Inline array constructor.

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1312 matching lines @@
     }
 
     return AllocationSite::GetMode(GetElementsKind()) ==
         TRACK_ALLOCATION_SITE;
   }
   return false;
 }
 
 
 void AllocationSite::Initialize() {
+  set_transition_info(Smi::FromInt(0));
   SetElementsKind(GetInitialFastElementsKind());
   set_nested_site(Smi::FromInt(0));
   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(
@@ skipping 17 matching lines @@
 
   return DONT_TRACK_ALLOCATION_SITE;
 }
 
 
 inline bool AllocationSite::CanTrack(InstanceType type) {
   return type == JS_ARRAY_TYPE;
 }
 
 
+inline DependentCode::DependencyGroup AllocationSite::ToDependencyGroup(
+    Reason reason) {
+  switch (reason) {
+    case TENURING:
+      return DependentCode::kAllocationSiteTenuringChangedGroup;
+      break;
+    case TRANSITIONS:
+      return DependentCode::kAllocationSiteTransitionChangedGroup;
+      break;
+    default:

[Toon Verwaest, 2013/11/11 13:59:28]

No need to add a default case if all cases are handled. Actually better to not
add a default case, so the compiler will complain when a new, unsupported case
is added to that enum.

[mvstanton, 2013/11/13 14:12:52]

Done.

+      UNREACHABLE();
+  }
+  return DependentCode::kAllocationSiteTransitionChangedGroup;
+}
+
+
 void JSObject::EnsureCanContainHeapObjectElements(Handle<JSObject> object) {
   object->ValidateElements();
   ElementsKind elements_kind = object->map()->elements_kind();
   if (!IsFastObjectElementsKind(elements_kind)) {
     if (IsFastHoleyElementsKind(elements_kind)) {
       TransitionElementsKind(object, FAST_HOLEY_ELEMENTS);
     } else {
       TransitionElementsKind(object, FAST_ELEMENTS);
     }
   }
@@ skipping 5030 matching lines @@
 #undef WRITE_UINT32_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_