From 940b1b617521860130fd83c895bd4ab352f86d44 Mon Sep 17 00:00:00 2001
From: Maxime Coste <mawww@kakoune.org>
Date: Sat, 15 Feb 2020 15:40:40 +1100
Subject: [PATCH] Fix invalid memory access when getting the main entry of
 empty registers

Fixes #3370
---
 src/register_manager.hh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/register_manager.hh b/src/register_manager.hh
index f18bc989..d82849c3 100644
--- a/src/register_manager.hh
+++ b/src/register_manager.hh
@@ -48,7 +48,8 @@ public:
 
     const String& get_main(const Context& context, size_t main_index) override
     {
-        return get(context)[std::min(main_index, m_content.size() - 1)];
+        auto content = get(context);
+        return content[std::min(main_index, content.size() - 1)];
     }
 
 protected: