Invalidate both hints and lints on incremental resolution.

pkg/analyzer/lib/src/generated/engine.dart

 // Copyright (c) 2014, 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 code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine;
 
 import 'dart:async';
@@ skipping 2204 matching lines @@
   @override
   void invalidateLibraryHints(Source librarySource) {
     SourceEntry sourceEntry = _cache.get(librarySource);
     if (sourceEntry is! DartEntry) {
       return;
     }
     DartEntry dartEntry = sourceEntry;
     // Prepare sources to invalidate hints in.
     List<Source> sources = <Source>[librarySource];
     sources.addAll(dartEntry.getValue(DartEntry.INCLUDED_PARTS));
-    // Invalidate hints.
+    // Invalidate hints and lints.
     for (Source source in sources) {
       DartEntry dartEntry = _cache.get(source);
       if (dartEntry.getStateInLibrary(DartEntry.HINTS, librarySource) ==
           CacheState.VALID) {
         dartEntry.setStateInLibrary(
             DartEntry.HINTS, librarySource, CacheState.INVALID);
       }
+      if (dartEntry.getStateInLibrary(DartEntry.LINTS, librarySource) ==
+          CacheState.VALID) {
+        dartEntry.setStateInLibrary(
+            DartEntry.LINTS, librarySource, CacheState.INVALID);
+      }
     }
   }
 
   @override
   bool isClientLibrary(Source librarySource) {
     SourceEntry sourceEntry = _getReadableSourceEntry(librarySource);
     if (sourceEntry is DartEntry) {
       DartEntry dartEntry = sourceEntry;
       return dartEntry.getValue(DartEntry.IS_CLIENT) &&
           dartEntry.getValue(DartEntry.IS_LAUNCHABLE);
@@ skipping 9591 matching lines @@
     PendingFuture pendingFuture =
         new PendingFuture<T>(_context, source, computeValue);
     if (!pendingFuture.evaluate(sourceEntry)) {
       _context._pendingFutureSources
           .putIfAbsent(source, () => <PendingFuture>[])
           .add(pendingFuture);
     }
     return pendingFuture.future;
   }
 }