Remove runtime flags for Proxy and Reflect

test/mjsunit/harmony/proxies-prototype-target-stackoverflow.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.
-
-// Flags: --harmony-proxies --harmony-reflect
-
-// Test that traps that involve walking the target object's prototype chain
-// don't overflow the stack when the original proxy is on that chain.
-
-(function TestGetPrototype() {
-  var p = new Proxy({}, {});
-  p.__proto__ = p;
-  try { return p.__proto__; } catch(e) { assertInstanceof(e, RangeError); }
-})();
-
-(function TestSetPrototype() {
-  var p = new Proxy({}, {});
-  p.__proto__ = p;
-  try { p.__proto__ = p; } catch(e) { assertInstanceof(e, RangeError); }
-})();
-
-(function TestHasProperty() {
-  var p = new Proxy({}, {});
-  p.__proto__ = p;
-  try {
-    return Reflect.has(p, "foo");
-  } catch(e) { assertInstanceof(e, RangeError); }
-})();
-
-(function TestSet() {
-  var p = new Proxy({}, {});
-  p.__proto__ = p;
-  try { p.foo = 1; } catch(e) { assertInstanceof(e, RangeError); }
-})();
-
-(function TestGet() {
-  var p = new Proxy({}, {});
-  p.__proto__ = p;
-  try { return p.foo; } catch(e) { assertInstanceof(e, RangeError); }
-})();
-
-(function TestEnumerate() {
-  var p = new Proxy({}, {});
-  p.__proto__ = p;
-  try { for (var x in p) {} } catch(e) { assertInstanceof(e, RangeError); }
-})();
-
-// The following traps don't involve the target object's prototype chain;
-// we test them anyway for completeness.
-
-(function TestIsExtensible() {
-  var p = new Proxy({}, {});
-  p.__proto__ = p;
-  return Reflect.isExtensible(p);
-})();
-
-(function TestPreventExtensions() {
-  var p = new Proxy({}, {});
-  p.__proto__ = p;
-  Reflect.preventExtensions(p);
-})();
-
-(function TestGetOwnPropertyDescriptor() {
-  var p = new Proxy({}, {});
-  p.__proto__ = p;
-  return Object.getOwnPropertyDescriptor(p, "foo");
-})();
-
-(function TestDeleteProperty() {
-  var p = new Proxy({}, {});
-  p.__proto__ = p;
-  delete p.foo;
-})();
-
-(function TestDefineProperty() {
-  var p = new Proxy({}, {});
-  p.__proto__ = p;
-  Object.defineProperty(p, "foo", {value: "bar"});
-})();
-
-(function TestOwnKeys() {
-  var p = new Proxy({}, {});
-  p.__proto__ = p;
-  return Reflect.ownKeys(p);
-})();
-
-(function TestCall() {
-  var p = new Proxy(function() {}, {});
-  p.__proto__ = p;
-  return p();
-})();
-
-(function TestConstruct() {
-  var p = new Proxy(function() { this.foo = 1; }, {});
-  p.__proto__ = p;
-  return new p();
-})();