From 5b1affefd0e96154517ec6f71300086ae6d22d24 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 17 Jun 2017 19:13:49 +0200
Subject: [PATCH] patch 8.0.0644: the timeout for 'hlsearch' is not tested

Problem:    There is no test for 'hlsearch' timing out.
Solution:   Add a test.
---
 src/testdir/test_hlsearch.vim | 18 ++++++++++++++++++
 src/version.c                 |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/src/testdir/test_hlsearch.vim b/src/testdir/test_hlsearch.vim
index 066fdd0250..b934d38e18 100644
--- a/src/testdir/test_hlsearch.vim
+++ b/src/testdir/test_hlsearch.vim
@@ -32,3 +32,21 @@ function! Test_hlsearch()
   call getchar(1)
   enew!
 endfunction
+
+func Test_hlsearch_hangs()
+  if !has('reltime') || !has('float')
+    return
+  endif
+
+  " This pattern takes forever to match, it should timeout.
+  help
+  let start = reltime()
+  set hlsearch nolazyredraw redrawtime=101
+  let @/ = '\%#=2\v(a|\1)*'
+  redraw
+  let elapsed = reltimefloat(reltime(start))
+  call assert_true(elapsed > 0.1)
+  call assert_true(elapsed < 1.0)
+  set nohlsearch redrawtime&
+  quit
+endfunc
diff --git a/src/version.c b/src/version.c
index 268d4d7d20..24bb8206b4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    644,
 /**/
     643,
 /**/