[clang] [Clang] Warning as error for fold expressions over comparison operators (PR #136836)

[Younan Zhang via cfe-commits]

https://github.com/zyn0217 approved this pull request.

Okay, let's go ahead as is. Though I feel it's unfortunate that the warnings for left fold and right fold are scattered - maybe we could clean them up in future

Thanks for working on this.

https://github.com/llvm/llvm-project/pull/136836