From 126bd5722f96733e7fbe433062861d5c3534911a Mon Sep 17 00:00:00 2001
From: vchernon <chernonog.vyacheslav@huawei.com>
Date: Wed, 13 Dec 2023 21:52:03 +0800
Subject: [PATCH 2/2] [rtl-ifcvt] free dominance info before cleanup_cfg not
 cleaned dominance info can cause infite loop in cleanup_cfg

---
 gcc/ifcvt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c
index 209987ebc..04086c560 100644
--- a/gcc/ifcvt.c
+++ b/gcc/ifcvt.c
@@ -5624,6 +5624,7 @@ if_convert (bool after_combine)
       df_live_add_problem ();
       df_live_set_all_dirty ();
     }
+  free_dominance_info (CDI_DOMINATORS);
   cleanup_cfg (CLEANUP_EXPENSIVE);
 
   /* Record whether we are after combine pass.  */
-- 
2.33.0