Fix deferred load errors / bug #26482

runtime/lib/object.cc

 // Copyright (c) 2011, 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/bootstrap_natives.h"
 
 #include "lib/invocation_mirror.h"
 #include "vm/code_patcher.h"
 #include "vm/exceptions.h"
 #include "vm/heap.h"
@@ skipping 309 matching lines @@
 }
 
 
 DEFINE_NATIVE_ENTRY(LibraryPrefix_isLoaded, 1) {
   const LibraryPrefix& prefix =
       LibraryPrefix::CheckedHandle(zone, arguments->NativeArgAt(0));
   return Bool::Get(prefix.is_loaded()).raw();
 }
 
 
+DEFINE_NATIVE_ENTRY(LibraryPrefix_hasError, 1) {
+  const LibraryPrefix& prefix =
+      LibraryPrefix::CheckedHandle(zone, arguments->NativeArgAt(0));
+  return Bool::Get(prefix.has_error()).raw();
+}
+
+
 DEFINE_NATIVE_ENTRY(Internal_inquireIs64Bit, 0) {
 #if defined(ARCH_IS_64_BIT)
   return Bool::True().raw();
 #else
   return Bool::False().raw();
 #endif  // defined(ARCH_IS_64_BIT)
 }
 
 }  // namespace dart