"Reverting 14829-14832"

tests/compiler/dart2js/value_range_test.dart

 // Copyright (c) 2012, 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 'compiler_helper.dart';
 
 const int REMOVED = 0;
 const int ABOVE_ZERO = 1;
 const int BELOW_LENGTH = 2;
 const int KEPT = 3;
@@ skipping 203 matching lines @@
     case BELOW_LENGTH:
       Expect.isTrue(!generated.contains('||'));
       Expect.isTrue(generated.contains('ioore'));
       break;
 
     case KEPT:
       Expect.isTrue(generated.contains('ioore'));
       break;
 
     case ONE_CHECK:
-      RegExp regexp = new RegExp('ioore');
+      RegExp regexp = const RegExp('ioore');
       Iterator matches = regexp.allMatches(generated).iterator();
       checkNumberOfMatches(matches, 1);
       break;
 
     case ONE_ZERO_CHECK:
-      RegExp regexp = new RegExp('< 0');
+      RegExp regexp = const RegExp('< 0');
       Iterator matches = regexp.allMatches(generated).iterator();
       checkNumberOfMatches(matches, 1);
       break;
   }
 }
 
 
 main() {
   for (int i = 0; i < TESTS.length;  i += 2) {
     expect(TESTS[i], TESTS[i + 1]);
   }
 }