[regexp] Port RegExp.prototype[@@replace]

src/js/prologue.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.
 
 (function(global, utils, extrasUtils) {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
@@ skipping 190 matching lines @@
     // From runtime:
     "is_concat_spreadable_symbol",
     "iterator_symbol",
     "object_freeze",
     "object_is_frozen",
     "object_is_sealed",
     "promise_result_symbol",
     "promise_state_symbol",
     "reflect_apply",
     "reflect_construct",
-    "regexp_flags_symbol",
     "to_string_tag_symbol",
     "object_to_string",
     "species_symbol",
     "match_symbol",
     "replace_symbol",
     "search_symbol",
     "split_symbol",
   ];
 
   var filtered_exports = {};
@@ skipping 113 matching lines @@
 
 extrasUtils.uncurryThis = function uncurryThis(func) {
   return function(thisArg, ...args) {
     return %reflect_apply(func, thisArg, args);
   };
 };
 
 %ToFastProperties(extrasUtils);
 
 })