Examples of errors detected by the V3161 diagnostic

V3161. Comparing value type variables with 'ReferenceEquals' is incorrect because compared values will be boxed.

Radarr

V3161 Comparing value type variables with 'ReferenceEquals' is incorrect because 'other' will be boxed. OsPath.cs 379

public bool Equals(OsPath other, bool ignoreTrailingSlash)
{
  if (ReferenceEquals(other, null))
  {
    return false;
  }
  ....
}

.NET 9

V3161 Comparing value type variables with 'ReferenceEquals' is incorrect because 'this' will be boxed. ILImporter.StackValue.cs 164

struct StackValue
{
  ....
  public override bool Equals(object obj)
  {
    if (Object.ReferenceEquals(this, obj))
      return true;

    if (!(obj is StackValue))
      return false;

    var value = (StackValue)obj;
    return    this.Kind == value.Kind
           && this.Flags == value.Flags
           && this.Type == value.Type;
  }
}