Added runtime type checking to the elements of list and map literals in dartc

tests/language/src/MapLiteral1NegativeTest.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 map literals.
+// When type checks are enabled, a type mismatch in an array literal is a compile-time error

[scheglov, 2012/01/26 15:54:42]

"array literal"?
Probably "map literal".

[zundel, 2012/01/26 17:39:51]

Done.

 
-class MapLiteral1NegativeTest {
-  test() {
-    try {
-      var m = const <String>{"a": 0};  // 0 is not a String.
-    } catch (TypeError error) {
-    }
+main() {
+  try {
+    var m = const <String>{"a": 0};  // 0 is not a String.
+  } catch (TypeError error) {
+    // not a catchable error
   }
 }
 
-main() {
-  var t = new MapLiteral1NegativeTest();
-  t.test();
-}