ksh/ksh93-optimizeleak.dif

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--- ./src/cmd/ksh93/sh/name.c.orig 2016-06-01 13:09:29.754690694 +0000
+++ ./src/cmd/ksh93/sh/name.c 2016-06-01 13:09:53.348690652 +0000
@@ -2726,6 +2726,12 @@ void nv_optimize(Namval_t *np)
}
if((xp= (struct optimize*)fp) && xp->ptr==shp->argaddr)
return;
+ if (xp && xp->next) {
+ register struct optimize *xpn;
+ for (xpn = xp->next; xpn; xpn = xpn->next)
+ if (xpn->ptr == shp->argaddr && xpn->np == np)
+ return;
+ }
if(op = opt_free)
opt_free = op->next;
else