This fix has been developed inhouse. Patch has been submitted upstream but

has not been accepted yet. The details can be found at

--- INIT.2012-08-01.old/src/cmd/ksh93/sh/subshell.c 2016-03-01 04:01:06.513890578 -0800

+++ INIT.2012-08-01/src/cmd/ksh93/shsubshell.c 2016-03-01 04:02:43.617872391 -0800

@@ -260,9 +260,6 @@

shp = sp->shp;

dp = shp->var_tree;

- /* don't bother to save if in newer scope */

- if(sp->var!=shp->var_tree && sp->var!=shp->var_base && shp->last_root==shp->var_tree)

- return(np);

if((ap=nv_arrayptr(np)) && (mp=nv_opensub(np)))

{

shp->last_root = ap->table;