[llvm] [CodeGen] Support MachineFunctionProperties in PassConcept (PR #79749)

[Arthur Eubanks via llvm-commits]

https://github.com/aeubanks commented:

sorry for the delayed review

this is kinda hairy just to make verification work (verification is obviously important, but it's still just one thing). I'm trying to think if there's a cleaner way that doesn't involve touching all the core classes

https://github.com/llvm/llvm-project/pull/79749