From 4b60dee4b6956859032fd78d1b72f9eb6382ec81 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Sat, 1 Feb 2020 01:18:40 +0200
Subject: [PATCH] Avoid gcc warning 'base class should be explicitly
 initialized in copy constructor'

---
 include/boost/variant2/variant.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/boost/variant2/variant.hpp b/include/boost/variant2/variant.hpp
index cf108e8..9c1fba9 100644
--- a/include/boost/variant2/variant.hpp
+++ b/include/boost/variant2/variant.hpp
@@ -1115,6 +1115,7 @@ public:
 
     variant_cc_base_impl( variant_cc_base_impl const& r )
         noexcept( mp11::mp_all<std::is_nothrow_copy_constructible<T>...>::value )
+        : variant_base()
     {
         mp11::mp_with_index<sizeof...(T)>( r.index(), L1{ this, r } );
     }