In povray.unofficial.patches smellenbergh <smellenbergh@skynet.be> wrote:
:     POV_FREE(Glow);
:     Glow = Glow->next;;

: You were using memory that was already freed!

  That's exactly why many people recommend to always set the pointer to 0
after freeing. These kind of bugs show up immediately if you do.

-- 
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):_;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/

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