retitle 27117 26.0.50; cl-print loops endlessly on circular objects if print-circle is nil
tags 27117 patch
quit

Stefan Monnier <monnier@iro.umontreal.ca> writes:
>
> Indeed, prin1 has a two ways to prevent infinite recursion:
> - limit the print to a certain depth
> - detect when we start printing that we're already in the process of
>   printing, and then replace it with #N where N is some kind of depth of
>   the reference (so #0 refers to the whole object that we're in the
>   process of printing).
>
> cl-prin1 doesn't offer these safety belts, currently (I always set
> print-circle).

Oh, I see, it's not specific to bytecode functions at all.  Here's a
patch implementing the 2nd safety belt: