[flang-commits] [flang] [Flang] Apply nusw nuw flags on array_coor gep's (PR #184573)

[Tom Eccles via flang-commits]

https://github.com/tblah commented:

Pleae could you add a lit test which exposes each of the cases and checks that nusw is or is not added. E.g. boxes, len parameters, unboxed, etc.

https://github.com/llvm/llvm-project/pull/184573