Serialize and resynthesize variable initializers.

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

Index: pkg/analyzer/lib/src/summary/idl.dart
diff --git a/pkg/analyzer/lib/src/summary/idl.dart b/pkg/analyzer/lib/src/summary/idl.dart
index fca673cf41844f14a08ce41227d1d369aba711fb..1bd59d13d5cb396cffff689a92bbcb01b6665268 100644
--- a/pkg/analyzer/lib/src/summary/idl.dart
+++ b/pkg/analyzer/lib/src/summary/idl.dart
@@ -380,6 +380,11 @@ enum ReferenceKind {
   typedef,
 
   /**
+   * The entity is a local function.
+   */
+  function,
+
+  /**
    * The entity is a top level function.
    */
   topLevelFunction,
@@ -1382,6 +1387,13 @@ abstract class UnlinkedParam extends base.SummaryClass {
   int get inferredTypeSlot;
 
   /**
+   * The synthetic initializer function of the parameter.  Absent if the variable
+   * does not have an initializer.
+   */
+  @Id(12)
+  UnlinkedExecutable get initializer;
+
+  /**
    * Indicates whether this is a function-typed parameter.
    */
   @Id(5)
@@ -1812,6 +1824,13 @@ abstract class UnlinkedVariable extends base.SummaryClass {
   int get inferredTypeSlot;
 
   /**
+   * The synthetic initializer function of the variable.  Absent if the variable
+   * does not have an initializer.
+   */
+  @Id(13)
+  UnlinkedExecutable get initializer;
+
+  /**
    * Indicates whether the variable is declared using the `const` keyword.
    */
   @Id(6)