regclass.c: scan_one_insn special casing

[Eric Christopher]

> > But I feel that this case should be handled right where ti is and that's
> > the best place to put it.
> > 
> 
> I know, you put it in there in 92. I won't ask why - I don't even want
> to try to think of things I did 11 years ago :)

Apparently it predates that too.

1.1          (kenner   05-Nov-91):            /*

And that's from old-gcc.

I have no idea when this code was added if it predates that.

-eric

-- 
Eric Christopher <echristo@redhat.com>