commit 46643713dc6bb04b4e84986b1763ef309e960161
author Bram Moolenaar <Bram@vim.org> Fri Sep 09 21:42:36 2016 +0200
committer Bram Moolenaar <Bram@vim.org> Fri Sep 09 21:42:36 2016 +0200
tree 692b81c01a95e84dface3bea292b6b4e5620cb0a
parent ea683da58cf9ecf3afab9d650d3d2da76e5298d3

patch 7.4.2357
Problem:    Attempt to read history entry while not initialized.
Solution:   Skip when the index is negative.

src/ex_getln.c

diff --git a/src/ex_getln.c b/src/ex_getln.c
index 4ff9ae1..25a12be 100644
--- a/src/ex_getln.c
+++ b/src/ex_getln.c
@@ -5762,7 +5762,7 @@
      */
     if (histype == HIST_SEARCH && in_map)
     {
-	if (maptick == last_maptick)
+	if (maptick == last_maptick && hisidx[HIST_SEARCH] >= 0)
 	{
 	    /* Current line is from the same mapping, remove it */
 	    hisptr = &history[HIST_SEARCH][hisidx[HIST_SEARCH]];