Issue 25385. Set documentation comment for enum constants.

pkg/analyzer/lib/src/summary/resynthesize.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.
 
 library summary_resynthesizer;
 
 import 'dart:collection';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
@@ skipping 976 matching lines @@
     valuesField.synthetic = true;
     valuesField.const3 = true;
     valuesField.static = true;
     valuesField.type = summaryResynthesizer.typeProvider.listType
         .substitute4(<DartType>[enumType]);
     memberHolder.addField(valuesField);
     buildImplicitAccessors(valuesField, memberHolder);
     for (UnlinkedEnumValue serializedEnumValue in serializedEnum.values) {
       ConstFieldElementImpl valueField = new ConstFieldElementImpl(
           serializedEnumValue.name, serializedEnumValue.nameOffset);
+      buildDocumentation(valueField, serializedEnumValue.documentationComment);
       valueField.const3 = true;
       valueField.static = true;
       valueField.type = enumType;
       memberHolder.addField(valueField);
       buildImplicitAccessors(valueField, memberHolder);
     }
     classElement.fields = memberHolder.fields;
     classElement.accessors = memberHolder.accessors;
     classElement.constructors = <ConstructorElement>[];
     unitHolder.addEnum(classElement);
@@ skipping 1056 matching lines @@
                 }
               : () => this.element;
       // TODO(paulberry): Is it a bug that we have to pass `false` for
       // isInstantiated?
       return new DeferredFunctionTypeImpl(computer, null, typeArguments, false);
     } else {
       return null;
     }
   }
 }