From 4a3b19315439e9e084ebeb36f00a14cfad954cd6 Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Sun, 22 Mar 2020 00:17:58 +0100
Subject: [PATCH] remove memory leak in function parser (bug. no 478), second
 case

---
 src/frontend/parse.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/frontend/parse.c b/src/frontend/parse.c
index 2dba28d34..2c6e9d0ff 100644
--- a/src/frontend/parse.c
+++ b/src/frontend/parse.c
@@ -307,6 +307,7 @@ struct pnode *PP_mkfnode(const char *func, struct pnode *arg)
         /* Give the user-defined functions a try. */
         q = ft_substdef(func, arg);
         if (q) { /* found */
+            free_pnode(arg);
             return q;
         }
     }