Fix issues in name resolution

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/flags.h"
 
 #ifndef DART_PRECOMPILED_RUNTIME
 
 #include "lib/invocation_mirror.h"
@@ skipping 11614 matching lines @@
     Object& obj = Object::Handle(Z);
     const bool is_private_name =
         (extractor_name.CharAt(0) == Library::kPrivateIdentifierStart);
     if (!is_private_name) {
       // Private names are not exported by libraries. The name mangling
       // of private names with a library-specific suffix usually ensures
       // that _x in library A is not found when looked up from library B.
       // In the pathological case where a library imports itself with
       // a prefix, the name mangling does not help in hiding the private
       // name, so we explicitly prevent lookup of private names here.
-      obj = prefix.LookupObject(extractor_name);
+      if (is_setter_name) {
+        String& setter_name =
+            String::Handle(Z, Field::SetterName(extractor_name));
+        obj = prefix.LookupObject(setter_name);
+      }
+      if (obj.IsNull()) {
+        obj = prefix.LookupObject(extractor_name);
+      }
     }
     if (!prefix.is_loaded() && (parsed_function() != NULL)) {
       // Remember that this function depends on an import prefix of an
       // unloaded deferred library.
       parsed_function()->AddDeferredPrefix(prefix);
     }
 
     if (obj.IsFunction()) {
       const Function& func = Function::Cast(obj);
       if (!func.IsSetterFunction() || is_setter_name) {
@@ skipping 2794 matching lines @@
     const ArgumentListNode& function_args,
     const LocalVariable* temp_for_last_arg,
     bool is_super_invocation) {
   UNREACHABLE();
   return NULL;
 }
 
 }  // namespace dart
 
 #endif  // DART_PRECOMPILED_RUNTIME