Deoptimize closure functions in DeoptimizeWorld. This was causing

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 1488 matching lines @@
   memmove(raw_obj->ptr(), src.raw()->ptr(), size);
   if ((space == Heap::kOld) && !raw_obj->IsRemembered()) {
     StoreBufferUpdateVisitor visitor(Isolate::Current(), raw_obj);
     raw_obj->VisitPointers(&visitor);
   }
   return raw_obj;
 }
 
 
 RawString* Class::Name() const {
+  // TODO(turnidge): This assert fails for the fake kFreeListElement class.
+  // Fix this.
   ASSERT(raw_ptr()->name_ != String::null());
   return raw_ptr()->name_;
 }
 
 
 RawString* Class::UserVisibleName() const {
   if (FLAG_show_internal_names) {
     return Name();
   }
   switch (id()) {
@@ skipping 2763 matching lines @@
     ClosureData::Cast(obj).set_parent_function(value);
     return;
   }
   UNREACHABLE();
 }
 
 
 RawFunction* Function::implicit_closure_function() const {
   if (IsClosureFunction() ||
       IsSignatureFunction() ||
-      IsStaticInitializerFunction()) {
+      IsStaticInitializerFunction() ||
+      IsFactory()) {
     return Function::null();
   }
   const Object& obj = Object::Handle(raw_ptr()->data_);
   ASSERT(obj.IsNull() || obj.IsFunction());
   return (obj.IsNull()) ? Function::null() : Function::Cast(obj).raw();
 }
 
 
 void Function::set_implicit_closure_function(const Function& value) const {
   ASSERT(!IsClosureFunction() && !IsSignatureFunction());
@@ skipping 11441 matching lines @@
   return "_MirrorReference";
 }
 
 
 void MirrorReference::PrintToJSONStream(JSONStream* stream, bool ref) const {
   JSONObject jsobj(stream);
 }
 
 
 }  // namespace dart