- Change "static final" to "static const" in the lib/ directory.

lib/compiler/implementation/tree/nodes.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.
 
 interface Visitor<R> {
   R visitBlock(Block node);
   R visitBreakStatement(BreakStatement node);
   R visitCascade(Cascade node);
   R visitCascadeReceiver(CascadeReceiver node);
   R visitCaseMatch(CaseMatch node);
@@ skipping 690 matching lines @@
     if (token.value == Keyword.TRUE) return true;
     if (token.value == Keyword.FALSE) return false;
     (this.handler)(token, "not a bool ${token.value}");
   }
 
   accept(Visitor visitor) => visitor.visitLiteralBool(this);
 }
 
 
 class StringQuoting {
-  static final StringQuoting SINGLELINE_DQ =
+  static const StringQuoting SINGLELINE_DQ =
       const StringQuoting($DQ, raw: false, leftQuoteLength: 1);
-  static final StringQuoting RAW_SINGLELINE_DQ =
+  static const StringQuoting RAW_SINGLELINE_DQ =
       const StringQuoting($DQ, raw: true, leftQuoteLength: 1);
-  static final StringQuoting MULTILINE_DQ =
+  static const StringQuoting MULTILINE_DQ =
       const StringQuoting($DQ, raw: false, leftQuoteLength: 3);
-  static final StringQuoting RAW_MULTILINE_DQ =
+  static const StringQuoting RAW_MULTILINE_DQ =
       const StringQuoting($DQ, raw: true, leftQuoteLength: 3);
-  static final StringQuoting MULTILINE_NL_DQ =
+  static const StringQuoting MULTILINE_NL_DQ =
       const StringQuoting($DQ, raw: false, leftQuoteLength: 4);
-  static final StringQuoting RAW_MULTILINE_NL_DQ =
+  static const StringQuoting RAW_MULTILINE_NL_DQ =
       const StringQuoting($DQ, raw: true, leftQuoteLength: 4);
-  static final StringQuoting MULTILINE_NL2_DQ =
+  static const StringQuoting MULTILINE_NL2_DQ =
       const StringQuoting($DQ, raw: false, leftQuoteLength: 5);
-  static final StringQuoting RAW_MULTILINE_NL2_DQ =
+  static const StringQuoting RAW_MULTILINE_NL2_DQ =
       const StringQuoting($DQ, raw: true, leftQuoteLength: 5);
-  static final StringQuoting SINGLELINE_SQ =
+  static const StringQuoting SINGLELINE_SQ =
       const StringQuoting($SQ, raw: false, leftQuoteLength: 1);
-  static final StringQuoting RAW_SINGLELINE_SQ =
+  static const StringQuoting RAW_SINGLELINE_SQ =
       const StringQuoting($SQ, raw: true, leftQuoteLength: 1);
-  static final StringQuoting MULTILINE_SQ =
+  static const StringQuoting MULTILINE_SQ =
       const StringQuoting($SQ, raw: false, leftQuoteLength: 3);
-  static final StringQuoting RAW_MULTILINE_SQ =
+  static const StringQuoting RAW_MULTILINE_SQ =
       const StringQuoting($SQ, raw: true, leftQuoteLength: 3);
-  static final StringQuoting MULTILINE_NL_SQ =
+  static const StringQuoting MULTILINE_NL_SQ =
       const StringQuoting($SQ, raw: false, leftQuoteLength: 4);
-  static final StringQuoting RAW_MULTILINE_NL_SQ =
+  static const StringQuoting RAW_MULTILINE_NL_SQ =
       const StringQuoting($SQ, raw: true, leftQuoteLength: 4);
-  static final StringQuoting MULTILINE_NL2_SQ =
+  static const StringQuoting MULTILINE_NL2_SQ =
       const StringQuoting($SQ, raw: false, leftQuoteLength: 5);
-  static final StringQuoting RAW_MULTILINE_NL2_SQ =
+  static const StringQuoting RAW_MULTILINE_NL2_SQ =
       const StringQuoting($SQ, raw: true, leftQuoteLength: 5);
 
 
-  static final List<StringQuoting> mapping = const <StringQuoting>[
+  static const List<StringQuoting> mapping = const <StringQuoting>[
     SINGLELINE_DQ,
     RAW_SINGLELINE_DQ,
     MULTILINE_DQ,
     RAW_MULTILINE_DQ,
     MULTILINE_NL_DQ,
     RAW_MULTILINE_NL_DQ,
     MULTILINE_NL2_DQ,
     RAW_MULTILINE_NL2_DQ,
     SINGLELINE_SQ,
     RAW_SINGLELINE_SQ,
@@ skipping 333 matching lines @@
    * 1. The nodes must come in a certain order.
    * 2. The keywords "var" and "final" may not be used at the same time.
    * 3. The keywords "abstract" and "external" may not be used at the same time.
    * 4. The type of an element must be null if isVar() is true.
    */
 
   final NodeList nodes;
   /** Bit pattern to easy check what modifiers are present. */
   final int flags;
 
-  static final int FLAG_STATIC = 1;
-  static final int FLAG_ABSTRACT = FLAG_STATIC << 1;
-  static final int FLAG_FINAL = FLAG_ABSTRACT << 1;
-  static final int FLAG_VAR = FLAG_FINAL << 1;
-  static final int FLAG_CONST = FLAG_VAR << 1;
-  static final int FLAG_FACTORY = FLAG_CONST << 1;
-  static final int FLAG_EXTERNAL = FLAG_FACTORY << 1;
+  static const int FLAG_STATIC = 1;
+  static const int FLAG_ABSTRACT = FLAG_STATIC << 1;
+  static const int FLAG_FINAL = FLAG_ABSTRACT << 1;
+  static const int FLAG_VAR = FLAG_FINAL << 1;
+  static const int FLAG_CONST = FLAG_VAR << 1;
+  static const int FLAG_FACTORY = FLAG_CONST << 1;
+  static const int FLAG_EXTERNAL = FLAG_FACTORY << 1;
 
   Modifiers(NodeList nodes) : this.withFlags(nodes, computeFlags(nodes.nodes));
 
   Modifiers.empty() : this(new NodeList.empty());
 
   Modifiers.withFlags(this.nodes, this.flags);
 
   static int computeFlags(Link<Node> nodes) {
     int flags = 0;
     for (; !nodes.isEmpty(); nodes = nodes.tail) {
@@ skipping 646 matching lines @@
  * argument).
  *
  * TODO(ahe): This method is controversial, the team needs to discuss
  * if top-level methods are acceptable and what naming conventions to
  * use.
  */
 initializerDo(Node node, f(Node node)) {
   SendSet send = node.asSendSet();
   if (send !== null) return f(send.arguments.head);
 }