Fix registration of closure functions

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 1961 matching lines @@
 
 
 void Class::AddClosureFunction(const Function& function) const {
   GrowableObjectArray& closures =
       GrowableObjectArray::Handle(raw_ptr()->closure_functions_);
   if (closures.IsNull()) {
     closures = GrowableObjectArray::New(4);
     StorePointer(&raw_ptr()->closure_functions_, closures.raw());
   }
   ASSERT(function.IsNonImplicitClosureFunction());
+  ASSERT(function.Owner() == this->raw());
   closures.Add(function);
 }
 
 
 // Lookup the innermost closure function that contains token at token_pos.
 RawFunction* Class::LookupClosureFunction(intptr_t token_pos) const {
   if (raw_ptr()->closure_functions_ == GrowableObjectArray::null()) {
     return Function::null();
   }
   const GrowableObjectArray& closures =
@@ skipping 16648 matching lines @@
   return tag_label.ToCString();
 }
 
 
 void UserTag::PrintToJSONStream(JSONStream* stream, bool ref) const {
   Instance::PrintToJSONStream(stream, ref);
 }
 
 
 }  // namespace dart