From 39b837a4058d043217d5d6fc1154c2dc5ec4134b Mon Sep 17 00:00:00 2001
From: Giles Atkinson <“gatk555@gmail.com”>
Date: Thu, 21 Apr 2022 10:17:03 +0100
Subject: [PATCH] Fix Bug #402 "Crash related to aliases".  Do not return freed
 pointer.

---
 src/frontend/com_alias.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/frontend/com_alias.c b/src/frontend/com_alias.c
index d417b703c..192117576 100644
--- a/src/frontend/com_alias.c
+++ b/src/frontend/com_alias.c
@@ -97,8 +97,8 @@ cp_doalias(wordlist *wlist)
 
         if (!ntries) {
             fprintf(cp_err, "Error: alias loop.\n");
-            wlist->wl_word = NULL;
-            return (wlist);
+            wl_free(comm);
+            return wl_cons(NULL, NULL);
         }
 
         wl_append(end, comm);