Reland "Mark internal AccessorInfo properties as 'special data properties'"

test/mjsunit/array-length.js

Index: test/mjsunit/array-length.js
diff --git a/test/mjsunit/array-length.js b/test/mjsunit/array-length.js
index 16867db733b6c98bb45b9428b86755d6c1e58e5d..04b1750a4a46023b15026000ff41caabac92125a 100644
--- a/test/mjsunit/array-length.js
+++ b/test/mjsunit/array-length.js
@@ -119,3 +119,9 @@ for (var i = 0; i < 7; i++) {
   t = a.length = 7;
   assertEquals(7, t);
 }
+
+(function () {
+  "use strict";
+  var frozen_object = Object.freeze({__proto__:[]});
+  assertThrows(function () { frozen_object.length = 10 });
+})();