Allocate block-scoped global bindings to global context.

src/heap.cc

 // 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 4902 matching lines @@
 MaybeObject* Heap::AllocateGlobalContext(JSFunction* function,
                                          ScopeInfo* scope_info) {
   Object* result;
   { MaybeObject* maybe_result =
         AllocateFixedArray(scope_info->ContextLength(), TENURED);
     if (!maybe_result->ToObject(&result)) return maybe_result;
   }
   Context* context = reinterpret_cast<Context*>(result);
   context->set_map_no_write_barrier(global_context_map());
   context->set_closure(function);
+  context->set_previous(function->context());
   context->set_extension(scope_info);
+  context->set_global_object(function->context()->global_object());
   ASSERT(context->IsGlobalContext());
   ASSERT(result->IsContext());
   return context;
 }
 
 
 MaybeObject* Heap::AllocateModuleContext(ScopeInfo* scope_info) {
   Object* result;
   { MaybeObject* maybe_result =
         AllocateFixedArray(scope_info->ContextLength(), TENURED);
@@ skipping 2350 matching lines @@
       static_cast<int>(object_sizes_last_time_[index]));
   FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(ADJUST_LAST_TIME_OBJECT_COUNT)
 #undef ADJUST_LAST_TIME_OBJECT_COUNT
 
   memcpy(object_counts_last_time_, object_counts_, sizeof(object_counts_));
   memcpy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_));
   ClearObjectStats();
 }
 
 } }  // namespace v8::internal