diff /usr/local/lib/perl/5.18.2/Tcl.pm.bak /usr/local/lib/perl/5.18.2/Tcl.pm
384a385
> use Scalar::Util qw(weaken);
560a562,567
> # this kills the weakened tclname ref leaveng the strong current_r ref (like before)
>
>     if (exists($anon_refs{$current_r})){
>       anon_kill($anon_refs{$current_r}[2]);
>       }
>
594a602,607
> # kill an anon_refs name
> sub anon_kill {
>   my $anonname=shift;
>   delete $anon_refs{$anonname};
>   }
>
618c631,639
<     $anon_refs{$rname} = bless [\$sub, $interp], 'Tcl::Code';
---
> #    $anon_refs{$rname} = bless [\$sub, $interp], 'Tcl::Code';
>     my $isnew=0;
>     unless (exists $anon_refs{$tclname}) {
>       $anon_refs{$tclname} = bless [\$sub, $interp, $tclname], 'Tcl::Code';
>       $isnew=1;
>       }
>     $anon_refs{$rname} = $anon_refs{$tclname};
>     weaken($anon_refs{$tclname}) if ($isnew);
>
652a674
>     my $anonname = $_[0]->[2];
655a678
>     Tcl::anon_kill($anonname);