Support map and list literals in analyzer2dart.

sdk/lib/_internal/compiler/implementation/cps_ir/cps_ir_tracer.dart

 // Copyright (c) 2014, 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.
 
 library dart2js.ir_tracer;
 
 import 'dart:async' show EventSink;
 
 import 'cps_ir_nodes.dart' as cps_ir hide Function;
 import '../tracer.dart';
@@ skipping 138 matching lines @@
 
   visitLiteralList(cps_ir.LiteralList node) {
     String dummy = names.name(node);
     String values = node.values.map(formatReference).join(', ');
     printStmt(dummy, "LiteralList ($values)");
   }
 
   visitLiteralMap(cps_ir.LiteralMap node) {
     String dummy = names.name(node);
     List<String> entries = new List<String>();
-    for (int i = 0; i < node.values.length; ++i) {
-      String key = formatReference(node.keys[i]);
-      String value = formatReference(node.values[i]);
+    for (cps_ir.LiteralMapEntry entry in node.entries) {
+      String key = formatReference(entry.key);
+      String value = formatReference(entry.value);
       entries.add("$key: $value");
     }
     printStmt(dummy, "LiteralMap (${entries.join(', ')})");
   }
 
   visitTypeOperator(cps_ir.TypeOperator node) {
     String dummy = names.name(node);
     String operator = node.operator;
     List<String> entries = new List<String>();
     String receiver = formatReference(node.receiver);
@@ skipping 211 matching lines @@
     }
   }
 
   visitContinuation(cps_ir.Continuation c) {
     var old_node = current_block;
     current_block = getBlock(c);
     visit(c.body);
     current_block = old_node;
   }
 }