RSRP-273215: Wrong "Type argument specification is redundant" with named parameters

using System;

namespace ConsoleApplication1
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            var data = new GridData<SomeRow>();
            data.AddColumn("name", getter: v => v.Name); // Incorrect for Compiler
            data.AddColumn<SomeRow, string>("name", getter: v => v.Name); // Correct
        }
    }

    public class SomeRow
    {
        public string Name { get; set; }
    }

    public interface IGridData<TRow>
    {
    }

    internal class GridData<TRow> : IGridData<TRow>
    {
    }

    public static class Builder
    {
        public static void AddColumn<TRow, TColumnValue>(this IGridData<TRow> source, string name, string title = null,
                                                         Func<TRow, TColumnValue> getter = null) where TRow : class
        {
        }
    }
}