Roll sdk dependency to 34357cdad108dcba734949bd13bd28c76ea285e0

pkg/fletchc/lib/src/driver/driver_isolate.dart

 // Copyright (c) 2015, the Fletch 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.md file.
 
 library fletchc.driver_isolate;
 
 import 'dart:async' show
     Completer,
     EventSink,
     Future,
     Stream,
     StreamController,
     StreamIterator,
     StreamSubscription,
     StreamTransformer,
     ZoneSpecification,
     runZoned;
 
 import 'dart:isolate' show
     ReceivePort,
     SendPort;
 
 import 'driver_commands.dart' show
     Command,
     CommandSender,
-    DriverCommand,
-    stringifyError;
+    DriverCommand;
 
 import '../diagnostic.dart' show
     DiagnosticKind,
     InputError,
     throwInternalError;
 
 import 'exit_codes.dart' show
     COMPILER_EXITCODE_CRASH;
 
 // TODO(ahe): Send DriverCommands directly when they are canonicalized
@@ skipping 130 matching lines @@
   }
 
   void endTask(int exitCode) {
     clientIncoming.close();
 
     commandSender.sendExitCode(exitCode);
 
     commandSender.sendClose();
   }
 }