Fix a crash in TTY sessions caused by recent changes

* src/xdisp.c (redisplay_internal): Fix crashes in TTY
sessions when turning on tab-mode.
Reported by Ergus <spacibba@aol.com>.

1 files changed, 5 insertions, 3 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index 192bf010136..29d49d57dfd 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -15680,9 +15680,11 @@ redisplay_internal (void)
                   /* On some platforms (at least MS-Windows), the
                      scroll_run_hook called from scrolling_window
                      called from update_frame could set the frame's
-                     garbaged flag, in which case we need to
-                     redisplay the frame.  */
-                  if (FRAME_GARBAGED_P (f))
+                     garbaged flag, in which case we need to redisplay
+                     the frame.  Don't do that on TTY frames, since we
+                     need to keep the garbaged flag in that case when
+                     the frame has been resized.  */
+                  if (FRAME_WINDOW_P (f) && FRAME_GARBAGED_P (f))
                     {
                       fset_redisplay (f);
                       f->garbaged = false;