Make the condition for when this is predeclared easier to understand.

src/parsing/parser-base.h

 // 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.
 
 #ifndef V8_PARSING_PARSER_BASE_H
 #define V8_PARSING_PARSER_BASE_H
 
 #include "src/ast/scopes.h"
 #include "src/bailout-reason.h"
 #include "src/base/hashmap.h"
@@ skipping 649 matching lines @@
           first_initializer_loc(Scanner::Location::invalid()),
           bindings_loc(Scanner::Location::invalid()) {}
 
     DeclarationDescriptor descriptor;
     List<Declaration> declarations;
     Scanner::Location first_initializer_loc;
     Scanner::Location bindings_loc;
   };
 
   DeclarationScope* NewScriptScope() const {
-    return new (zone()) DeclarationScope(zone());
+    return new (zone()) DeclarationScope(zone(), ast_value_factory());
   }
 
   DeclarationScope* NewVarblockScope() const {
     return new (zone()) DeclarationScope(zone(), scope(), BLOCK_SCOPE);
   }
 
   ModuleScope* NewModuleScope(DeclarationScope* parent) const {
     return new (zone()) ModuleScope(parent, ast_value_factory());
   }
 
@@ skipping 3007 matching lines @@
     has_seen_constructor_ = true;
     return;
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_BASE_H