[flang-commits] [flang] [Flang] Adjust pass plugin support to match Clang (PR #174006)

[Alexis Engelke via flang-commits]

aengelke wrote:

Gentle ping. It'd be nice to get this into LLVM 22, which branches early next week, so that all in-tree front-ends have the same degree of plugin support.

https://github.com/llvm/llvm-project/pull/174006