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

[Tom Stellard via llvm-branch-commits]

tstellar wrote:

> Do we have any ABI stability guarantees for LLVM C++ APIs? I would think that a lot of back ports can break the C++ ABI of LLVM in general?

Yes, we always try to keep the C++ API stable in point releases.

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