4 files changed, 4 insertions, 4 deletions
diff --git a/clang/lib/CodeGen/CodeGenPGO.cpp b/clang/lib/CodeGen/CodeGenPGO.cpp
index 1d45da8463b..bad796bf92d 100644
--- a/clang/lib/CodeGen/CodeGenPGO.cpp
+++ b/clang/lib/CodeGen/CodeGenPGO.cpp
@@ -167,7 +167,7 @@ struct MapRegionCounters : public RecursiveASTVisitor<MapRegionCounters> {
   bool TraverseBlockExpr(BlockExpr *BE) { return true; }
   bool TraverseLambdaExpr(LambdaExpr *LE) {
     // Traverse the captures, but not the body.
-    for (const auto &C : zip(LE->captures(), LE->capture_inits()))
+    for (auto C : zip(LE->captures(), LE->capture_inits()))
       TraverseLambdaCapture(LE, &std::get<0>(C), std::get<1>(C));
     return true;
   }
diff --git a/clang/lib/CodeGen/ItaniumCXXABI.cpp b/clang/lib/CodeGen/ItaniumCXXABI.cpp
index cf3074d2a3b..6ed172bb107 100644
--- a/clang/lib/CodeGen/ItaniumCXXABI.cpp
+++ b/clang/lib/CodeGen/ItaniumCXXABI.cpp
@@ -2423,7 +2423,7 @@ static void emitGlobalDtorWithCXAAtExit(CodeGenFunction &CGF,
 }
 
 void CodeGenModule::registerGlobalDtorsWithAtExit() {
-  for (const auto I : DtorsUsingAtExit) {
+  for (const auto &I : DtorsUsingAtExit) {
     int Priority = I.first;
     const llvm::TinyPtrVector<llvm::Function *> &Dtors = I.second;
 
diff --git a/clang/lib/StaticAnalyzer/Checkers/MoveChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/MoveChecker.cpp
index 5997b2a0741..40eb113e3f8 100644
--- a/clang/lib/StaticAnalyzer/Checkers/MoveChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/MoveChecker.cpp
@@ -686,7 +686,7 @@ void MoveChecker::checkDeadSymbols(SymbolReaper &SymReaper,
                                    CheckerContext &C) const {
   ProgramStateRef State = C.getState();
   TrackedRegionMapTy TrackedRegions = State->get<TrackedRegionMap>();
-  for (const auto &E : TrackedRegions) {
+  for (auto E : TrackedRegions) {
     const MemRegion *Region = E.first;
     bool IsRegDead = !SymReaper.isLiveRegion(Region);
 
diff --git a/clang/lib/Tooling/ASTDiff/ASTDiff.cpp b/clang/lib/Tooling/ASTDiff/ASTDiff.cpp
index 00db7702cd8..4d495228cb5 100644
--- a/clang/lib/Tooling/ASTDiff/ASTDiff.cpp
+++ b/clang/lib/Tooling/ASTDiff/ASTDiff.cpp
@@ -787,7 +787,7 @@ void ASTDiff::Impl::addOptimalMapping(Mapping &M, NodeId Id1,
     return;
   ZhangShashaMatcher Matcher(*this, T1, T2, Id1, Id2);
   std::vector<std::pair<NodeId, NodeId>> R = Matcher.getMatchingNodes();
-  for (const auto Tuple : R) {
+  for (const auto &Tuple : R) {
     NodeId Src = Tuple.first;
     NodeId Dst = Tuple.second;
     if (!M.hasSrc(Src) && !M.hasDst(Dst))