[llvm-branch-commits] [llvm] release/23.x: [DAGCombiner] Require a 0/1 carry-in when rebuilding a borrow chain (#223396) (PR #223616)

[Craig Topper via llvm-branch-commits]

topperc wrote:

This PR contains the commit from https://github.com/llvm/llvm-project/pull/224759 now.

https://github.com/llvm/llvm-project/pull/223616