[elements] Handlify SloppyArguments IndexOfValueImpl

test/mjsunit/regress/regress-645680.js

+// Copyright 2016 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.
+
+// Flags: --expose-gc
+//
+function getRandomProperty(v, rand) {
+  var properties = Object.getOwnPropertyNames(v);
+  if ("constructor" && v.constructor.hasOwnProperty()) {; }
+  if (properties.length == 0) { return "0"; }
+  return properties[rand % properties.length];
+}
+
+var __v_18 = (function( b) { return arguments; })("foo", NaN, "bar");
+__v_18.__p_293850326 = "foo";
+__v_18.__defineGetter__(getRandomProperty( 990787501), function() {
+  gc();
+  return __v_18.__p_293850326;
+});
+Array.prototype.indexOf.call(__v_18)