Precompile invoke-field-dispatchers for closures.

runtime/vm/object_test.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 "platform/globals.h"
 
 #include "vm/assembler.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_entry.h"
@@ skipping 3914 matching lines @@
   cls.SetFunctions(functions);
   cls.Finalize();
 
   // Add invocation dispatcher.
   const String& invocation_dispatcher_name =
       String::Handle(Symbols::New("myMethod"));
   const Array& args_desc = Array::Handle(ArgumentsDescriptor::New(1));
   Function& invocation_dispatcher = Function::Handle();
   invocation_dispatcher ^=
       cls.GetInvocationDispatcher(invocation_dispatcher_name, args_desc,
-                                  RawFunction::kNoSuchMethodDispatcher);
+                                  RawFunction::kNoSuchMethodDispatcher,
+                                  true /* create_if_absent */);
   EXPECT(!invocation_dispatcher.IsNull());
   // Get index to function.
   intptr_t invocation_dispatcher_index =
       cls.FindInvocationDispatcherFunctionIndex(invocation_dispatcher);
   // Expect a valid index.
   EXPECT_GE(invocation_dispatcher_index, 0);
   // Retrieve function through index.
   Function& invocation_dispatcher_from_index = Function::Handle();
   invocation_dispatcher_from_index ^=
       cls.InvocationDispatcherFunctionFromIndex(invocation_dispatcher_index);
@@ skipping 806 matching lines @@
   {
     const String& empty = String::Handle(String::New(""));
     const String* data[3] = { &Symbols::FallThroughError(),
                               &empty,
                               &Symbols::isPaused() };
     CheckConcatAll(data, 3);
   }
 }
 
 }  // namespace dart