formerly happened was that most ops checked their arguments for overloading
I<before> checking for magic, so for example an overloaded object returned
by a tied array access would usually be treated as not overloaded
-(RT #57012) (6f1401, ed3b9b).
+(RT #57012) (6f1401, ed3b9b, 6a5f8c .. 24328f).
=back