[flang-commits] [flang] [Flang] Add 'f2023' and 'f202Y' as valid flags for '-std=' option (PR #182387)

[Eugene Epshteyn via flang-commits]

eugeneepshteyn wrote:

I assume the actual uses of the new flags will come as a follow-up PR.

https://github.com/llvm/llvm-project/pull/182387