File ncurses-5.9-bsc1131830.patch of Package ncurses.31895

---
 ncurses/tinfo/comp_parse.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

--- ncurses/tinfo/comp_parse.c
+++ ncurses/tinfo/comp_parse.c	2019-04-11 00:37:39.564903289 +0000
@@ -418,13 +418,18 @@ _nc_resolve_uses2(bool fullresolve, bool
 		     * Now merge in each use entry in the proper
 		     * (reverse) order.
 		     */
-		    for (; qp->nuses; qp->nuses--)
+		    for (; qp->nuses; qp->nuses--) {
+			if (!qp->uses[qp->nuses - 1].link)
+			    return FALSE;
 			_nc_merge_entry(&merged,
 					&qp->uses[qp->nuses - 1].link->tterm);
+		    }
 
 		    /*
 		     * Now merge in the original entry.
 		     */
+		    if (!qp)
+			return FALSE;
 		    _nc_merge_entry(&merged, &qp->tterm);
 
 		    /*