[llvm-branch-commits] [mlir] release/18.x: [mlir][NFC] Apply rule of five to *Pass classes (#80998) (PR #83971)

[Andrei Golubev via llvm-branch-commits]

andrey-golubev wrote:

ping @joker-eph: do you mind (back)porting this change to 18.x? if yes, let's close this, alternatively, please approve / merge, thank you!

https://github.com/llvm/llvm-project/pull/83971