Merge (7180:7265] from bleeding_edge to the experimental/gc branch....

src/api.cc

Index: src/api.cc
===================================================================
--- src/api.cc	(revision 7557)
+++ src/api.cc	(working copy)
@@ -3960,7 +3960,9 @@
   EnsureInitialized("v8::Array::New()");
   LOG_API("Array::New");
   ENTER_V8;
-  i::Handle<i::JSArray> obj = i::Factory::NewJSArray(length);
+  int real_length = length > 0 ? length : 0;
+  i::Handle<i::JSArray> obj = i::Factory::NewJSArray(real_length);
+  obj->set_length(*i::Factory::NewNumberFromInt(real_length));
   return Utils::ToLocal(obj);
 }
 
@@ -4126,11 +4128,22 @@
                         RetainedObjectInfo* info) {
   if (IsDeadCheck("v8::V8::AddObjectGroup()")) return;
   STATIC_ASSERT(sizeof(Persistent<Value>) == sizeof(i::Object**));
-  i::GlobalHandles::AddGroup(
+  i::GlobalHandles::AddObjectGroup(
       reinterpret_cast<i::Object***>(objects), length, info);
 }
 
 
+void V8::AddImplicitReferences(Persistent<Object> parent,
+                               Persistent<Value>* children,
+                               size_t length) {
+  if (IsDeadCheck("v8::V8::AddImplicitReferences()")) return;
+  STATIC_ASSERT(sizeof(Persistent<Value>) == sizeof(i::Object**));
+  i::GlobalHandles::AddImplicitReferences(
+      *Utils::OpenHandle(*parent),
+      reinterpret_cast<i::Object***>(children), length);
+}
+
+
 int V8::AdjustAmountOfExternalAllocatedMemory(int change_in_bytes) {
   if (IsDeadCheck("v8::V8::AdjustAmountOfExternalAllocatedMemory()")) return 0;
   return i::Heap::AdjustAmountOfExternalAllocatedMemory(change_in_bytes);