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

pkg/front_end/testcases/inference/downwards_inference_assignment_statements.dart

Index: pkg/front_end/testcases/inference/downwards_inference_assignment_statements.dart
diff --git a/pkg/front_end/testcases/inference/downwards_inference_assignment_statements.dart b/pkg/front_end/testcases/inference/downwards_inference_assignment_statements.dart
new file mode 100644
index 0000000000000000000000000000000000000000..65c006eec420add25cd365c7ccbd0676eeeb8827
--- /dev/null
+++ b/pkg/front_end/testcases/inference/downwards_inference_assignment_statements.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;
+
+void main() {
+  List<int> l;
+  l = /*@typeArgs=int*/ [/*error:LIST_ELEMENT_TYPE_NOT_ASSIGNABLE*/ "hello"];
+  l = (l = /*@typeArgs=int*/ [1]);
+}