[llvm-branch-commits] [llvm] release/22.x: [PowerPC] Fix miscompilation when using 32-bit ucmp on 64-bit PowerPC (#178979) (PR #179181)

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SiliconA-Z wrote:

We should merge this so Rust team can unpin their nightly. I know reviewing this takes time but still @arsenm 

https://github.com/llvm/llvm-project/pull/179181