From 144fb5e0a0a552eeff9a5fb59c08c0927a187655 Mon Sep 17 00:00:00 2001
From: Tony Levi <tony.levi@netspot.com.au>
Date: Fri, 11 Dec 2015 08:27:26 +0800
Subject: [PATCH] MDL-52475 core: workaround PHP7 bug #70110 with preg_match

---
 lib/setup.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/setup.php b/lib/setup.php
index 3175bb1cc3a..a1324f00529 100644
--- a/lib/setup.php
+++ b/lib/setup.php
@@ -709,6 +709,11 @@ ini_set('arg_separator.output', '&amp;');
 // Work around for a PHP bug   see MDL-11237
 ini_set('pcre.backtrack_limit', 20971520);  // 20 MB
 
+// Work around for PHP7 bug #70110. See MDL-52475 .
+if (ini_get('pcre.jit')) {
+    ini_set('pcre.jit', 0);
+}
+
 // Set PHP default timezone to server timezone.
 core_date::set_default_server_timezone();