Reinstall previous behavior for Set and Queue toString.

runtime/lib/typed_data.dart

 // Copyright (c) 2013, 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.
 
 // patch classes for Int8List ..... Float64List and ByteData implementations.
 
 import "dart:_internal";
 import 'dart:math' show Random;
 
 patch class Int8List {
@@ skipping 571 matching lines @@
     setRange(index, end, iterable);
   }
 
   void fillRange(int start, int end, [fillValue]) {
     IterableMixinWorkaround.fillRangeList(this, start, end, fillValue);
   }
 
 
   // Method(s) implementing Object interface.
 
-  String toString() {
-    return IterableMixinWorkaround.toStringIterable(this, '[', ']');
-  }
+  String toString() => ListBase.listToString(this);
 
 
   // Internal utility methods.
 
   // Returns true if operation succeeds.
   // 'fromCid' and 'toCid' may be cid-s of the views and therefore may not
   // match the cids of 'this' and 'from'.
   // Uses toCid and fromCid to decide if clamping is necessary.
   // Element size of toCid and fromCid must match (test at caller).
   bool _setRange(int startInBytes, int lengthInBytes,
@@ skipping 3027 matching lines @@
     return value;
   }
   return object;
 }
 
 
 void _throwRangeError(int index, int length) {
   String message = "$index must be in the range [0..$length)";
   throw new RangeError(message);
 }