Another fix of display of line-prefix with fringe bitmaps

* src/xdisp.c (redisplay_internal): Don't use "optimization 1"
if a glyph row from which to start display begins with a display
property that draws into the fringes.  (Bug#41584)

1 files changed, 6 insertions, 0 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index 47246d0690f..db0ec683159 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -15566,6 +15566,12 @@ redisplay_internal (void)
           if (it.current_x != this_line_start_x)
             goto cancel;
 
+          /* Give up on this optimization if the line starts with a
+             string with display property that draws on the fringes,
+             as that might interfere with line-prefix display.  */
+          if (it.sp > 1
+              && it.method == GET_FROM_IMAGE && it.image_id == -1)
+            goto cancel;
           redisplay_trace ("trying display optimization 1\n");
           w->cursor.vpos = -1;
           overlay_arrow_seen = false;