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

pkg/front_end/testcases/inference/propagate_inference_transitively2.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;
+
+class A {
+  int x = 42;
+}
+
+class B {
+  A a = new A();
+}
+
+class C {
+  B b = new B();
+}
+
+class D {
+  C c = new C();
+}
+
+void main() {
+  var /*@type=D*/ d1 = new D();
+  print(/*@promotedType=none*/ d1.c.b.a.x);
+
+  D d2 = new D();
+  print(/*@promotedType=none*/ d2.c.b.a.x);
+}