[flang-commits] [flang] [flang] Enclose Walk overloads into class for lookup purposes (PR #115926)

[Krzysztof Parzyszek via flang-commits]

kparzysz wrote:

> what is broken that this patch fixes?

I'm trying to add more nodes for OpenMP, and when I have a variant inside of a tuple, the visitor breaks.

https://github.com/llvm/llvm-project/pull/115926