commit 1b7fefcbce5dd2fd337e217d4857b941da3f8bed
author Bram Moolenaar <Bram@vim.org> Wed Sep 12 22:27:15 2018 +0200
committer Bram Moolenaar <Bram@vim.org> Wed Sep 12 22:27:15 2018 +0200
tree 0471310aff5eada8cff5d8f0ebfb5aaf81d31ecf
parent 90a997987dbbe43af3c15118a35f658f0f037d1d

patch 8.1.0373: screen updating still slow when 'cursorline' is set

Problem:    Screen updating still slow when 'cursorline' is set.
Solution:   Fix setting last_cursorline.

src/move.c

diff --git a/src/move.c b/src/move.c
index 68f8ae4..120ee5a 100644
--- a/src/move.c
+++ b/src/move.c
@@ -153,12 +153,14 @@
 	    // in the same window.
 	    redrawWinline(wp, last_cursorline, FALSE);
 	    redrawWinline(wp, wp->w_cursor.lnum, FALSE);
-	    last_cursorline = wp->w_cursor.lnum;
 	    redraw_win_later(wp, VALID);
 	}
 	else
 #endif
 	    redraw_win_later(wp, SOME_VALID);
+#ifdef FEAT_SYN_HL
+	last_cursorline = wp->w_cursor.lnum;
+#endif
     }
 }