# HG changeset patch
# User Christian Brabandt <cb@256bit.org>
# Date 1448375405 -3600
# Node ID 7245d8635ac76cca646d1d0310a5dd8a669f36b9
# Parent  a49ad3a505cfc76b7cbc6affb1e13ac030af36c3
commit https://github.com/vim/vim/commit/5ad075c0735d3d8b97708d17c22de8facb15f997
Author: Bram Moolenaar <Bram@vim.org>
Date:   Tue Nov 24 15:18:32 2015 +0100

    patch 7.4.937
    Problem:    Segfault reading unitialized memory.
    Solution:   Do not read match \z0, it does not exist. (Marius Gedminas, closes
                https://github.com/vim/vim/issues/497)

diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c
--- a/src/regexp_nfa.c
+++ b/src/regexp_nfa.c
@@ -6947,7 +6947,8 @@ nfa_regtry(prog, col, tm)
     {
 	cleanup_zsubexpr();
 	re_extmatch_out = make_extmatch();
-	for (i = 0; i < subs.synt.in_use; i++)
+	/* Loop over \z1, \z2, etc.  There is no \z0. */
+	for (i = 1; i < subs.synt.in_use; i++)
 	{
 	    if (REG_MULTI)
 	    {
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    937,
+/**/
     936,
 /**/
     935,