commit 1ef9bbe215e13a273e74fccaddd8fc5a42c76b6e
author Bram Moolenaar <Bram@vim.org> Sat Jun 17 20:08:20 2017 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Jun 17 20:08:20 2017 +0200
tree e7e91f215db3694732b431b3ff76eaa6008827d2
parent 5b1affefd0e96154517ec6f71300086ae6d22d24

patch 8.0.0645: no error for illegal back reference in NFA engine

Problem:    The new regexp engine does not give an error for using a back
            reference where it is not allowed. (Dominique Pelle)
Solution:   Check the back reference like the old engine. (closes #1774)

src/version.c

diff --git a/src/version.c b/src/version.c
index 24bb820..2c3c45a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    645,
+/**/
     644,
 /**/
     643,