[Emacs-diffs] emacs-26 de7de9c: Prevent infloop in redisplay on TTY frames

[Eli Zaretskii]

branch: emacs-26
commit de7de9cc0cfcef1c7651887fd36fc2a346dadd6c
Author: Eli Zaretskii <address@hidden>
Commit: Eli Zaretskii <address@hidden>

    Prevent infloop in redisplay on TTY frames
    
    * src/xdisp.c (extend_face_to_end_of_line): Avoid infloop when
    filling up display margins with the default face's background.
    (Bug#29789)
---
 src/xdisp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/xdisp.c b/src/xdisp.c
index 7601e26..c3a4665 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -20280,6 +20280,7 @@ extend_face_to_end_of_line (struct it *it)
              /* term.c:produce_glyphs advances it->current_x only for
                 TEXT_AREA.  */
              it->current_x += it->pixel_width;
+             ++it->glyph_row->used[LEFT_MARGIN_AREA];
            }
 
          it->current_x = saved_x;
@@ -20317,6 +20318,7 @@ extend_face_to_end_of_line (struct it *it)
            {
              PRODUCE_GLYPHS (it);
              it->current_x += it->pixel_width;
+             ++it->glyph_row->used[RIGHT_MARGIN_AREA];
            }
 
          it->area = TEXT_AREA;