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

pkg/front_end/testcases/inference/block_bodied_lambdas_lub.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:math' show Random;
+
+test2() {
+  List<num> o;
+  var /*@type=Iterable<num>*/ y = /*@promotedType=none*/ o
+      .map(/*@returnType=num*/ (/*@type=num*/ x) {
+    if (new Random().nextBool()) {
+      return x.toInt() + 1;
+    } else {
+      return x.toDouble();
+    }
+  });
+  Iterable<num> w = /*@promotedType=none*/ y;
+  Iterable<int> z = /*info:ASSIGNMENT_CAST*/ /*@promotedType=none*/ y;
+}