# HG changeset patch
# User Christian Brabandt <cb@256bit.org>
# Date 1518536705 -3600
# Node ID a90bc1e28cbbbfb47f52344cd209d3648c43547e
# Parent  546b2a354d13b8349fa4d5921ef164cf54edec06
patch 8.0.1517: invalid memory acces with pattern using look-behind match

commit https://github.com/vim/vim/commit/bc197195b097707d08fd44a476dbc374366504cb
Author: Bram Moolenaar <Bram@vim.org>
Date:   Tue Feb 13 16:35:06 2018 +0100

    patch 8.0.1517: invalid memory acces with pattern using look-behind match

    Problem:    Invalid memory acces with pattern using look-behind match.
                (Dominique Pelle)
    Solution:   Get a pointer to the right line.

diff --git a/src/regexp.c b/src/regexp.c
--- a/src/regexp.c
+++ b/src/regexp.c
@@ -5585,9 +5585,14 @@ regmatch(
 		    {
 #ifdef FEAT_MBYTE
 			if (has_mbyte)
+			{
+			    char_u *line =
+					 reg_getline(behind_pos.rs_u.pos.lnum);
+
 			    rp->rs_un.regsave.rs_u.pos.col -=
-				(*mb_head_off)(regline, regline
+				(*mb_head_off)(line, line
 				    + rp->rs_un.regsave.rs_u.pos.col - 1) + 1;
+			}
 			else
 #endif
 			    --rp->rs_un.regsave.rs_u.pos.col;
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1517,
+/**/
     1516,
 /**/
     1515,