Migrate UnlinkedParam.defaultValue to UnlinkedExecutable.bodyExpr.

pkg/analyzer/lib/src/summary/idl.dart

 // Copyright (c) 2015, 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.
 
 /**
  * This file is an "idl" style description of the summary format.  It
  * contains abstract classes which declare the interface for reading data from
  * summaries.  It is parsed and transformed into code that implements the
  * summary format.
  *
@@ skipping 2131 matching lines @@
   /**
    * Annotations for this parameter.
    */
   @Id(9)
   List<UnlinkedConst> get annotations;
 
   /**
    * Code range of the parameter.
    */
   @informative
-  @Id(14)
+  @Id(7)
   CodeRange get codeRange;
 
   /**
-   * If the parameter has a default value, the constant expression in the
-   * default value.  Note that the presence of this expression does not mean
-   * that it is a valid, check [UnlinkedConst.isInvalid].
-   */
-  @Id(7)
-  UnlinkedConst get defaultValue;
-
-  /**
    * If the parameter has a default value, the source text of the constant
    * expression in the default value.  Otherwise the empty string.
    */
   @informative
   @Id(13)
   String get defaultValueCode;
 
   /**
    * If this parameter's type is inferable, nonzero slot id identifying which
    * entry in [LinkedLibrary.types] contains the inferred type.  If there is no
@@ skipping 540 matching lines @@
    */
   @Id(11)
   int get visibleLength;
 
   /**
    * If a local variable, the beginning of the visible range; zero otherwise.
    */
   @Id(12)
   int get visibleOffset;
 }