From 845fc87500e000788b5af93d5fc73ddb520a1fc8 Mon Sep 17 00:00:00 2001
From: Jim Wilson <wilson@gcc.gnu.org>
Date: Mon, 22 Jul 1996 16:32:36 -0700
Subject: [PATCH] (undo_all): Clear previous_undos field.

From-SVN: r12544
---
 gcc/combine.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/combine.c b/gcc/combine.c
index b83f020a98b..03b86449355 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -2429,7 +2429,7 @@ undo_all ()
     }
 
   obfree (undobuf.storage);
-  undobuf.undos = 0;
+  undobuf.undos = undobuf.previous_undos = 0;
 
   /* Clear this here, so that subsequent get_last_value calls are not
      affected.  */
-- 
2.30.2