Add missing type finalization for function literals not assigned to a function

runtime/bin/builtin_natives.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 "bin/builtin.h"
 
 #include <stdlib.h>
 #include <string.h>
 
 #include "bin/dartutils.h"
@@ skipping 70 matching lines @@
 
 Dart_NativeFunction Builtin::NativeLookup(Dart_Handle name,
                                           int argument_count) {
   const char* function_name = NULL;
   Dart_Handle result = Dart_StringToCString(name, &function_name);
   DART_CHECK_VALID(result);
   ASSERT(function_name != NULL);
   int num_entries = sizeof(BuiltinEntries) / sizeof(struct NativeEntries);
   for (int i = 0; i < num_entries; i++) {
     struct NativeEntries* entry = &(BuiltinEntries[i]);
-    if (!strcmp(function_name, entry->name_)) {
-      if (entry->argument_count_ == argument_count) {
-        return reinterpret_cast<Dart_NativeFunction>(entry->function_);
-      } else {
-        // Wrong number of arguments.
-        // TODO(regis): Should we pass a buffer for error reporting?
-        return NULL;
-      }
+    if (!strcmp(function_name, entry->name_) &&
+        (entry->argument_count_ == argument_count)) {
+      return reinterpret_cast<Dart_NativeFunction>(entry->function_);
     }
   }
   return NULL;
 }
 
 
 // Implementation of native functions which are used for some
 // test/debug functionality in standalone dart mode.
 
 void Builtin::PrintString(FILE* out, Dart_Handle str) {
@@ skipping 36 matching lines @@
   Dart_Handle isolate_lib = Dart_LookupLibrary(url);
   DART_CHECK_VALID(isolate_lib);
   Dart_Handle timer_closure =
       Dart_Invoke(io_lib, Dart_NewString("_getTimerFactoryClosure"), 0, NULL);
   Dart_Handle args[1];
   args[0] = timer_closure;
   DART_CHECK_VALID(Dart_Invoke(isolate_lib,
                                Dart_NewString("_setTimerFactoryClosure"),
                                1, args));
 }