand the test conflicts are only because of my revert.

https://github.com/llvm/llvm-project/pull/155949