A64: Synchronize with r16849.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 89abe5043358c14642512f8d677104151b72a2d5..4ee437214b61ba630d6f87ac204fecda7e7ae01a 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -1323,6 +1323,13 @@ bool JSObject::ShouldTrackAllocationInfo() {
 }
 
 
+void AllocationSite::Initialize() {
+  SetElementsKind(GetInitialFastElementsKind());
+  set_dependent_code(DependentCode::cast(GetHeap()->empty_fixed_array()),
+                     SKIP_WRITE_BARRIER);
+}
+
+
 // Heuristic: We only need to create allocation site info if the boilerplate
 // elements kind is the initial elements kind.
 AllocationSiteMode AllocationSite::GetMode(
@@ -1566,21 +1573,6 @@ MaybeObject* JSObject::AllocateStorageForMap(Map* map) {
 }
 
 
-MaybeObject* JSObject::MigrateInstance() {
-  // Converting any field to the most specific type will cause the
-  // GeneralizeFieldRepresentation algorithm to create the most general existing
-  // transition that matches the object. This achieves what is needed.
-  Map* original_map = map();
-  MaybeObject* maybe_result = GeneralizeFieldRepresentation(
-      0, Representation::None(), ALLOW_AS_CONSTANT);
-  JSObject* result;
-  if (FLAG_trace_migration && maybe_result->To(&result)) {
-    PrintInstanceMigration(stdout, original_map, result->map());
-  }
-  return maybe_result;
-}
-
-
 MaybeObject* JSObject::TryMigrateInstance() {
   Map* new_map = map()->CurrentMapForDeprecated();
   if (new_map == NULL) return Smi::FromInt(0);
@@ -4495,6 +4487,8 @@ ACCESSORS(SignatureInfo, args, Object, kArgsOffset)
 ACCESSORS(TypeSwitchInfo, types, Object, kTypesOffset)
 
 ACCESSORS(AllocationSite, transition_info, Object, kTransitionInfoOffset)
+ACCESSORS(AllocationSite, dependent_code, DependentCode,
+          kDependentCodeOffset)
 ACCESSORS(AllocationSite, weak_next, Object, kWeakNextOffset)
 ACCESSORS(AllocationMemento, allocation_site, Object, kAllocationSiteOffset)
 
@@ -5729,19 +5723,23 @@ Object* JSReceiver::GetConstructor() {
 }
 
 
-bool JSReceiver::HasProperty(Name* name) {
-  if (IsJSProxy()) {
-    return JSProxy::cast(this)->HasPropertyWithHandler(name);
+bool JSReceiver::HasProperty(Handle<JSReceiver> object,
+                             Handle<Name> name) {
+  if (object->IsJSProxy()) {
+    Handle<JSProxy> proxy = Handle<JSProxy>::cast(object);
+    return JSProxy::HasPropertyWithHandler(proxy, name);
   }
-  return GetPropertyAttribute(name) != ABSENT;
+  return object->GetPropertyAttribute(*name) != ABSENT;
 }
 
 
-bool JSReceiver::HasLocalProperty(Name* name) {
-  if (IsJSProxy()) {
-    return JSProxy::cast(this)->HasPropertyWithHandler(name);
+bool JSReceiver::HasLocalProperty(Handle<JSReceiver> object,
+                                  Handle<Name> name) {
+  if (object->IsJSProxy()) {
+    Handle<JSProxy> proxy = Handle<JSProxy>::cast(object);
+    return JSProxy::HasPropertyWithHandler(proxy, name);
   }
-  return GetLocalPropertyAttribute(name) != ABSENT;
+  return object->GetLocalPropertyAttribute(*name) != ABSENT;
 }
 
 
@@ -5783,21 +5781,23 @@ MaybeObject* JSReceiver::GetIdentityHash(CreationFlag flag) {
 }
 
 
-bool JSReceiver::HasElement(uint32_t index) {
-  if (IsJSProxy()) {
-    return JSProxy::cast(this)->HasElementWithHandler(index);
+bool JSReceiver::HasElement(Handle<JSReceiver> object, uint32_t index) {
+  if (object->IsJSProxy()) {
+    Handle<JSProxy> proxy = Handle<JSProxy>::cast(object);
+    return JSProxy::HasElementWithHandler(proxy, index);
   }
-  return JSObject::cast(this)->GetElementAttributeWithReceiver(
-      this, index, true) != ABSENT;
+  return Handle<JSObject>::cast(object)->GetElementAttributeWithReceiver(
+      *object, index, true) != ABSENT;
 }
 
 
-bool JSReceiver::HasLocalElement(uint32_t index) {
-  if (IsJSProxy()) {
-    return JSProxy::cast(this)->HasElementWithHandler(index);
+bool JSReceiver::HasLocalElement(Handle<JSReceiver> object, uint32_t index) {
+  if (object->IsJSProxy()) {
+    Handle<JSProxy> proxy = Handle<JSProxy>::cast(object);
+    return JSProxy::HasElementWithHandler(proxy, index);
   }
-  return JSObject::cast(this)->GetElementAttributeWithReceiver(
-      this, index, false) != ABSENT;
+  return Handle<JSObject>::cast(object)->GetElementAttributeWithReceiver(
+      *object, index, false) != ABSENT;
 }