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Avoid assertion violations in 'try_window_id'

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* src/xdisp.c (try_window_id): Avoid assertions in
'find_first_unchanged_at_end_row' due to 'init_iterator' freeing
all the realized faces.  (Bug#71274)
This commit is contained in:
Eli Zaretskii 2024-06-03 21:13:05 +03:00
parent 16fc5b6c0c
commit 642bf58d4f
1 changed files with 7 additions and 0 deletions
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src/xdisp.c
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@ -22337,6 +22337,13 @@ try_window_id (struct window *w)
start_pos = it.current.pos;
}
/* init_to_row_end and start_display above could have caused the
window's window_end_valid flag to be reset (e.g., if init_iterator
decides to free all realized faces). We cannot continue if that
happens. */
if (!w->window_end_valid)
GIVE_UP (108);
/* Find the first row that is not affected by changes at the end of
the buffer. Value will be null if there is no unchanged row, in
which case we must redisplay to the end of the window. delta