[V8] Run clang-tidy performance-for-range-copy check on src/

src/compiler/js-create-lowering.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/js-create-lowering.h"
 
 #include "src/allocation-site-scopes.h"
 #include "src/code-factory.h"
 #include "src/compilation-dependencies.h"
 #include "src/compiler/access-builder.h"
@@ skipping 1232 matching lines @@
                    Type::OtherObject());
   builder.Store(AccessBuilder::ForMap(), boilerplate_map);
   builder.Store(AccessBuilder::ForJSObjectProperties(), properties);
   builder.Store(AccessBuilder::ForJSObjectElements(), elements);
   if (boilerplate_map->IsJSArrayMap()) {
     Handle<JSArray> boilerplate_array = Handle<JSArray>::cast(boilerplate);
     builder.Store(
         AccessBuilder::ForJSArrayLength(boilerplate_array->GetElementsKind()),
         handle(boilerplate_array->length(), isolate()));
   }
-  for (auto const inobject_field : inobject_fields) {
+  for (auto const& inobject_field : inobject_fields) {
     builder.Store(inobject_field.first, inobject_field.second);
   }
   return builder.Finish();
 }
 
 Node* JSCreateLowering::AllocateFastLiteralElements(
     Node* effect, Node* control, Handle<JSObject> boilerplate,
     PretenureFlag pretenure, AllocationSiteUsageContext* site_context) {
   Handle<FixedArrayBase> boilerplate_elements(boilerplate->elements(),
                                               isolate());
@@ skipping 114 matching lines @@
   return jsgraph()->simplified();
 }
 
 MachineOperatorBuilder* JSCreateLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8