[builtins] set DataView.length to 1

Refs: https://github.com/tc39/ecma262/pull/1131
Test: test262/built-ins/DataView/length
Bug: v8:7816
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: I66a06734bd32cd2043a8d04728b2185f6093bd69
Reviewed-on: https://chromium-review.googlesource.com/1094980Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53649}

src/bootstrapper.cc

@@ -3111,7 +3111,7 @@ void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object,
         Builtins::kDataViewConstructor);
     InstallWithIntrinsicDefaultProto(isolate_, data_view_fun,
                                      Context::DATA_VIEW_FUN_INDEX);
-    data_view_fun->shared()->set_length(3);
+    data_view_fun->shared()->set_length(1);
     data_view_fun->shared()->DontAdaptArguments();
 
     // Setup %DataViewPrototype%.

test/mjsunit/es6/dataview-length.js

+// Copyright 2018 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+"use strict";
+
+assertEquals(DataView.length, 1);

test/test262/test262.status

@@ -495,9 +495,6 @@
   # https://bugs.chromium.org/p/v8/issues/detail?id=7815
   'built-ins/AsyncGeneratorPrototype/constructor': [FAIL],
 
-  # https://bugs.chromxoium.org/p/v8/issues/detail?id=7816
-  'built-ins/DataView/length': [FAIL],
-
   # https://bugs.chromium.org/p/v8/issues/detail?id=7817
   'language/expressions/async-arrow-function/await-as-param-ident-nested-arrow-parameter-position': [FAIL],
   'language/expressions/async-arrow-function/await-as-param-nested-arrow-parameter-position': [FAIL],