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

pkg/front_end/testcases/inference/generic_methods_infer_js_builtin.dart

Index: pkg/front_end/testcases/inference/generic_methods_infer_js_builtin.dart
diff --git a/pkg/front_end/testcases/inference/generic_methods_infer_js_builtin.dart b/pkg/front_end/testcases/inference/generic_methods_infer_js_builtin.dart
new file mode 100644
index 0000000000000000000000000000000000000000..33900409f2112438f4054375c0bfc9594b6216a7
--- /dev/null
+++ b/pkg/front_end/testcases/inference/generic_methods_infer_js_builtin.dart
@@ -0,0 +1,15 @@
+// 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;
+
+/*error:IMPORT_INTERNAL_LIBRARY*/ import 'dart:_foreign_helper' show JS;
+
+main() {
+  String x = /*error:INVALID_ASSIGNMENT*/ JS('int', '42');
+  var /*@type=String*/ y = JS('String', '"hello"');
+  y = "world";
+  y = /*error:INVALID_ASSIGNMENT*/ 42;
+}