Fix infloop in redisplay introduced by a recent change

* src/xdisp.c (redisplay_internal): Avoid inflooping when
redisplaying the selected window sets the selected frame's
redisplay flag.  (Bug#21745)

1 files changed, 5 insertions, 1 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index bfd3a8299ad..02388da994b 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -13925,7 +13925,11 @@ redisplay_internal (void)
          above caused some change (e.g., a change in faces) that requires
          considering the entire frame again.  */
       if (sf->fonts_changed || sf->redisplay)
-        goto retry;
+        {
+          if (sf->redisplay)
+            windows_or_buffers_changed = 50;
+          goto retry;
+        }
 
       /* Prevent freeing of realized faces, since desired matrices are
          pending that reference the faces we computed and cached.  */