Changed the global object representation

src/objects-debug.cc

Index: src/objects-debug.cc
===================================================================
--- src/objects-debug.cc	(revision 2285)
+++ src/objects-debug.cc	(working copy)
@@ -152,7 +152,9 @@
     case SHARED_FUNCTION_INFO_TYPE:
       SharedFunctionInfo::cast(this)->SharedFunctionInfoPrint();
       break;
-
+    case JS_GLOBAL_PROPERTY_CELL_TYPE:
+      JSGlobalPropertyCell::cast(this)->JSGlobalPropertyCellPrint();
+      break;
 #define MAKE_STRUCT_CASE(NAME, Name, name) \
   case NAME##_TYPE:                        \
     Name::cast(this)->Name##Print();       \
@@ -214,6 +216,9 @@
     case JS_BUILTINS_OBJECT_TYPE:
       JSBuiltinsObject::cast(this)->JSBuiltinsObjectVerify();
       break;
+    case JS_GLOBAL_PROPERTY_CELL_TYPE:
+      JSGlobalPropertyCell::cast(this)->JSGlobalPropertyCellVerify();
+      break;
     case JS_ARRAY_TYPE:
       JSArray::cast(this)->JSArrayVerify();
       break;
@@ -392,6 +397,7 @@
     case JS_OBJECT_TYPE: return "JS_OBJECT";
     case JS_CONTEXT_EXTENSION_OBJECT_TYPE: return "JS_CONTEXT_EXTENSION_OBJECT";
     case ODDBALL_TYPE: return "ODDBALL";
+    case JS_GLOBAL_PROPERTY_CELL_TYPE: return "JS_GLOBAL_PROPERTY_CELL";
     case SHARED_FUNCTION_INFO_TYPE: return "SHARED_FUNCTION_INFO";
     case JS_FUNCTION_TYPE: return "JS_FUNCTION";
     case CODE_TYPE: return "CODE";
@@ -428,6 +434,9 @@
   if (is_undetectable()) {
     PrintF(" - undetectable\n");
   }
+  if (needs_loading()) {
+    PrintF(" - needs_loading\n");
+  }
   if (has_instance_call_handler()) {
     PrintF(" - instance_call_handler\n");
   }
@@ -653,6 +662,17 @@
 }
 
 
+void JSGlobalPropertyCell::JSGlobalPropertyCellVerify() {
+  CHECK(IsJSGlobalPropertyCell());
+  VerifyObjectField(kValueOffset);
+}
+
+
+void JSGlobalPropertyCell::JSGlobalPropertyCellPrint() {
+  HeapObject::PrintHeader("JSGlobalPropertyCell");
+}
+
+
 void Code::CodePrint() {
   HeapObject::PrintHeader("Code");
 #ifdef ENABLE_DISASSEMBLER