typecheck erroneous members as dynamic

pkg/compiler/lib/src/typechecker.dart

 // Copyright (c) 2012, 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 dart2js.typechecker;
 
 import 'common/names.dart' show Identifiers;
 import 'common/resolution.dart' show Resolution;
 import 'common/tasks.dart' show CompilerTask;
 import 'common.dart';
@@ skipping 22 matching lines @@
         MemberSignature,
         Name,
         ParameterElement,
         PrivateName,
         PublicName,
         ResolvedAst,
         SetterElement,
         TypeDeclarationElement,
         TypedElement,
         VariableElement;
-import 'resolution/class_members.dart' show MembersCreator;
+import 'resolution/class_members.dart' show MembersCreator, ErroneousMember;
 import 'resolution/tree_elements.dart' show TreeElements;
 import 'tree/tree.dart';
 import 'util/util.dart' show Link, LinkBuilder;
 
 class TypeCheckerTask extends CompilerTask {
   final Compiler compiler;
   TypeCheckerTask(Compiler compiler)
       : compiler = compiler,
         super(compiler.measurer);
 
@@ skipping 672 matching lines @@
           ? interface.lookupClassMember(name)
           : interface.lookupInterfaceMember(name);
     }
 
     // Compute the access of [name] on [type]. This function takes the special
     // 'call' method into account.
     ElementAccess getAccess(
         Name name, DartType unaliasedBound, InterfaceType interface) {
       MemberSignature member = lookupMemberSignature(memberName, interface);
       if (member != null) {
-        return new MemberAccess(member);
+        if (member is ErroneousMember) {
+          return const DynamicAccess();
+        } else {
+          return new MemberAccess(member);
+        }
       }
       if (name == const PublicName('call')) {
         if (unaliasedBound.isFunctionType) {
           // This is an access the implicit 'call' method of a function type.
           return new FunctionCallAccess(receiverElement, unaliasedBound);
         }
         if (types.isSubtype(interface, coreTypes.functionType)) {
           // This is an access of the special 'call' method implicitly defined
           // on 'Function'. This method can be called with any arguments, which
           // we ensure by giving it the type 'dynamic'.
@@ skipping 1279 matching lines @@
 
   visitTypedef(Typedef node) {
     // Do not typecheck [Typedef] nodes.
   }
 
   visitNode(Node node) {
     reporter.internalError(node,
         'Unexpected node ${node.getObjectDescription()} in the type checker.');
   }
 }