[flang] [llvm] [Flang][OpenMP] Align map clause generation and fix issue with non-shared allocations for assumed shape/size descriptor types (PR #97855)

[via llvm-commits]

agozillon wrote:

Thank you very much everyone for the reviews! I'll update and land this tomorrow or sometime during this week. 

https://github.com/llvm/llvm-project/pull/97855