+2017-08-21 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/81912
+ * include/bits/stl_iterator_base_types.h (__iterator_category): Add
+ constexpr for C++11 and later.
+ * testsuite/24_iterators/container_access.cc: Add target selector.
+ * testsuite/24_iterators/range_access.cc: Fix clause number in
+ comment.
+ * testsuite/24_iterators/range_access_cpp14.cc: Likewise.
+ * testsuite/24_iterators/range_access_cpp17.cc: New.
+
2017-08-21 Richard Biener <rguenther@suse.de>
* testsuite/libstdc++-prettyprinters/prettyprinters.exp: Run all
--- /dev/null
+// { dg-do compile { target c++1z } }
+// { dg-options "-std=gnu++17" }
+
+// Copyright (C) 2017 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/>.
+
+// C++ 2017 27.7, range access [iterator.range]
+
+#include <iterator>
+
+void
+test01()
+{
+ using std::reverse_iterator;
+ static int i[1];
+ static_assert(std::cbegin(i) == i);
+ static_assert(std::cend(i) == i+1);
+ static_assert(std::rbegin(i) == reverse_iterator<int*>(i+1));
+ static_assert(std::rend(i) == reverse_iterator<int*>(i));
+ static_assert(std::crbegin(i) == reverse_iterator<int*>(i+1));
+ static_assert(std::crend(i) == reverse_iterator<int*>(i));
+}
+
+void
+test02()
+{
+ static int i[] = { 1, 2 };
+ static_assert(std::distance(std::begin(i), std::end(i)) == 2);
+ static_assert(std::distance(std::cbegin(i), std::cend(i)) == 2);
+}
+
+void
+test03()
+{
+ using std::reverse_iterator;
+ static std::initializer_list<int> il{1};
+ static_assert(std::cbegin(il) == il.begin());
+ static_assert(std::cend(il) == il.end());
+ static_assert(std::rbegin(il) == reverse_iterator<const int*>(il.end()));
+ static_assert(std::rend(il) == reverse_iterator<const int*>(il.begin()));
+ static_assert(std::crbegin(il) == reverse_iterator<const int*>(il.end()));
+ static_assert(std::crend(il) == reverse_iterator<const int*>(il.begin()));
+}