From 5c55c860db7891d1301d0bac78c03a8751ebe642 Mon Sep 17 00:00:00 2001
From: Eli Zaretskii <eliz@gnu.org>
Date: Tue, 10 Sep 2024 14:43:52 +0300
Subject: [PATCH] Avoid crashes in redisplay in batch-mode testing

* src/xdisp.c (try_window_id): Don't crash for "initial" frame.
(Bug#72765)
---
 src/xdisp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/xdisp.c b/src/xdisp.c
index bf7d84cdcb7..a1319e76f49 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -22089,7 +22089,8 @@ try_window_id (struct window *w)
 
   /* Window must either use window-based redisplay or be full width.  */
   if (!FRAME_WINDOW_P (f)
-      && (!FRAME_LINE_INS_DEL_OK (f)
+      && (FRAME_INITIAL_P (f)
+	  || !FRAME_LINE_INS_DEL_OK (f)
 	  || !WINDOW_FULL_WIDTH_P (w)))
     GIVE_UP (4);