void EmitIndexerName ()
{
if (!seen_normal_indexers)
return;
PredefinedAttribute pa = Module.PredefinedAttributes.DefaultMember;
if (pa.Constructor == null &&
!pa.ResolveConstructor (Location, TypeManager.string_type))
return;
var encoder = new AttributeEncoder ();
encoder.Encode (GetAttributeDefaultMember ());
encoder.EncodeEmptyNamedArguments ();
pa.EmitAttribute (TypeBuilder, encoder);
}