Always add the target library to the store.

pkg/analyzer/lib/src/dart/analysis/library_context.dart

 // Copyright (c) 2017, 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.
 
 import 'package:analyzer/context/declared_variables.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart' show CompilationUnitElement;
 import 'package:analyzer/error/error.dart';
 import 'package:analyzer/src/context/context.dart';
 import 'package:analyzer/src/dart/analysis/byte_store.dart';
@@ skipping 19 matching lines @@
  */
 class LibraryContext {
   final SummaryDataStore store;
 
   /**
    * The [AnalysisContext] which is used to do the analysis.
    */
   final AnalysisContext _analysisContext;
 
   /**
-   * Create a [LibraryContext] which is prepared to analyze [library].
+   * Create a [LibraryContext] which is prepared to analyze [targetLibrary].
    */
   factory LibraryContext.forSingleLibrary(
-      FileState library,
+      FileState targetLibrary,
       PerformanceLog logger,
       PackageBundle sdkBundle,
       ByteStore byteStore,
       AnalysisOptions options,
       DeclaredVariables declaredVariables,
       SourceFactory sourceFactory,
       FileTracker fileTracker) {
     return logger.run('Create library context', () {
       Map<String, FileState> libraries = <String, FileState>{};
       SummaryDataStore store = new SummaryDataStore(const <String>[]);
@@ skipping 19 matching lines @@
             store.addUnlinkedUnit(part.uriStr, part.unlinked);
           }
 
           // Append referenced libraries.
           library.importedFiles.forEach(appendLibraryFiles);
           library.exportedFiles.forEach(appendLibraryFiles);
         }
       }
 
       logger.run('Append library files', () {
-        return appendLibraryFiles(library);
+        return appendLibraryFiles(targetLibrary);
       });
 
       Set<String> libraryUrisToLink = new Set<String>();
       logger.run('Load linked bundles', () {
         for (FileState library in libraries.values) {
-          if (library.exists) {
+          if (library.exists || library == targetLibrary) {
             String key = '${library.transitiveSignature}.linked';
             List<int> bytes = byteStore.get(key);
             if (bytes != null) {
               LinkedLibrary linked = new LinkedLibrary.fromBuffer(bytes);
               store.addLinkedLibrary(library.uriStr, linked);
             } else {
               libraryUrisToLink.add(library.uriStr);
             }
           }
         }
@@ skipping 128 matching lines @@
   @override
   String setContents(Source source, String contents) {
     throw new UnimplementedError();
   }
 
   FileState _getFileForSource(Source source) {
     String path = source.fullName;
     return fileTracker.fsState.getFileForPath(path);
   }
 }