[flang] [llvm] [mlir] [flang][mlir][OpenMP] Add support for COPYPRIVATE (PR #73128)

[Kiran Chandramohan via llvm-commits]

kiranchandramohan wrote:

> * I have written only a basic test for now, covering simple scalars and arrays. My plan is to add more tests, but I wanted to get some feedback first, to avoid having to rewrite the tests too much.

I think there is some additional work to support explicit-shape/vla, assumed-shape arrays and pointers/allocatables.

I am away on holiday from today evening, back on Jan 8. Is it OK to wait till then?

https://github.com/llvm/llvm-project/pull/73128