Is 1 zero or nonzero?



> I tried tracing asksign1/sign1/absarg to get some insight into this problem, but I don't get the "Is 1 zero..." question
> in 5.26.0/SBCL.

To get the crazy "Is 1 zero ..." question, you'll need to insert a call to $csign into absarg.  An unmodified 5.26.0 doesn't have
this bug.

--Barton