Generated front_end/testcases/inference test files from Analyzer tests.

pkg/front_end/testcases/inference/block_bodied_lambdas_async_star.dart

+// Copyright (c) 2017, 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.
+
+/*@testedFeatures=inference*/
+library test;
+
+import 'dart:async';
+
+main() {
+  var /*@type=() → Stream<num>*/ f = /*@returnType=Stream<num>*/ () async* {
+    yield 1;
+    Stream<double> s;
+    yield* /*@promotedType=none*/ s;
+  };
+  Stream<num> g = /*@promotedType=none*/ f();
+  Stream<int> h = /*info:ASSIGNMENT_CAST*/ /*@promotedType=none*/ f();
+}