Split --harmony-unicode and --harmony-unicode-regexps.

test/mjsunit/harmony/unicode-escapes-in-regexps.js

 // Copyright 2014 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.
 
 // ES6 extends the \uxxxx escape and also allows \u{xxxxx}.
 
-// Flags: --harmony-unicode --harmony-regexps
+// Flags: --harmony-unicode-regexps --harmony-regexps
 
 function testRegexpHelper(r) {
   assertTrue(r.test("foo"));
   assertTrue(r.test("boo"));
   assertFalse(r.test("moo"));
 }
 
 
 (function TestUnicodeEscapes() {
   testRegexpHelper(/(\u0066|\u0062)oo/);
@@ skipping 185 matching lines @@
 
 
 (function ToString() {
   // Test that the u flag is included in the string representation of regexps.
   function helper(r) {
     assertEquals(r.toString(), "/foo/u");
   }
   helper(/foo/u);
   helper(new RegExp("foo", "u"));
 })();