From 706202218700c989b760942170515c7f3757290b Mon Sep 17 00:00:00 2001
From: Maxime Coste <mawww@kakoune.org>
Date: Fri, 27 Oct 2017 11:02:09 +0800
Subject: [PATCH] HashMap: Tolerate reserving for 0 elements

Fixes #1652
---
 src/hash_map.hh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/hash_map.hh b/src/hash_map.hh
index c9502aa4..94d20498 100644
--- a/src/hash_map.hh
+++ b/src/hash_map.hh
@@ -54,7 +54,9 @@ struct HashIndex
 
     constexpr void reserve(size_t count)
     {
-        kak_assert(count > 0);
+        if (count == 0)
+            return;
+
         const size_t min_size = (size_t)(count / max_fill_rate) + 1;
         size_t new_size = m_entries.empty() ? 4 : m_entries.size();
         while (new_size < min_size)