vendor/llvm/llvm-trunk-r301441

1 files changed, 2 insertions, 2 deletions

diff --git a/include/llvm/Support/GenericDomTree.h b/include/llvm/Support/GenericDomTree.h
index eb7c27d2ffa5b..851ff7d80403f 100644
--- a/include/llvm/Support/GenericDomTree.h
+++ b/include/llvm/Support/GenericDomTree.h
@@ -286,13 +286,13 @@ protected:
     NodeRef NewBBSucc = *GraphT::child_begin(NewBB);
 
     std::vector<NodeRef> PredBlocks;
-    for (const auto Pred : children<Inverse<N>>(NewBB))
+    for (const auto &Pred : children<Inverse<N>>(NewBB))
       PredBlocks.push_back(Pred);
 
     assert(!PredBlocks.empty() && "No predblocks?");
 
     bool NewBBDominatesNewBBSucc = true;
-    for (const auto Pred : children<Inverse<N>>(NewBBSucc)) {
+    for (const auto &Pred : children<Inverse<N>>(NewBBSucc)) {
       if (Pred != NewBB && !dominates(NewBBSucc, Pred) &&
           isReachableFromEntry(Pred)) {
         NewBBDominatesNewBBSucc = false;