Improve moves of Smi and null objects. Add result cid to List constructor calls. Add tracing of inl…

tests/language/optimized_lists.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.
+// Test program for correct optimizations related to types fo allocated lists.
+
+main() {
+  // Trigger optimization of 'test' method.
+  for (int i = 0; i < 1000; i++) {
+    test();
+  }
+}
+
+
+test() {
+  var a = new List();    // Growable list.
+  var b = new List(10);  // Fixed size list.
+  // In optimized mode the class checks will be eliminated since the
+  // constructors above provide information about exact types.
+  a.add(4);
+  b[0] = 5;
+  Expect.equals(4, a[0]);
+  Expect.equals(5, b[0]);
+}