Fix error "Couldn't infer type parameter" in kernel.

pkg/kernel/lib/transformations/continuation.dart

 // Copyright (c) 2016, 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.
 
 library kernel.transformations.continuation;
 
 import 'dart:math' as math;
 
 import '../ast.dart';
 import '../core_types.dart';
@@ skipping 137 matching lines @@
     enclosingFunction.body.parent = enclosingFunction;
     enclosingFunction.asyncMarker = AsyncMarker.Sync;
     return enclosingFunction;
   }
 
   Statement buildClosureBody() {
     // The body will insert calls to
     //    :iterator.current_=
     //    :iterator.isYieldEach=
     // and return `true` as long as it did something and `false` when it's done.
-    return new Block([
+    return new Block(<Statement>[
         enclosingFunction.body.accept(this),
         new ReturnStatement(new BoolLiteral(false))
     ]);
   }
 
   visitYieldStatement(YieldStatement node) {
     var transformedExpression = node.expression.accept(this);
 
     var statements = <Statement>[];
     if (node.isYieldStar) {
@@ skipping 801 matching lines @@
         findConstructor(syncIterableClass, ''),
         findConstructor(streamIteratorClass, ''),
         findFactoryConstructor(futureClass, 'microtask'),
         findConstructor(streamControllerClass, ''),
         findProcedure(asyncLibrary, '_asyncThenWrapperHelper'),
         findProcedure(asyncLibrary, '_asyncErrorWrapperHelper'),
         findProcedure(asyncLibrary, '_awaitHelper'),
         new CoreTypes(program));
   }
 }