[stubs] Implement fast TF Builtin for Object.create

test/mjsunit/object-create.js

 // Copyright 2009 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 230 matching lines @@
 assertTrue("baz" in sonOfTricky);
 assertFalse("fizz" in sonOfTricky);
 assertTrue("buzz" in sonOfTricky);
 
 var sum = 0;
 for (x in sonOfTricky) {
   assertTrue(x === 'buzz');
   sum += sonOfTricky[x];
 }
 assertEquals(16, sum);
+
+
+(function createWithEmptyProtoInfoCreateMap() {
+  var proto = {a:1};
+  var instance = {__proto__: proto };
+  // Try force creation of prototype info on proto by loading a proto property.
+  assertEquals(instance.a, 1);
+  var result = Object.create(proto, {});
+  assertEquals(result.a, 1);
+  assertEquals(result.__proto__, proto);
+})()