--- a/components/ksh93/patches/17851169.patch	Mon Apr 13 09:25:17 2015 -0500
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,32 +0,0 @@
-http://lists.research.att.com/pipermail/ast-developers/2014q1/003809.html
----
---- a/src/cmd/ksh93/sh/subshell.c
-+++ b/src/cmd/ksh93/sh/subshell.c
-@@ -234,15 +234,22 @@ Namval_t *sh_assignok(register Namval_t *np,int add)
- {
- 	register Namval_t	*mp;
- 	register struct Link	*lp;
--	register struct subshell *sp = (struct subshell*)subshell_data;
--	Shell_t			*shp = sp->shp;
--	Dt_t			*dp= shp->var_tree;
-+	register struct subshell *sp;
-+	Shell_t			*shp;
-+	Dt_t			*dp;
- 	Namval_t		*mpnext;
- 	Namarr_t		*ap;
- 	int			save;
-+
-+        sp = (struct subshell*)subshell_data;
-+
- 	/* don't bother with this */
--	if(!sp->shpwd || np==SH_LEVELNOD || np==L_ARGNOD || np==SH_SUBSCRNOD || np==SH_NAMENOD)
-+	if(!sp || !sp->shpwd || np==SH_LEVELNOD || np==L_ARGNOD || np==SH_SUBSCRNOD || np==SH_NAMENOD)
- 		return(np);
-+
-+	shp = sp->shp;
-+	dp = shp->var_tree;
-+
- 	if((ap=nv_arrayptr(np)) && (mp=nv_opensub(np)))
- 	{
- 		shp->last_root = ap->table;
-