Ensure slow properties for simple {__proto__:null} literals.

src/code-stub-assembler.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/code-stub-assembler.h"
 #include "src/code-factory.h"
 #include "src/frames-inl.h"
 #include "src/frames.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 4420 matching lines @@
 Node* CodeStubAssembler::GetNumberOfDeletedElements(Node* dictionary) {
   return LoadFixedArrayElement(dictionary,
                                Dictionary::kNumberOfDeletedElementsIndex);
 }
 
 template <class Dictionary>
 Node* CodeStubAssembler::GetCapacity(Node* dictionary) {
   return LoadFixedArrayElement(dictionary, Dictionary::kCapacityIndex);
 }
 
+template Node* CodeStubAssembler::GetCapacity<NameDictionary>(Node* dictionary);
+
 template <class Dictionary>
 Node* CodeStubAssembler::GetNextEnumerationIndex(Node* dictionary) {
   return LoadFixedArrayElement(dictionary,
                                Dictionary::kNextEnumerationIndexIndex);
 }
 
 template <class Dictionary>
 void CodeStubAssembler::SetNextEnumerationIndex(Node* dictionary,
                                                 Node* next_enum_index_smi) {
   StoreFixedArrayElement(dictionary, Dictionary::kNextEnumerationIndexIndex,
@@ skipping 3869 matching lines @@
         formatted.c_str(), TENURED);
     CallRuntime(Runtime::kGlobalPrint, NoContextConstant(),
                 HeapConstant(string));
   }
   CallRuntime(Runtime::kDebugPrint, NoContextConstant(), tagged_value);
 #endif
 }
 
 }  // namespace internal
 }  // namespace v8