[flang-commits] [flang] [flang][semantic] update semantic checks for ansychronous and volatility attributes to use MayNeedCopy (PR #159477)

[Asher Mancinelli via flang-commits]

ashermancinelli wrote:

LGTM but I won't approve since I'm not familiar enough with Semantics. Thank you!

https://github.com/llvm/llvm-project/pull/159477