Add more tested features to closure_test

tests/compiler/dart2js/closure/data/parameter_in_try.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.
 
-readInFinally(/*inTry*/ parameter) {
+readParameterInFinally(/*inTry*/ parameter) {
   try {
     if (parameter) {
       throw '';
     }
   } finally {}
 }
 
-writeInFinally(/*inTry*/ parameter) {
+writeParameterInFinally(/*inTry*/ parameter) {
   try {
     parameter = 42;
     throw '';
   } finally {}
 }
 
+readLocalInFinally(/**/ parameter) {
+  var /*inTry*/ local = parameter;
+  try {
+    if (local) {
+      throw '';
+    }
+  } finally {}
+}
+
+writeLocalInFinally(/**/ parameter) {
+  // ignore: UNUSED_LOCAL_VARIABLE
+  var /*inTry*/ local = parameter;
+  try {
+    local = 42;
+    throw '';
+  } finally {}
+}
+
 main() {
-  readInFinally(null);
-  writeInFinally(null);
+  readParameterInFinally(null);
+  writeParameterInFinally(null);
+  readLocalInFinally(null);
+  writeLocalInFinally(null);
 }