Create symbols for string constants.

runtime/vm/parser.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/parser.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/compiler_stats.h"
@@ skipping 9425 matching lines @@
         (current_block_->scope->function_level() > 0)) {
       // Make sure that the instantiator is captured.
       CaptureInstantiator();
     }
     // If the type argument vector is not instantiated, we verify in checked
     // mode at runtime that it is within its declared bounds.
     new_object = CreateConstructorCallNode(
         new_pos, type_arguments, constructor, arguments);
   }
   if (check_result_type) {
-    const String& dst_name = String::ZoneHandle(Symbols::New("factory result"));
+    const String& dst_name = String::ZoneHandle(Symbols::FactoryResult());
     new_object = new AssignableNode(new_pos, new_object, type, dst_name);
   }
   return new_object;
 }
 
 
 String& Parser::Interpolate(ArrayNode* values) {
   const String& class_name = String::Handle(Symbols::StringBase());
   const Class& cls = Class::Handle(LookupCoreClass(class_name));
   ASSERT(!cls.IsNull());
@@ skipping 591 matching lines @@
 void Parser::SkipQualIdent() {
   ASSERT(IsIdentifier());
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     ConsumeToken();  // Consume the kPERIOD token.
     ExpectIdentifier("identifier expected after '.'");
   }
 }
 
 }  // namespace dart