Port regexp tests from V8 to Dart.

tests/corelib/regexp/norepeat_test.dart

Index: tests/corelib/regexp/norepeat_test.dart
diff --git a/tests/lib/profiler/metrics_num_test.dart b/tests/corelib/regexp/norepeat_test.dart
similarity index 56%
copy from tests/lib/profiler/metrics_num_test.dart
copy to tests/corelib/regexp/norepeat_test.dart
index d6a6689809a6a22173425311e424e16da8f0b345..a05aad9ce3d17d3b56d0e861a9d4a1fd18ebbd10 100644
--- a/tests/lib/profiler/metrics_num_test.dart
+++ b/tests/corelib/regexp/norepeat_test.dart
@@ -1,18 +1,16 @@
 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
-//
 
-import 'dart:profiler';
+import 'util.dart';
 import 'package:expect/expect.dart';
 
-testGaugeDouble() {
-  Expect.throws(() {
-    // max argument is not a double
-    gauge = new Gauge('test', 'alpha bravo', 1.0, 4);
-  });
-}
+void main() {
+  description(
+  'Test for https://bugs.webkit.org/show_bug.cgi?id=46077'
+  );
 
-main() {
-  testGaugeDouble();
+  var re = new RegExp(r"^b|^cd");
+  var str = "abcd";
+  shouldBeFalse(re.hasMatch(str));
 }