Revert of Ship --harmony-regexp-exec

test/mjsunit/es6/regexp-flags.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-unicode-regexps
 
 var r1 = /abc/gi;
 assertEquals("abc", r1.source);
 assertTrue(r1.global);
 assertTrue(r1.ignoreCase);
@@ skipping 26 matching lines @@
   get: function() { get_count++; return true; }
 });
 
 assertTrue(r3.global);
 assertEquals(1, get_count);
 assertTrue(r3.ignoreCase);
 assertEquals(2, get_count);
 // Overridden flag getters affects the flags getter.
 assertEquals("gi", r3.flags);
 assertEquals(4, get_count);
-// Overridden flag getters affect string.replace
-// TODO(adamk): Add more tests here once we've switched
-// to use [[OriginalFlags]] in more cases.
+// Overridden flag getters do not affect the internal flags.
 assertEquals(expected, string.replace(r3, "X"));
-assertEquals(5, get_count);
+assertEquals(4, get_count);
 
 
 function testName(name) {
   // TODO(littledan): For web compatibility, we don't throw an exception,
   // but ES2015 expects an exception to be thrown from this getter.
   if (name === "source") {
     assertThrows(() => RegExp.prototype[name], TypeError);
   } else {
     assertEquals(undefined, RegExp.prototype[name]);
   }
@@ skipping 53 matching lines @@
   },
   get unicode() {
     map.u = counter++;
   },
   get sticky() {
     map.y = counter++;
   }
 };
 testGenericFlags(object);
 assertEquals({ g: 0, i: 1, m: 2, u: 3, y: 4 }, map);