ES6 unicode escapes, part 2: Regexps.

test/mjsunit/harmony/regexp-flags.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.
 
-// Flags: --harmony-regexps
+// Flags: --harmony-regexps --harmony-unicode
 
 RegExp.prototype.flags = 'setter should be undefined';
 
 assertEquals('', RegExp('').flags);
 assertEquals('', /./.flags);
-assertEquals('gimy', RegExp('', 'ygmi').flags);
-assertEquals('gimy', /foo/ymig.flags);
-
-// TODO(dslomov): When support for the `u` flag is added, uncomment the first
-// line below and remove the second line.
-//assertEquals(RegExp('', 'yumig').flags, 'gimuy');
-assertThrows(function() { RegExp('', 'yumig').flags; }, SyntaxError);
+assertEquals('gimuy', RegExp('', 'yugmi').flags);
+assertEquals('gimuy', /foo/yumig.flags);
 
 var descriptor = Object.getOwnPropertyDescriptor(RegExp.prototype, 'flags');
 assertTrue(descriptor.configurable);
 assertFalse(descriptor.enumerable);
 assertInstanceof(descriptor.get, Function);
 assertEquals(undefined, descriptor.set);
 
 function testGenericFlags(object) {
   return descriptor.get.call(object);
 }
@@ skipping 24 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);