[llvm] [SelectionDAG] Introducing a new ISD::POISON SDNode to represent the poison value in the IR. (PR #125883)

[Jakub Kuderski via llvm-commits]

kuhar wrote:

> I will create a fix PR with your test case, after the fix PR approved, I revert your revert of this PR before I land the fix PR. iIs it OK ?

I don't understand... Do you want to revert this PR or not?

https://github.com/llvm/llvm-project/pull/125883