Revert 6ad38498c8673f1fbe3e12c49b1cf590305676dd (PARSED_UNIT).

pkg/analyzer/lib/src/generated/incremental_resolver.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.
 
 library analyzer.src.generated.incremental_resolver;
 
 import 'dart:collection';
 import 'dart:math' as math;
 
 import 'package:analyzer/dart/ast/ast.dart';
@@ skipping 100 matching lines @@
         isByTask(LibraryErrorsReadyTask.DESCRIPTOR) ||
         isByTask(LibraryUnitErrorsTask.DESCRIPTOR) ||
         isByTask(ParseDartTask.DESCRIPTOR) ||
         isByTask(PartiallyResolveUnitReferencesTask.DESCRIPTOR) ||
         isByTask(PropagateVariableTypesInLibraryClosureTask.DESCRIPTOR) ||
         isByTask(PropagateVariableTypesInLibraryTask.DESCRIPTOR) ||
         isByTask(PropagateVariableTypesInUnitTask.DESCRIPTOR) ||
         isByTask(PropagateVariableTypeTask.DESCRIPTOR) ||
         isByTask(ScanDartTask.DESCRIPTOR) ||
         isByTask(ResolveConstantExpressionTask.DESCRIPTOR) ||
-        isByTask(ResolveDirectivesTask.DESCRIPTOR) ||
         isByTask(ResolveDirectiveElementsTask.DESCRIPTOR) ||
         isByTask(ResolveInstanceFieldsInUnitTask.DESCRIPTOR) ||
         isByTask(ResolveLibraryReferencesTask.DESCRIPTOR) ||
         isByTask(ResolveLibraryTask.DESCRIPTOR) ||
         isByTask(ResolveLibraryTypeNamesTask.DESCRIPTOR) ||
         isByTask(ResolveTopLevelLibraryTypeBoundsTask.DESCRIPTOR) ||
         isByTask(ResolveTopLevelUnitTypeBoundsTask.DESCRIPTOR) ||
         isByTask(ResolveUnitTask.DESCRIPTOR) ||
         isByTask(ResolveUnitTypeNamesTask.DESCRIPTOR) ||
         isByTask(ResolveVariableReferencesTask.DESCRIPTOR) ||
@@ skipping 738 matching lines @@
       token = token.next;
     }
   }
 
   void _updateEntry() {
     // scan results
     _sourceEntry.setValueIncremental(SCAN_ERRORS, _newScanErrors, true);
     _sourceEntry.setValueIncremental(LINE_INFO, _newLineInfo, false);
     // parse results
     _sourceEntry.setValueIncremental(PARSE_ERRORS, _newParseErrors, true);
-    _sourceEntry.setValueIncremental(PARSED_UNIT1, _oldUnit, false);
     _sourceEntry.setValueIncremental(PARSED_UNIT, _oldUnit, false);
-    _sourceEntry.setValueIncremental(RESOLVE_DIRECTIVES_ERRORS, _newParseErrors, true);
     // referenced names
     ReferencedNames referencedNames = new ReferencedNames(_unitSource);
     new ReferencedNamesBuilder(referencedNames).build(_oldUnit);
     _sourceEntry.setValueIncremental(REFERENCED_NAMES, referencedNames, false);
   }
 
   /**
    * Checks if [token] has a balanced number of open and closed curly brackets.
    */
   static bool _areCurlyBracketsBalanced(Token token) {
@@ skipping 424 matching lines @@
   @override
   String toString() => name;
 }
 
 class _TokenPair {
   final _TokenDifferenceKind kind;
   final Token oldToken;
   final Token newToken;
   _TokenPair(this.kind, this.oldToken, this.newToken);
 }