From 340110292b35d367205953a59e7eab28e1f4a0bb Mon Sep 17 00:00:00 2001
From: Daniel Frey <d.frey@gmx.de>
Date: Sat, 7 Apr 2018 09:13:51 +0200
Subject: [PATCH] Fix clang-warning about non-virtual dtor

Upstream-Status: Backport [https://github.com/taocpp/PEGTL/commit/340110292b35d367205953a59e7eab28e1f4a0bb]
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 src/example/pegtl/json_classes.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/src/example/pegtl/json_classes.hpp
+++ b/src/example/pegtl/json_classes.hpp
@@ -34,10 +34,7 @@ namespace examples
          : type( in_type )
       {
       }
-
-      ~json_base()
-      {
-      }
+      virtual ~json_base() = default;
    };
 
    inline std::ostream& operator<<( std::ostream& o, const json_base& j )