Index: clang/lib/AST/ComputeDependence.cpp
===================================================================
--- clang/lib/AST/ComputeDependence.cpp
+++ clang/lib/AST/ComputeDependence.cpp
@@ -750,7 +750,7 @@
   // If we have explicit template arguments, check for dependent
   // template arguments and whether they contain any unexpanded pack
   // expansions.
-  for (auto A : E->template_arguments())
+  for (const auto &A : E->template_arguments())
     Deps |= toExprDependence(A.getArgument().getDependence());
   return Deps;
 }
Index: clang/lib/Frontend/FrontendActions.cpp
===================================================================
--- clang/lib/Frontend/FrontendActions.cpp
+++ clang/lib/Frontend/FrontendActions.cpp
@@ -882,7 +882,7 @@
     }
 
     // Now let's print out any modules we did not see as part of the Primary.
-    for (auto SM : SubModMap) {
+    for (const auto &SM : SubModMap) {
       if (!SM.second.Seen && SM.second.Mod) {
         Out << "  " << ModuleKindName(SM.second.Kind) << " '" << SM.first
             << "' at index #" << SM.second.Idx