Fix debugger expression evaluation for top-level 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 7237 matching lines @@
 RawObject* Library::Evaluate(const String& expr) const {
   // Make a fake top-level class and evaluate the expression
   // as a static function of the class.
   Script& script = Script::Handle();
   script = Script::New(Symbols::Empty(),
                        Symbols::Empty(),
                        RawScript::kSourceTag);
   Class& temp_class =
       Class::Handle(Class::New(Symbols::TopLevel(), script, 0));
   temp_class.set_library(*this);
+  temp_class.set_is_finalized();
   return temp_class.Evaluate(expr);
 }
 
 
 void Library::InitNativeWrappersLibrary(Isolate* isolate) {
   static const int kNumNativeWrappersClasses = 4;
   ASSERT(kNumNativeWrappersClasses > 0 && kNumNativeWrappersClasses < 10);
   const String& native_flds_lib_url = Symbols::DartNativeWrappers();
   const Library& native_flds_lib = Library::Handle(
       Library::NewLibraryHelper(native_flds_lib_url, false));
@@ skipping 7657 matching lines @@
 }
 
 
 void MirrorReference::PrintToJSONStream(JSONStream* stream, bool ref) const {
   stream->OpenObject();
   stream->CloseObject();
 }
 
 
 }  // namespace dart