Update all tests

tests/compiler/dart2js_extra/bounds_check_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.
 
 main() {
   var a = [0, 1];
-  a[-1];                          /// 01: runtime error
-  a[-1] = 4;                      /// 02: runtime error
-  a[2];                           /// 03: runtime error
-  a[2] = 4;                       /// 04: runtime error
-  checkIndex(a, -1);              /// 05: runtime error
-  checkIndexedAssignment(a, -1);  /// 06: runtime error
-  checkIndex(a, 2);               /// 07: runtime error
-  checkIndexedAssignment(a, 2);   /// 08: runtime error
+  a[-1];                          //# 01: runtime error
+  a[-1] = 4;                      //# 02: runtime error
+  a[2];                           //# 03: runtime error
+  a[2] = 4;                       //# 04: runtime error
+  checkIndex(a, -1);              //# 05: runtime error
+  checkIndexedAssignment(a, -1);  //# 06: runtime error
+  checkIndex(a, 2);               //# 07: runtime error
+  checkIndexedAssignment(a, 2);   //# 08: runtime error
   checkIndex(a, 0);
   checkIndexedAssignment(a, 0);
 }
 
 checkIndex(a, b) {
   a[b];
 }
 
 checkIndexedAssignment(a, b) {
   a[b] = 1;
 }