From 2d7373402d971a32903e2ed598cfc75a83e70f74 Mon Sep 17 00:00:00 2001
From: Abit <abitmore@users.noreply.github.com>
Date: Sun, 1 Oct 2023 10:50:44 +0200
Subject: [PATCH] Avoid potential corruption: unpack(static_variant)

---
 include/fc/io/raw.hpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/fc/io/raw.hpp b/include/fc/io/raw.hpp
index 4fa6076b..6e385832 100644
--- a/include/fc/io/raw.hpp
+++ b/include/fc/io/raw.hpp
@@ -889,8 +889,9 @@ namespace fc {
        --_max_depth;
        unsigned_int w;
        fc::raw::unpack( s, w, _max_depth );
-       sv.set_which(w.value);
-       sv.visit( unpack_static_variant<Stream>( s, _max_depth ) );
+       static_variant<T...> helper( static_cast<typename static_variant<T...>::tag_type>(w.value) );
+       helper.visit( unpack_static_variant<Stream>( s, _max_depth ) );
+       sv = helper;
     }
 
 } } // namespace fc::raw