[flang-commits] [flang] [llvm] [flang] Implement SPLIT intrinsic subroutine with tests (PR #185584)

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laoshd wrote:

> @laoshd , I think this is good to go. Do you need help merging this?

Yes, please. I'm not allowed to do merge.

https://github.com/llvm/llvm-project/pull/185584