anchor.diff:  
               if (member.isSetter || (member.isField && !member.isConst)) {
                 var selectors =
  -                  _compiler.codegenWorld.setterInvocationsByName(member.name);
  +                  _compiler.resolverWorld.setterInvocationsByName(member.name);
                 if (selectors != null && !selectors.isEmpty) {
                   var stubName = namer.setterForElement(member);
                   if (stubNames.add(stubName.key)) {
  
positive.code:   }
  
    void _addJsInteropStubs(LibrariesMap librariesMap) {
      if (_classes.containsKey(_compiler.coreClasses.objectClass)) {
        var toStringInvocation = namer.invocationName(Selectors.toString_);
        // TODO(jacobr): register toString as used so that it is always accessible
  
negative.code:                 maxArgs = 32767;
                }
                var selectors =
                    _compiler.resolverWorld.invocationsByName(member.name);
                // Named arguments are not yet supported. In the future we
                // may want to map named arguments to an object literal containing
                // all named arguments.
  