test rename overhaul: step 8 - language tests

tests/language/src/TempManglingTest.dart

-// Copyright (c) 2012, 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.
-
-main() {
-  testOne();
-  testTwo();
-}
-
-testOne() {
-  // Dart2JS uses t[0-9]* to declare temporaries, so a local variable
-  // with that pattern can conflict with them.
-  var t0 = new List();
-  // By using 'is' check, we make sure 't0.length' does not become
-  // generate at use site.
-  Expect.isTrue(t0.length is int);
-  Expect.isTrue(t0 is List);
-}
-
-testTwo() {
-  var x = new List();
-  var x_0 = new List();
-  {
-    // This used to introduce x_0.
-    var x = new Set();
-    Expect.equals(0, x.length);
-    Expect.isTrue(x.isEmpty());
-  }
-  Expect.isTrue(x is List);
-  Expect.isTrue(x_0 is List);
-}