Don't summarize labels, remove resynthesis code for labels.

pkg/analyzer/lib/src/dart/element/element.dart

Index: pkg/analyzer/lib/src/dart/element/element.dart
diff --git a/pkg/analyzer/lib/src/dart/element/element.dart b/pkg/analyzer/lib/src/dart/element/element.dart
index 0b450e6fb15e756d13def27d3880ecd1fca1abb4..781bb8a38dcb73483f57db44c8ea25bcdc70e335 100644
--- a/pkg/analyzer/lib/src/dart/element/element.dart
+++ b/pkg/analyzer/lib/src/dart/element/element.dart
@@ -5470,11 +5470,6 @@ class ImportElementImpl extends UriReferencedElementImpl
  */
 class LabelElementImpl extends ElementImpl implements LabelElement {
   /**
-   * The unlinked representation of the label in the summary.
-   */
-  final UnlinkedLabel _unlinkedLabel;
-
-  /**
    * A flag indicating whether this label is associated with a `switch`
    * statement.
    */
@@ -5496,8 +5491,7 @@ class LabelElementImpl extends ElementImpl implements LabelElement {
    */
   LabelElementImpl(String name, int nameOffset, this._onSwitchStatement,
       this._onSwitchMember)
-      : _unlinkedLabel = null,
-        super(name, nameOffset);
+      : super(name, nameOffset);
 
   /**
    * Initialize a newly created label element to have the given [name].
@@ -5507,18 +5501,7 @@ class LabelElementImpl extends ElementImpl implements LabelElement {
    */
   LabelElementImpl.forNode(
       Identifier name, this._onSwitchStatement, this._onSwitchMember)
-      : _unlinkedLabel = null,
-        super.forNode(name);
-
-  /**
-   * Initialize using the given serialized information.
-   */
-  LabelElementImpl.forSerialized(
-      UnlinkedLabel unlinkedLabel, ExecutableElementImpl enclosingExecutable)
-      : _unlinkedLabel = unlinkedLabel,
-        _onSwitchStatement = unlinkedLabel.isOnSwitchStatement,
-        _onSwitchMember = unlinkedLabel.isOnSwitchMember,
-        super.forSerialized(enclosingExecutable);
+      : super.forNode(name);
 
   @override
   String get displayName => name;
@@ -5542,45 +5525,7 @@ class LabelElementImpl extends ElementImpl implements LabelElement {
   ElementKind get kind => ElementKind.LABEL;
 
   @override
-  String get name {
-    if (_unlinkedLabel != null) {
-      return _unlinkedLabel.name;
-    }
-    return super.name;
-  }
-
-  @override
-  int get nameOffset {
-    int offset = super.nameOffset;
-    if (offset == 0 &&
-        _unlinkedLabel != null &&
-        _unlinkedLabel.nameOffset != 0) {
-      return _unlinkedLabel.nameOffset;
-    }
-    return offset;
-  }
-
-  @override
   T accept<T>(ElementVisitor<T> visitor) => throw new UnimplementedError();
-
-  /**
-   * Create and return [LabelElement]s for the given [unlinkedLabels].
-   */
-  static List<LabelElement> resynthesizeList(
-      ExecutableElementImpl enclosingExecutable,
-      List<UnlinkedLabel> unlinkedLabels) {
-    int length = unlinkedLabels.length;
-    if (length != 0) {
-      List<LabelElement> elements = new List<LabelElement>(length);
-      for (int i = 0; i < length; i++) {
-        elements[i] = new LabelElementImpl.forSerialized(
-            unlinkedLabels[i], enclosingExecutable);
-      }
-      return elements;
-    } else {
-      return const <LabelElement>[];
-    }
-  }
 }
 
 /**