Index: clang/include/clang/Analysis/FlowSensitive/DataflowWorklist.h
===================================================================
--- clang/include/clang/Analysis/FlowSensitive/DataflowWorklist.h
+++ clang/include/clang/Analysis/FlowSensitive/DataflowWorklist.h
@@ -69,7 +69,7 @@
       : ForwardDataflowWorklist(Cfg, Ctx.getAnalysis<PostOrderCFGView>()) {}
 
   void enqueueSuccessors(const CFGBlock *Block) {
-    for (const auto &B : Block->succs())
+    for (auto B : Block->succs())
       enqueueBlock(B);
   }
 };
@@ -85,7 +85,7 @@
             Ctx.getAnalysis<PostOrderCFGView>()->getComparator()) {}
 
   void enqueuePredecessors(const CFGBlock *Block) {
-    for (const auto &B : Block->preds())
+    for (auto B : Block->preds())
       enqueueBlock(B);
   }
 };
Index: clang/lib/AST/Type.cpp
===================================================================
--- clang/lib/AST/Type.cpp
+++ clang/lib/AST/Type.cpp
@@ -745,7 +745,7 @@
     memcpy(getTypeArgStorage(), typeArgs.data(),
            typeArgs.size() * sizeof(QualType));
 
-  for (const auto &typeArg : typeArgs) {
+  for (auto typeArg : typeArgs) {
     addDependence(typeArg->getDependence() & ~TypeDependence::VariablyModified);
   }
   // Initialize the protocol qualifiers. The protocol storage is known
Index: clang/lib/Sema/SemaCoroutine.cpp
===================================================================
--- clang/lib/Sema/SemaCoroutine.cpp
+++ clang/lib/Sema/SemaCoroutine.cpp
@@ -1146,7 +1146,7 @@
           Fn.CoroutinePromise->getType()->isDependentType()) {
   this->Body = Body;
 
-  for (const auto &KV : Fn.CoroutineParameterMoves)
+  for (auto KV : Fn.CoroutineParameterMoves)
     this->ParamMovesVector.push_back(KV.second);
   this->ParamMoves = this->ParamMovesVector;
 
Index: clang/lib/Sema/SemaDeclCXX.cpp
===================================================================
--- clang/lib/Sema/SemaDeclCXX.cpp
+++ clang/lib/Sema/SemaDeclCXX.cpp
@@ -801,7 +801,7 @@
           << llvm::join(BadSpecifiers.begin(), BadSpecifiers.end(), " ");
       // Don't add FixItHints to remove the specifiers; we do still respect
       // them when building the underlying variable.
-      for (const auto &Loc : BadSpecifierLocs)
+      for (auto Loc : BadSpecifierLocs)
         Err << SourceRange(Loc, Loc);
     } else if (!CPlusPlus20Specifiers.empty()) {
       auto &&Warn = Diag(CPlusPlus20SpecifierLocs.front(),