[esnext] handle elements in FastObjectValuesOrEntries()

src/objects-inl.h

 // Copyright 2012 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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 7727 matching lines @@
 }
 
 
 // Predictably converts HeapObject* or Address to uint32 by calculating
 // offset of the address in respective MemoryChunk.
 static inline uint32_t ObjectAddressForHashing(void* object) {
   uint32_t value = static_cast<uint32_t>(reinterpret_cast<uintptr_t>(object));
   return value & MemoryChunk::kAlignmentMask;
 }
 
+static inline Handle<Object> MakeEntryPair(Isolate* isolate, uint32_t index,
+                                           Handle<Object> value) {
+  Handle<Object> key = isolate->factory()->Uint32ToString(index);
+  Handle<FixedArray> entry_storage =
+      isolate->factory()->NewUninitializedFixedArray(2);
+  {
+    entry_storage->set(0, *key, SKIP_WRITE_BARRIER);
+    entry_storage->set(1, *value, SKIP_WRITE_BARRIER);
+  }
+  return isolate->factory()->NewJSArrayWithElements(entry_storage,
+                                                    FAST_ELEMENTS, 2);
+}
+
+static inline Handle<Object> MakeEntryPair(Isolate* isolate, Handle<Name> key,
+                                           Handle<Object> value) {
+  Handle<FixedArray> entry_storage =
+      isolate->factory()->NewUninitializedFixedArray(2);
+  {
+    entry_storage->set(0, *key, SKIP_WRITE_BARRIER);
+    entry_storage->set(1, *value, SKIP_WRITE_BARRIER);
+  }
+  return isolate->factory()->NewJSArrayWithElements(entry_storage,
+                                                    FAST_ELEMENTS, 2);
+}
 
 #undef TYPE_CHECKER
 #undef CAST_ACCESSOR
 #undef INT_ACCESSORS
 #undef ACCESSORS
 #undef SMI_ACCESSORS
 #undef SYNCHRONIZED_SMI_ACCESSORS
 #undef NOBARRIER_SMI_ACCESSORS
 #undef BOOL_GETTER
 #undef BOOL_ACCESSORS
@@ skipping 31 matching lines @@
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_INL_H_