--- libiberty/fibheap.c~	2025-05-23 11:02:08.000000000 +0000
+++ libiberty/fibheap.c	2025-10-03 11:01:00.861425759 +0000
@@ -19,6 +19,8 @@ along with GNU CC; see the file COPYING.
 the Free Software Foundation, 51 Franklin Street - Fifth Floor,
 Boston, MA 02110-1301, USA.  */
 
+#include <limits.h>
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif