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

pkg/front_end/testcases/inference/dont_infer_type_when_initializer_is_null.dart

Index: pkg/front_end/testcases/inference/dont_infer_type_when_initializer_is_null.dart
diff --git a/pkg/front_end/testcases/inference/dont_infer_type_when_initializer_is_null.dart b/pkg/front_end/testcases/inference/dont_infer_type_when_initializer_is_null.dart
new file mode 100644
index 0000000000000000000000000000000000000000..670ca4cf7d4ac4cbc1eb5f3b6b48a19e533cba5e
--- /dev/null
+++ b/pkg/front_end/testcases/inference/dont_infer_type_when_initializer_is_null.dart
@@ -0,0 +1,12 @@
+// 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;
+
+test() {
+  var /*@type=dynamic*/ x = null;
+  x = "hi";
+  x = 3;
+}