Introduce AllocateInNewSpace stub.

src/code-stubs-hydrogen.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 "src/bailout-reason.h"
 #include "src/field-index.h"
 #include "src/hydrogen.h"
 #include "src/ic/ic.h"
@@ skipping 1122 matching lines @@
   AddStoreMapConstant(result, isolate()->factory()->heap_number_map());
   return result;
 }
 
 
 Handle<Code> AllocateHeapNumberStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 
+template <>
+HValue* CodeStubGraphBuilder<AllocateInNewSpaceStub>::BuildCodeStub() {
+  HValue* result = Add<HAllocate>(GetParameter(0), HType::Tagged(), NOT_TENURED,
+                                  JS_OBJECT_TYPE);
+  return result;
+}
+
+
+Handle<Code> AllocateInNewSpaceStub::GenerateCode() {
+  return DoGenerateCode(this);
+}
+
+
 HValue* CodeStubGraphBuilderBase::BuildArrayConstructor(
     ElementsKind kind,
     AllocationSiteOverrideMode override_mode,
     ArgumentClass argument_class) {
   HValue* constructor = GetParameter(ArrayConstructorStubBase::kConstructor);
   HValue* alloc_site = GetParameter(ArrayConstructorStubBase::kAllocationSite);
   JSArrayBuilder array_builder(this, kind, alloc_site, constructor,
                                override_mode);
   HValue* result = NULL;
   switch (argument_class) {
@@ skipping 1199 matching lines @@
   return Pop();
 }
 
 
 Handle<Code> KeyedLoadGenericStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 }  // namespace internal
 }  // namespace v8