From 6100d02aab7c8294b581cb299250eea164b50e9d Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sun, 2 Oct 2016 16:51:57 +0200
Subject: patch 8.0.0020 Problem:    The regexp engines are not reentrant.
 Solution:   Add regexec_T and save/restore the state when needed.

---
 src/testdir/test_expr.vim | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/testdir/test_expr.vim')

diff --git a/src/testdir/test_expr.vim b/src/testdir/test_expr.vim
index dff8e36f4..e5c918c8c 100644
--- a/src/testdir/test_expr.vim
+++ b/src/testdir/test_expr.vim
@@ -405,9 +405,10 @@ func Test_substitute_expr()
 	\ {-> submatch(2) . submatch(3) . submatch(1)}, ''))
 
   func Recurse()
-    return substitute('yyy', 'y*', {-> g:val}, '')
+    return substitute('yyy', 'y\(.\)y', {-> submatch(1)}, '')
   endfunc
-  call assert_equal('--', substitute('xxx', 'x*', {-> '-' . Recurse() . '-'}, ''))
+  " recursive call works
+  call assert_equal('-y-x-', substitute('xxx', 'x\(.\)x', {-> '-' . Recurse() . '-' . submatch(1) . '-'}, ''))
 endfunc
 
 func Test_invalid_submatch()
-- 
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