harmony_scoping: Implement lexical bindings at top level

src/heap/heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/base/bits.h"
 #include "src/base/once.h"
@@ skipping 2591 matching lines @@
 
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, hash_table)
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, ordered_hash_table)
 
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, function_context)
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, catch_context)
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, with_context)
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, block_context)
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, module_context)
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, global_context)
+    ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, global_context_table)
 
     ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, native_context)
     native_context_map()->set_dictionary_map(true);
     native_context_map()->set_visitor_id(
         StaticVisitorBase::kVisitNativeContext);
 
     ALLOCATE_MAP(SHARED_FUNCTION_INFO_TYPE, SharedFunctionInfo::kAlignedSize,
                  shared_function_info)
 
     ALLOCATE_MAP(JS_MESSAGE_OBJECT_TYPE, JSMessageObject::kSize, message_object)
@@ skipping 3643 matching lines @@
       static_cast<int>(object_sizes_last_time_[index]));
   CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT)
 #undef ADJUST_LAST_TIME_OBJECT_COUNT
 
   MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_));
   MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_));
   ClearObjectStats();
 }
 }
 }  // namespace v8::internal