[llvm] [InstCombine] Fold xored one-complemented operand comparisons (PR #69882)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

> @dtcxzyw why did the build fail?

You should add `Value *C` to shadow the definition `const APInt *C` in the outer scope.

https://github.com/llvm/llvm-project/pull/69882