From: "Brian F. Feldman" <green@...>
Date: 2001-09-27T00:18:38+09:00
Subject: [ruby-talk:21728] Re: manipulating "immutable" objects such as Fixnum from within callbacks & al...

ts <decoux@moulon.inra.fr> wrote:
> >>>>> "B" == Brian F Feldman <green@FreeBSD.org> writes:
> 
> B> Of course, this used to work and it seems it just crashes Ruby now....
> 
>  Can you try this patch
> 
> pigeon% diff -u parse.y~ parse.y
> --- parse.y~    Mon Sep  3 07:29:18 2001
> +++ parse.y     Wed Sep 26 16:50:42 2001
> @@ -690,10 +690,10 @@
>                     }
>                 | primary '[' aref_args ']' tOP_ASGN arg
>                     {
> -                       NODE *args = NEW_LIST($6);
> +                       NODE *tmp, *args = NEW_LIST($6);
>  
> -                       list_append($3, NEW_NIL());
> -                       list_concat(args, $3);
> +                       tmp = list_append($3, NEW_NIL());
> +                       list_concat(args, tmp);
>                         if ($5 == tOROP) {
>                             $5 = 0;
>                         }
> pigeon% 

Yeah, that's enough to fix it.
I came up with something a little bit different but because its complexity 
is greater, it's not as good of a fix :)

-- 
 Brian Fundakowski Feldman           \  FreeBSD: The Power to Serve!  /
 green@FreeBSD.org                    `------------------------------'