(redisplay_window): Don't try using last_point_x

if point is in the left margin of an hscroll'ed window.

1 files changed, 5 insertions, 1 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index c52919cc70e..2c872069108 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -1854,7 +1854,11 @@ redisplay_window (window, just_this_one, preserve_echo_area)
           pos.bufpos = PT;
         }
       else if (PT > XFASTINT (w->last_point)
-               && XFASTINT (w->last_point) > startp && just_this_one)
+               && XFASTINT (w->last_point) > startp && just_this_one
+               /* We can't use this if point is in the left margin of a
+                  hscrolled window, because w->last_point_x has been
+                  clipped to the window edges.  */
+               && !(last_point_x <= 0 && hscroll))
         {
           pos = *compute_motion (XFASTINT (w->last_point),
                                  last_point_y, last_point_x, 0,