Simplify flow graph building for instantiator.

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 "platform/utils.h"
 #include "vm/bootstrap.h"
 #include "vm/class_finalizer.h"
@@ skipping 853 matching lines @@
     LocalVariable* instantiator = NULL;
     const bool kTestOnly = true;
     if (parser.current_function().IsInFactoryScope()) {
       instantiator = parser.LookupTypeArgumentsParameter(node_sequence->scope(),
                                                          kTestOnly);
     } else {
       instantiator = parser.LookupReceiver(node_sequence->scope(), kTestOnly);
     }
     if (!parser.current_function().IsLocalFunction() ||
         ((instantiator != NULL) && instantiator->is_captured())) {
-      parsed_function->set_instantiator(
-          new LoadLocalNode(node_sequence->token_pos(), instantiator));
+      parsed_function->set_instantiator(instantiator);
     }
   }
 
   parsed_function->set_default_parameter_values(default_parameter_values);
 }
 
 
 RawObject* Parser::ParseMetadata(const Class& cls, intptr_t token_pos) {
   Isolate* isolate = Isolate::Current();
   StackZone zone(isolate);
@@ skipping 10069 matching lines @@
 void Parser::SkipQualIdent() {
   ASSERT(IsIdentifier());
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     ConsumeToken();  // Consume the kPERIOD token.
     ExpectIdentifier("identifier expected after '.'");
   }
 }
 
 }  // namespace dart