From: Eli Zaretskii <eliz@gnu.org>
Date: Tue, 10 Sep 2024 11:43:52 +0000 (+0300)
Subject: Avoid crashes in redisplay in batch-mode testing
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=0c3818692bbefb870b7c08184f96bdca58460d9b;p=emacs.git

Avoid crashes in redisplay in batch-mode testing

* src/xdisp.c (try_window_id): Don't crash for "initial" frame.
(Bug#72765)

(cherry picked from commit 5c55c860db7891d1301d0bac78c03a8751ebe642)
---

diff --git a/src/xdisp.c b/src/xdisp.c
index 18834c6b781..495ec821352 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -22182,7 +22182,8 @@ 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);