[es6] Object.getOwnPropertyDescriptor should wrap primitives

In ES6 Object.getOwnPropertyDescriptor should call ToObject, which
means that primitive values will return descriptors from the wrapper.

BUG=v8:3964
LOG=N
R=adamk, rossberg@chromium.org
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_rel_ng;tryserver.blink:linux_blink_rel

Review URL: https://codereview.chromium.org/998163004

Cr-Commit-Position: refs/heads/master@{#27569}

src/v8natives.js

@@ -1000,13 +1000,9 @@ function ObjectSetPrototypeOf(obj, proto) {
 }
 
 
-// ES5 section 15.2.3.3
+// ES6 section 19.1.2.6
 function ObjectGetOwnPropertyDescriptor(obj, p) {
-  if (!IS_SPEC_OBJECT(obj)) {
-    throw MakeTypeError("called_on_non_object",
-                        ["Object.getOwnPropertyDescriptor"]);
-  }
-  var desc = GetOwnPropertyJS(obj, p);
+  var desc = GetOwnPropertyJS(TO_OBJECT_INLINE(obj), p);
   return FromPropertyDescriptor(desc);
 }
 

test/mjsunit/get-own-property-descriptor-non-objects.js

+// Copyright 2015 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.
+
+assertThrows(function() {
+  Object.getOwnPropertyDescriptor(null, 'x');
+}, TypeError);
+
+
+assertThrows(function() {
+  Object.getOwnPropertyDescriptor(undefined, 'x');
+}, TypeError);
+
+
+assertEquals({
+  configurable: false,
+  enumerable: false,
+  value: 3,
+  writable: false,
+}, Object.getOwnPropertyDescriptor('abc', 'length'));
+
+
+assertEquals({
+  configurable: false,
+  enumerable: true,
+  value: 'a',
+  writable: false,
+}, Object.getOwnPropertyDescriptor('abc', 0));
+
+
+assertSame(undefined, Object.getOwnPropertyDescriptor(42, 'x'));
+assertSame(undefined, Object.getOwnPropertyDescriptor(true, 'x'));
+assertSame(undefined, Object.getOwnPropertyDescriptor(false, 'x'));
+assertSame(undefined, Object.getOwnPropertyDescriptor(Symbol(), 'x'));

test/test262-es6/test262-es6.status

@@ -265,9 +265,6 @@
   'built-ins/Object/freeze/15.2.3.9-1-2': [FAIL],
   'built-ins/Object/freeze/15.2.3.9-1-3': [FAIL],
   'built-ins/Object/freeze/15.2.3.9-1-4': [FAIL],
-  'built-ins/Object/getOwnPropertyDescriptor/15.2.3.3-1': [FAIL],
-  'built-ins/Object/getOwnPropertyDescriptor/15.2.3.3-1-3': [FAIL],
-  'built-ins/Object/getOwnPropertyDescriptor/15.2.3.3-1-4': [FAIL],
   'built-ins/Object/getOwnPropertyDescriptor/15.2.3.3-4-212': [FAIL],
   'built-ins/Object/getOwnPropertyDescriptor/15.2.3.3-4-213': [FAIL],
   'built-ins/Object/getOwnPropertyDescriptor/15.2.3.3-4-214': [FAIL],

test/test262/test262.status

@@ -195,6 +195,11 @@
   '15.2.3.2-1-3': [FAIL],
   '15.2.3.2-1-4': [FAIL],
 
+  # Object.getOwnPropertyDescriptor wraps primitives in ES6.
+  '15.2.3.3-1': [FAIL],
+  '15.2.3.3-1-3': [FAIL],
+  '15.2.3.3-1-4': [FAIL],
+
   ######################## NEEDS INVESTIGATION ###########################
 
   # These test failures are specific to the intl402 suite and need investigation