diff --git a/llvm/include/llvm/Analysis/Dominators.h b/llvm/include/llvm/Analysis/Dominators.h
index 1ffde368d89d8120d4c68fde8f51fb0cc7b93c03..1979d3f6820bcf76106c7c214edf659d1968035c 100644
--- a/llvm/include/llvm/Analysis/Dominators.h
+++ b/llvm/include/llvm/Analysis/Dominators.h
@@ -258,9 +258,9 @@ protected:
     for (typename InvTraits::ChildIteratorType PI =
          InvTraits::child_begin(NewBBSucc),
          E = InvTraits::child_end(NewBBSucc); PI != E; ++PI) {
-      typename InvTraits::NodeType *N = *PI;
-      if (N != NewBB && !DT.dominates(NewBBSucc, N) &&
-          DT.isReachableFromEntry(N)) {
+      typename InvTraits::NodeType *ND = *PI;
+      if (ND != NewBB && !DT.dominates(NewBBSucc, ND) &&
+          DT.isReachableFromEntry(ND)) {
         NewBBDominatesNewBBSucc = false;
         break;
       }