From 654e3fcb46338f022284a958b4087162dd148b50 Mon Sep 17 00:00:00 2001
From: Maxime Coste <mawww@kakoune.org>
Date: Sun, 8 Oct 2017 11:48:58 +0800
Subject: [PATCH] Fix regions highlighter infinite loops when regex matches
 empty ranges

---
 src/highlighters.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/highlighters.cc b/src/highlighters.cc
index 62d9b9030..d5314b2cf 100644
--- a/src/highlighters.cc
+++ b/src/highlighters.cc
@@ -1673,7 +1673,10 @@ struct RegionMatches
                 --recurse_level;
             }
 
-            beg_pos = end_it->end_coord();
+            if (beg_pos != end_it->end_coord())
+                beg_pos = end_it->end_coord();
+            else
+                ++end_it;
         }
     }
 };