anchor.diff:      } else {
         result = _newPropertyResolver().resolve(
             target, targetType, getterMethodName, target,
  -          receiverErrorNode: target, isNullAware: node.isNullAware);
  +          receiverErrorNode: target);
       }
   
       bool isInGetterContext = node.inGetterContext();
  
positive.code: 
        var result = _newPropertyResolver().resolve(
            operand, staticType, methodName, operand,
            receiverErrorNode: operand, isNullAware: false);
        node.staticElement = result.getter;
        if (_shouldReportInvalidMember(staticType, result)) {
          if (operand is SuperExpression) {
  
negative.code:         //  side to the operator.
          var result = _newPropertyResolver().resolve(
              leftHandSide, staticType, methodName, leftHandSide,
              receiverErrorNode: leftHandSide);
          node.staticElement = result.getter;
          if (_shouldReportInvalidMember(staticType, result)) {
            _errorReporter.reportErrorForToken(
  