From d17313d4077cc467cabddb394ecedcc6abe08f5a Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Sat, 9 Oct 2021 18:00:58 +0300
Subject: [PATCH] Add missing #include <ios>

---
 include/boost/core/string_view.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/boost/core/string_view.hpp b/include/boost/core/string_view.hpp
index d9704bd..941891a 100644
--- a/include/boost/core/string_view.hpp
+++ b/include/boost/core/string_view.hpp
@@ -27,6 +27,7 @@
 #include <cstring>
 #include <climits>
 #include <iosfwd>
+#include <ios>
 #if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
 # include <string_view>
 #endif