Incorporate constness into inferred interfaces

src/ast.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 1478 matching lines @@
   void BindTo(Variable* var);
 
  protected:
   template<class> friend class AstNodeFactory;
 
   VariableProxy(Isolate* isolate, Variable* var);
 
   VariableProxy(Isolate* isolate,
                 Handle<String> name,
                 bool is_this,
-                int position,
-                Interface* interface);
+                Interface* interface,
+                int position);
 
   Handle<String> name_;
   Variable* var_;  // resolved variable, or NULL
   bool is_this_;
   bool is_trivial_;
   // True if this variable proxy is being used in an assignment
   // or with a increment/decrement operator.
   bool is_lvalue_;
   int position_;
   Interface* interface_;
@@ skipping 1328 matching lines @@
     VISIT_AND_RETURN(ArrayLiteral, lit)
   }
 
   VariableProxy* NewVariableProxy(Variable* var) {
     VariableProxy* proxy = new(zone_) VariableProxy(isolate_, var);
     VISIT_AND_RETURN(VariableProxy, proxy)
   }
 
   VariableProxy* NewVariableProxy(Handle<String> name,
                                   bool is_this,
-                                  int position = RelocInfo::kNoPosition,
-                                  Interface* interface =
-                                      Interface::NewValue()) {
+                                  Interface* interface = Interface::NewValue(),
+                                  int position = RelocInfo::kNoPosition) {
     VariableProxy* proxy =
-        new(zone_) VariableProxy(isolate_, name, is_this, position, interface);
+        new(zone_) VariableProxy(isolate_, name, is_this, interface, position);
     VISIT_AND_RETURN(VariableProxy, proxy)
   }
 
   Property* NewProperty(Expression* obj, Expression* key, int pos) {
     Property* prop = new(zone_) Property(isolate_, obj, key, pos);
     VISIT_AND_RETURN(Property, prop)
   }
 
   Call* NewCall(Expression* expression,
                 ZoneList<Expression*>* arguments,
@@ skipping 120 matching lines @@
  private:
   Isolate* isolate_;
   Zone* zone_;
   Visitor visitor_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_AST_H_