Fix issue calling face_at_pos.feature/extend_face_id

*src/xdisp.c (extend_face_to_end_of_line): Add extra condition when
producing glyphs from a C string to not call face_at_pos.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index d54b717a507..30be492d9b4 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -21578,7 +21578,8 @@ extend_face_to_end_of_line (struct it *it)
            || WINDOW_RIGHT_MARGIN_WIDTH (it->w) > 0))
     return;
 
-  const int extend_face_id = (it->face_id == DEFAULT_FACE_ID)
+  const int extend_face_id = (it->face_id == DEFAULT_FACE_ID
+                              || it->s != NULL)
     ? DEFAULT_FACE_ID
     : face_at_pos (it, LFACE_EXTEND_INDEX);