[flang-commits] [flang] [flang] Inline hlfir.copy_in for trivial types (PR #138718)

[Tom Eccles via flang-commits]

https://github.com/tblah commented:

The approach used in your draft looks good to me. Just style nits from me.

Please add lit tests before taking this out of draft.

https://github.com/llvm/llvm-project/pull/138718