Hi,
tested x86_64-linux, committed to mainline.
Thanks,
Paolo.
////////////////////////
2013-06-11 Paolo Carlini <paolo.carl...@oracle.com>
PR libstdc++/56019
* include/c_global/cstddef (max_align_t): Add to namespace std.
* include/c_std/cstddef: Likewise.
* testsuite/18_support/max_align_t/requirements/1.cc: New.
* testsuite/18_support/max_align_t/requirements/2.cc: Likewise.
Index: include/c_global/cstddef
===================================================================
--- include/c_global/cstddef (revision 199937)
+++ include/c_global/cstddef (working copy)
@@ -36,7 +36,20 @@
// ISO C++ 14882: 18.1 Types
//
+#ifndef _GLIBCXX_CSTDDEF
+#define _GLIBCXX_CSTDDEF 1
+
#pragma GCC system_header
#include <bits/c++config.h>
#include <stddef.h>
+
+#if __cplusplus >= 201103L
+namespace std
+{
+ // We handle size_t, ptrdiff_t, and nullptr_t in c++config.h.
+ using ::max_align_t;
+}
+#endif
+
+#endif // _GLIBCXX_CSTDDEF
Index: include/c_std/cstddef
===================================================================
--- include/c_std/cstddef (revision 199937)
+++ include/c_std/cstddef (working copy)
@@ -44,4 +44,12 @@
#include <bits/c++config.h>
#include <stddef.h>
+#if __cplusplus >= 201103L
+namespace std
+{
+ // We handle size_t, ptrdiff_t, and nullptr_t in c++config.h.
+ using ::max_align_t;
+}
#endif
+
+#endif // _GLIBCXX_CSTDDEF
Index: testsuite/18_support/max_align_t/requirements/1.cc
===================================================================
--- testsuite/18_support/max_align_t/requirements/1.cc (revision 0)
+++ testsuite/18_support/max_align_t/requirements/1.cc (working copy)
@@ -0,0 +1,23 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++11" }
+//
+// Copyright (C) 2013 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/>.
+
+#include <cstddef>
+
+std::max_align_t t;
Index: testsuite/18_support/max_align_t/requirements/2.cc
===================================================================
--- testsuite/18_support/max_align_t/requirements/2.cc (revision 0)
+++ testsuite/18_support/max_align_t/requirements/2.cc (working copy)
@@ -0,0 +1,24 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++11" }
+//
+// Copyright (C) 2013 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/>.
+
+#include <cstddef>
+#include <type_traits>
+
+static_assert (std::is_pod<std::max_align_t>::value, "");
