Fix closure creation from function.

runtime/vm/object.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/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 4499 matching lines @@
   const Function& result = Function::Handle(
       Function::New(name,
                     RawFunction::kClosureFunction,
                     /* is_static = */ parent.is_static(),
                     /* is_const = */ false,
                     /* is_abstract = */ false,
                     /* is_external = */ false,
                     parent_owner,
                     token_pos));
   result.set_parent_function(parent);
+  result.set_end_token_pos(parent.end_token_pos());

[hausner, 2013/07/10 21:55:49]

As discussed offline, you need to make your change in ImplicitClosureFunction()
below.

[Michael Lippautz (Google), 2013/07/10 22:33:10]

Done.

+  AbstractType& parent_result = AbstractType::Handle(parent.result_type());
+  if (!parent_result.IsNull()) {
+    result.set_result_type(parent_result);
+  }
   return result.raw();
 }
 
 
 RawFunction* Function::ImplicitClosureFunction() const {
   // Return the existing implicit closure function if any.
   if (implicit_closure_function() != Function::null()) {
     return implicit_closure_function();
   }
   ASSERT(!IsSignatureFunction() && !IsClosureFunction());
@@ skipping 9615 matching lines @@
 }
 
 
 void MirrorReference::PrintToJSONStream(JSONStream* stream, bool ref) const {
   stream->OpenObject();
   stream->CloseObject();
 }
 
 
 }  // namespace dart