From a7de740baad9b8b06b80098a3fd5bd0997218f52 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 31 Jan 2022 08:42:07 -0800
Subject: tsort: pacify -fsanitizer=leak

* src/tsort.c (detect_loop): Free removed successor.
---
 src/tsort.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/tsort.c b/src/tsort.c
index 28a7a05f6..19b991bed 100644
--- a/src/tsort.c
+++ b/src/tsort.c
@@ -352,8 +352,10 @@ detect_loop (struct item *k)
                           if (loop == k)
                             {
                               /* Remove relation.  */
-                              (*p)->suc->count--;
-                              *p = (*p)->next;
+                              struct successor *s = *p;
+                              s->suc->count--;
+                              *p = s->next;
+                              IF_LINT (free (s));
                               break;
                             }
 
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