It seems as though my crash is also related to this bug. According to the
docs, BRACE_EXPAND is an alias for NO_IGNORE_BRACES.

emulate -R sh +o ignorebraces -c 'foo() { setopt; }'

works and doesn't crash the shell

--
Russell Harmon


On Mon, Apr 29, 2013 at 2:17 PM, Bart Schaefer <schaefer@brasslantern.com>wrote:

> On Apr 29, 11:47am, Bart Schaefer wrote:
> }
> } OK, I found the problem, but I don't know what to do to fix it.
>
> This seems to do it.
>
> diff --git a/Src/init.c b/Src/init.c
> index 8467a73..49ac124 100644
> --- a/Src/init.c
> +++ b/Src/init.c
> @@ -281,9 +281,10 @@ parseargs(char **argv, char **runscript)
>
>  /**/
>  static void
> -parseopts_insert(LinkList optlist, void *ptr)
> +parseopts_insert(LinkList optlist, void *base, int optno)
>  {
>      LinkNode node;
> +    void *ptr = base + (optno < 0 ? -optno : optno);
>
>      for (node = firstnode(optlist); node; incnode(node)) {
>         if (ptr < getdata(node)) {
> @@ -390,7 +391,7 @@ parseopts(char *nam, char ***argvp, char *new_opts,
> char **cmdp,
>                     if (dosetopt(optno, action, !nam, new_opts) && nam) {
>                         WARN_OPTION("can't change option: %s", *argv);
>                     } else if (optlist) {
> -                       parseopts_insert(optlist, new_opts+optno);
> +                       parseopts_insert(optlist, new_opts, optno);
>                     }
>                 }
>                break;
> @@ -415,7 +416,7 @@ parseopts(char *nam, char ***argvp, char *new_opts,
> char **cmdp,
>                     if (dosetopt(optno, action, !nam, new_opts) && nam) {
>                         WARN_OPTION("can't change option: -%c", **argv);
>                     } else if (optlist) {
> -                       parseopts_insert(optlist, new_opts+optno);
> +                       parseopts_insert(optlist, new_opts, optno);
>                     }
>                 }
>             }
>
> --
> Barton E. Schaefer
>