Support simple try in analyzer2dart.

pkg/analyzer2dart/test/end2end_data.dart

 // Copyright (c) 2014, 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.
 
 /// Test data for the end2end test.
 library test.end2end.data;
 
 import 'test_helper.dart';
 
 class TestSpec extends TestSpecBase {
@@ skipping 848 matching lines @@
   const Group('Instance method', const <TestSpec>[
     const TestSpec('''
 class C {
   C() {}
   foo() {}
 }
 main() {
   return new C().foo();
 }
 '''),
-]),
+  ]),
+
+  const Group('Try-catch', const <TestSpec>[
+    const TestSpec('''
+main() {
+  try {} catch (e) {}
+}
+''',
+// TODO(kmillikin): Remove the unused stack trace parameter.
+'''
+main() {
+  try {} catch (e, v0) {}
+}
+'''),
+
+    const TestSpec('''
+main() {
+  try {
+    return;
+  } catch (e) {}
+}
+''',
+// TODO(kmillikin): Remove the unused stack trace parameter and unneeded return
+// statement(s).
+'''
+main() {
+  try {
+    return null;
+  } catch (e, v0) {
+    return null;
+  }
+}
+'''),
+  ]),
 ];