Fix for DeclarationResolver and invalid getters/setters.

pkg/analyzer/lib/src/generated/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 engine.resolver;
 
 import 'dart:collection';
 
 import '../task/strong/info.dart' show InferredType, StaticInfo;
 import '../task/strong/rules.dart' show TypeRules;
@@ skipping 2136 matching lines @@
       sc.Token property = node.propertyKeyword;
       if (property == null) {
         if (_enclosingExecutable != null) {
           _enclosingExecutable =
               _findIdentifier(_enclosingExecutable.functions, functionName);
         } else {
           _enclosingExecutable =
               _findIdentifier(_enclosingUnit.functions, functionName);
         }
       } else {
-        PropertyAccessorElement accessor =
-            _findIdentifier(_enclosingUnit.accessors, functionName);
-        if ((property as sc.KeywordToken).keyword == sc.Keyword.SET) {
-          accessor = accessor.variable.setter;
-          functionName.staticElement = accessor;
+        if (_enclosingExecutable != null) {
+          _enclosingExecutable =
+              _findIdentifier(_enclosingExecutable.functions, functionName);
+        } else {
+          PropertyAccessorElement accessor =
+              _findIdentifier(_enclosingUnit.accessors, functionName);
+          if ((property as sc.KeywordToken).keyword == sc.Keyword.SET) {
+            accessor = accessor.variable.setter;
+            functionName.staticElement = accessor;
+          }
+          _enclosingExecutable = accessor;
         }
-        _enclosingExecutable = accessor;
       }
       node.functionExpression.element = _enclosingExecutable;
       return super.visitFunctionDeclaration(node);
     } finally {
       _enclosingExecutable = outerExecutable;
     }
   }
 
   @override
   Object visitFunctionExpression(FunctionExpression node) {
@@ skipping 13895 matching lines @@
     nonFields.add(node);
     return null;
   }
 
   @override
   Object visitNode(AstNode node) => node.accept(TypeResolverVisitor_this);
 
   @override
   Object visitWithClause(WithClause node) => null;
 }