[stubs] Convert InternalArrayNoArgumentsConstructor to a TurboFan stub

src/code-stubs.cc

 // 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.
 
 #include "src/code-stubs.h"
 
 #include <sstream>
 
 #include "src/bootstrapper.h"
 #include "src/code-factory.h"
@@ skipping 4247 matching lines @@
           ArrayNoArgumentConstructorDescriptor::kFunctionIndex),
       JSFunction::kContextOffset);
   bool track_allocation_site =
       AllocationSite::GetMode(elements_kind()) == TRACK_ALLOCATION_SITE &&
       override_mode() != DISABLE_ALLOCATION_SITES;
   Node* allocation_site =
       track_allocation_site
           ? assembler->Parameter(
                 ArrayNoArgumentConstructorDescriptor::kAllocationSiteIndex)
           : nullptr;
-  Node* array = assembler->AllocateJSArray(elements_kind(), native_context,
+  Node* array_map =
+      assembler->LoadJSArrayElementsMap(elements_kind(), native_context);
+  Node* array = assembler->AllocateJSArray(elements_kind(), array_map,
                                            JSArray::kPreallocatedArrayElements,
                                            0, allocation_site);
   assembler->Return(array);
 }
 
+void InternalArrayNoArgumentConstructorStub::GenerateAssembly(
+    CodeStubAssembler* assembler) const {
+  typedef compiler::Node Node;
+  Node* array_map = assembler->LoadObjectField(
+      assembler->Parameter(
+          ArrayNoArgumentConstructorDescriptor::kFunctionIndex),
+      JSFunction::kPrototypeOrInitialMapOffset);
+  Node* array = assembler->AllocateJSArray(elements_kind(), array_map,
+                                           JSArray::kPreallocatedArrayElements,
+                                           0, nullptr);
+  assembler->Return(array);
+}
+
 ArrayConstructorStub::ArrayConstructorStub(Isolate* isolate)
     : PlatformCodeStub(isolate) {
   minor_key_ = ArgumentCountBits::encode(ANY);
   ArrayConstructorStubBase::GenerateStubsAheadOfTime(isolate);
 }
 
 
 ArrayConstructorStub::ArrayConstructorStub(Isolate* isolate,
                                            int argument_count)
     : PlatformCodeStub(isolate) {
@@ skipping 28 matching lines @@
   if (type->Is(Type::UntaggedPointer())) {
     return Representation::External();
   }
 
   DCHECK(!type->Is(Type::Untagged()));
   return Representation::Tagged();
 }
 
 }  // namespace internal
 }  // namespace v8