[llvm] [NFC][LoopVectorize] Make replaceVPBBWithIRVPBB more efficient (PR #111514)

[via llvm-commits]

================
@@ -3862,6 +3882,19 @@ class VPBlockUtils {
     To->removePredecessor(From);
   }
 
+  /// Reassociate all the blocks connected to \p Old so that they now point to
+  /// \p New.
----------------
ayalz wrote:

```suggestion
  /// \p New instead.
```


https://github.com/llvm/llvm-project/pull/111514