Properly set the element type of literal lists.

tests/language/list_literal4_test.dart

 // Copyright (c) 2011, 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.
 // VMOptions=--enable_type_checks
 //
 // Dart test program testing type checks in list literals.
 
 class ListLiteral4Test<T> {
   test() {
     int result = 0;
@@ skipping 23 matching lines @@
       m["0"] = 1;  // "0" is not an int.
     } catch (TypeError error) {
       result += 10000;
     }
     try {
       var m = const <int>[0, 1];
       m["0"] = 1;  // "0" is not an int.
     } catch (TypeError error) {
       result += 100000;
     }
+    try {
+      var m = <T>[0, 1];  // OK. Tested above.
+      List<String> ls = m;  // m is a List<int>, not a List<String>.
+    } catch (TypeError error) {
+      result += 1000000;
+    }
+
     return result;
   }
 }
 
 main() {
   var t = new ListLiteral4Test<int>();
-  Expect.equals(110111, t.test());
+  Expect.equals(1110111, t.test());
 }