From 7b11b52e62332c2c7228834e3938896960c9777b Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Tue, 13 Nov 2018 19:10:11 +0200
Subject: [PATCH] Make function_buffer visible, for UBSan

---
 include/boost/function/function_base.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/function/function_base.hpp b/include/boost/function/function_base.hpp
index d4c9c27..4db31c4 100644
--- a/include/boost/function/function_base.hpp
+++ b/include/boost/function/function_base.hpp
@@ -101,7 +101,7 @@ namespace boost {
         } obj_ref;
       };
 
-      union function_buffer
+      union BOOST_SYMBOL_VISIBLE function_buffer
       {
         // Type-specific union members
         mutable function_buffer_members members;