Lazy implementation of final variables.

lib/compiler/implementation/ssa/tracer.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.
 
 #library('tracer');
 
 #import('dart:io');
 #import('ssa.dart');
 #import('../js_backend/js_backend.dart');
 #import('../leg.dart');
@@ skipping 399 matching lines @@
   }
 
   String visitReturn(HReturn node) => "Return ${temporaryId(node.inputs[0])}";
 
   String visitShiftLeft(HShiftLeft node) => visitInvokeStatic(node);
 
   String visitShiftRight(HShiftRight node) => visitInvokeStatic(node);
 
   String visitStatic(HStatic node)
       => "Static ${node.element.name.slowToString()}";
+
+  String visitLazyStatic(HLazyStatic node)
+      => "LazyStatic ${node.element.name.slowToString()}";
+
   String visitStaticStore(HStaticStore node) {
     String lhs = node.element.name.slowToString();
     return "Static $lhs = ${temporaryId(node.inputs[0])}";
   }
 
   String visitStringConcat(HStringConcat node) {
     var leftId = temporaryId(node.left);
     var rightId = temporaryId(node.right);
     return "StringConcat: $leftId + $rightId";
   }
@@ skipping 86 matching lines @@
 
   String visitIs(HIs node) {
     String type = node.typeExpression.toString();
     return "TypeTest: ${temporaryId(node.expression)} is $type";
   }
 
   String visitTypeConversion(HTypeConversion node) {
     return "TypeConversion: ${temporaryId(node.inputs[0])} to ${node.type}";
   }
 }