[flang] [llvm] [Flang][OpenMP] Fix mapping of character type with LEN > 1 specified (PR #154172)

[Abid Qadeer via llvm-commits]

https://github.com/abidh approved this pull request.

Thanks for the explanation and the tests. That helps to understand the issue better. My initial confusion also stems from the fact that debugging of string variables worked correctly in target region without this change. But it has different source for bounds info.

https://github.com/llvm/llvm-project/pull/154172