master 6cb963ff19: ; Avoid compiler warnings in 'extend_face_to_end_of_line'

[Eli Zaretskii]

branch: master
commit 6cb963ff193ae351538160c2b59b623db44231ab
Author: Eli Zaretskii <eliz@gnu.org>
Commit: Eli Zaretskii <eliz@gnu.org>

    ; Avoid compiler warnings in 'extend_face_to_end_of_line'
    
    * src/xdisp.c (extend_face_to_end_of_line): Return if no
    default_face is cached or could be realized.  This avoids
    compilation warnings about NULL pointer dereferences.
---
 src/xdisp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/xdisp.c b/src/xdisp.c
index 054adb9d9d..95da704a07 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -23156,6 +23156,9 @@ extend_face_to_end_of_line (struct it *it)
   /* The default face, possibly remapped. */
   struct face *default_face =
     FACE_FROM_ID_OR_NULL (f, lookup_basic_face (it->w, f, DEFAULT_FACE_ID));
+  if (!default_face)
+    return;
+
   const int extend_face_id =
     (it->face_id == default_face->id || it->s != NULL)
     ? it->face_id