anchor.diff:      node = super.visitMethodInvocation(node);
   
       Member target = node.interfaceTarget;
  -    if ((target != null) && (target is! Field)) {
  +    if ((target != null) &&
  +        (target is! Field) &&
  +        !_objectMemberNames.contains(target.name)) {
         Member singleTarget =
             _hierarchy.getSingleTargetForInterfaceInvocation(target);
         if ((singleTarget is Procedure) && !singleTarget.isGetter) {
  
positive.code:         Library,
          Member,
          MethodInvocation,
          Procedure,
          Program,
          PropertyGet,
  
negative.code:     node = super.visitPropertyGet(node);
  
      Member target = node.interfaceTarget;
      if ((target != null) && !_objectMemberNames.contains(target.name)) {
        Member singleTarget =
            _hierarchy.getSingleTargetForInterfaceInvocation(target);
        if (singleTarget != null) {
  