Examples of errors detected by the V3197 diagnostic

V3197. The compared value inside the 'Object.Equals' override is converted to a different type that does not contain the override.

Unity C# reference source code

V3197 The compared value inside the 'Object.Equals' override is converted to the 'SearchIndexEntry' type instead of 'SearchField' that contains the override. SearchItem.cs 634

public readonly struct SearchField : IEquatable<SearchField>
{
  ....
  public override bool Equals(object other)
  {
    return other is SearchIndexEntry l && Equals(l);
  }

  public bool Equals(SearchField other)
  {
    return string.Equals(name, other.name, StringComparison.Ordinal);
  }
}