# DP: Fix PR libstdc++/92267, taken from the trunk.

libstdc++-v3/

2019-10-29  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/92267
	* include/bits/stl_deque.h (_Deque_iterator(const _Deque_iterator&)):
	Do not define as defaulted.
	* testsuite/23_containers/deque/types/92267.cc: New test.

--- a/src/libstdc++-v3/include/bits/stl_deque.h
+++ b/src/libstdc++-v3/include/bits/stl_deque.h
@@ -164,7 +164,10 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
        : _M_cur(__x._M_cur), _M_first(__x._M_first),
          _M_last(__x._M_last), _M_node(__x._M_node) { }
 
-      _Deque_iterator(const _Deque_iterator&) = default;
+      _Deque_iterator(const _Deque_iterator& __x) noexcept
+       : _M_cur(__x._M_cur), _M_first(__x._M_first),
+	 _M_last(__x._M_last), _M_node(__x._M_node) { }
+
       _Deque_iterator& operator=(const _Deque_iterator&) = default;
 #endif
 
--- /dev/null
+++ b/src/libstdc++-v3/testsuite/23_containers/deque/types/92267.cc
@@ -0,0 +1,27 @@
+// Copyright (C) 2019 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// { dg-do compile { target c++11 } }
+
+#include <deque>
+
+using std::deque;
+using std::is_trivially_copy_constructible;
+
+// PR libstdc++/92267
+static_assert(!is_trivially_copy_constructible<deque<int>::iterator>::value);
+static_assert(!is_trivially_copy_constructible<deque<int>::const_iterator>::value);