emacs-28 970190b844: Avoid infloop in 'recenter'

[Eli Zaretskii]

branch: emacs-28
commit 970190b84485e4511b094546395a7e710f894fae
Author: Eli Zaretskii <eliz@gnu.org>
Commit: Eli Zaretskii <eliz@gnu.org>

    Avoid infloop in 'recenter'
    
    * src/window.c (Frecenter): Avoid infinite loop in the minibuffer
    under 'fido-vertical-mode'.  (Bug#56765)
---
 src/window.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/window.c b/src/window.c
index 0cf6373e0b..2576b66a18 100644
--- a/src/window.c
+++ b/src/window.c
@@ -6631,7 +6631,7 @@ and redisplay normally--don't erase and redraw the frame. 
 */)
             considered to be part of the visible height of the line.
          */
          h += extra_line_spacing;
-         while (-it.current_y > h)
+         while (-it.current_y > h && it.what != IT_EOB)
            move_it_by_lines (&it, 1);
 
          charpos = IT_CHARPOS (it);