VM: Fix performance regression introduced by r28408.

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 "lib/invocation_mirror.h"
 #include "vm/bigint_operations.h"
 #include "vm/bootstrap.h"
 #include "vm/class_finalizer.h"
@@ skipping 8109 matching lines @@
     return initializing_getter;
   }
   // The field is initialized.
   ASSERT(field.is_static());
   const Class& field_owner = Class::ZoneHandle(field.owner());
   const String& field_name = String::ZoneHandle(field.name());
   const String& getter_name = String::Handle(Field::GetterName(field_name));
   const Function& getter =
       Function::Handle(field_owner.LookupStaticFunction(getter_name));
   // Never load field directly if there is a getter (deterministic AST).
-  if (getter.IsNull()) {
+  if (getter.IsNull() || field.is_const()) {
     return new LoadStaticFieldNode(ident_pos, Field::ZoneHandle(field.raw()));
   } else {
     ASSERT(getter.kind() == RawFunction::kImplicitStaticFinalGetter);
     return new StaticGetterNode(ident_pos,
                                 NULL,  // Receiver.
                                 false,  // is_super_getter.
                                 field_owner,
                                 field_name);
   }
 }
@@ skipping 2489 matching lines @@
 void Parser::SkipQualIdent() {
   ASSERT(IsIdentifier());
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     ConsumeToken();  // Consume the kPERIOD token.
     ExpectIdentifier("identifier expected after '.'");
   }
 }
 
 }  // namespace dart