[llvm] [llvm-diff] Add Commutativity on BinOp (PR #123314)

[Serval MARTINOT-LAGARDE via llvm-commits]

Serval6 wrote:

@nikic, what do you think about these changes? If it's okay for you, could you aprouve this merge request?

https://github.com/llvm/llvm-project/pull/123314