From b85eef75cfcd95e108521e2cd84dbe6aff4aa2e4 Mon Sep 17 00:00:00 2001
From: Dllieu <molina.stephan@gmail.com>
Date: Tue, 17 Oct 2017 20:24:06 +0800
Subject: [PATCH] Fix iterator on empty map

---
 flat_hash_map.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/flat_hash_map.hpp b/flat_hash_map.hpp
index b6f991c..2b3a384 100644
--- a/flat_hash_map.hpp
+++ b/flat_hash_map.hpp
@@ -521,6 +521,7 @@ class sherwood_v3_table : private EntryAlloc, private Hasher, private Equal
             if (it->has_value())
                 return { it };
         }
+        return end();
     }
     const_iterator begin() const
     {
@@ -529,6 +530,7 @@ class sherwood_v3_table : private EntryAlloc, private Hasher, private Equal
             if (it->has_value())
                 return { it };
         }
+        return cend();
     }
     const_iterator cbegin() const
     {