Teach ModuleDescriptor about basic local exports

src/ast-value-factory.h

 // Copyright 2014 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 218 matching lines @@
   // Internalized value (empty before internalized).
   Handle<Object> value_;
 };
 
 
 // For generating constants.
 #define STRING_CONSTANTS(F)                             \
   F(anonymous_function, "(anonymous function)")         \
   F(arguments, "arguments")                             \
   F(constructor, "constructor")                         \
+  F(default, "default")                                 \
   F(done, "done")                                       \
   F(dot, ".")                                           \
   F(dot_for, ".for")                                    \
   F(dot_generator, ".generator")                        \
   F(dot_generator_object, ".generator_object")          \
   F(dot_iterator, ".iterator")                          \
   F(dot_module, ".module")                              \
   F(dot_result, ".result")                              \
   F(empty, "")                                          \
   F(eval, "eval")                                       \
@@ skipping 112 matching lines @@
 
 bool AstRawString::IsArguments(AstValueFactory* ast_value_factory) const {
   return ast_value_factory->arguments_string() == this;
 }
 } }  // namespace v8::internal
 
 #undef STRING_CONSTANTS
 #undef OTHER_CONSTANTS
 
 #endif  // V8_AST_VALUE_FACTORY_H_