From 775533c375c6bb82dc804f5008165caa649fef54 Mon Sep 17 00:00:00 2001
From: Eli Zaretskii <eliz@gnu.org>
Date: Sun, 23 Mar 2025 11:35:25 +0200
Subject: [PATCH] ; * src/dispnew.c (check_window_matrix_pointers): Fix last
 change.

(cherry picked from commit 467aba67db407e930fc5de6d4a4ae0cd6fc106df)
---
 src/dispnew.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/dispnew.c b/src/dispnew.c
index 7a4b7f394ea..712994a95fb 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -3112,6 +3112,8 @@ check_window_matrix_pointers (struct window *w)
 {
   struct frame *f = XFRAME (w->frame);
 
+  eassert (is_tty_frame (f));
+
   if (f->after_make_frame)
     {
       while (w)
-- 
2.39.5