Change exception type to Object.

test/cctest/test-parsing.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1321 matching lines @@
     SetParserFlags(&parser, flags);
     info.MarkAsGlobal();
     parser.Parse();
     function = info.function();
   }
 
   // Check that preparsing fails iff parsing fails.
   if (function == NULL) {
     // Extract exception from the parser.
     CHECK(isolate->has_pending_exception());
-    i::MaybeObject* maybe_object = isolate->pending_exception();
-    i::JSObject* exception = NULL;
-    CHECK(maybe_object->To(&exception));
-    i::Handle<i::JSObject> exception_handle(exception);
+    i::Handle<i::JSObject> exception_handle(
+        i::JSObject::cast(isolate->pending_exception()));
     i::Handle<i::String> message_string =
         i::Handle<i::String>::cast(i::GetProperty(exception_handle, "message"));
 
     if (result == kSuccess) {
       i::OS::Print(
           "Parser failed on:\n"
           "\t%s\n"
           "with error:\n"
           "\t%s\n"
           "However, we expected no error.",
@@ skipping 1214 matching lines @@
   RunParserSyncTest(assignment_context_data, bad_statement_data_common, kError);
   RunParserSyncTest(assignment_context_data, bad_statement_data_for_assignment,
                     kError);
 
   RunParserSyncTest(prefix_context_data, good_statement_data, kSuccess);
   RunParserSyncTest(prefix_context_data, bad_statement_data_common, kError);
 
   RunParserSyncTest(postfix_context_data, good_statement_data, kSuccess);
   RunParserSyncTest(postfix_context_data, bad_statement_data_common, kError);
 }