Allocate block-scoped global bindings to global context.

src/isolate.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 746 matching lines @@
   Failure* TerminateExecution();
 
   // Administration
   void Iterate(ObjectVisitor* v);
   void Iterate(ObjectVisitor* v, ThreadLocalTop* t);
   char* Iterate(ObjectVisitor* v, char* t);
   void IterateThread(ThreadVisitor* v);
   void IterateThread(ThreadVisitor* v, char* t);
 
 
-  // Returns the current native context.
+  // Returns the current native and global context.
   Handle<Context> native_context();
+  Handle<Context> global_context();
 
   // Returns the native context of the calling JavaScript code.  That
   // is, the native context of the top-most JavaScript frame.
   Handle<Context> GetCallingNativeContext();
 
   void RegisterTryCatchHandler(v8::TryCatch* that);
   void UnregisterTryCatchHandler(v8::TryCatch* that);
 
   char* ArchiveThread(char* to);
   char* RestoreThread(char* from);
@@ skipping 663 matching lines @@
 
 // Mark the native context with out of memory.
 inline void Context::mark_out_of_memory() {
   native_context()->set_out_of_memory(HEAP->true_value());
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_H_