From 741aacafff79e60410d224b72bae6364f2c3c40c Mon Sep 17 00:00:00 2001
From: Paolo Carlini <paolo.carlini@oracle.com>
Date: Sat, 17 Nov 2012 12:09:58 +0000
Subject: [PATCH] re PR libstdc++/55363 (tuple_size is not a class template)

2012-11-17  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/55363
	* include/std/array (tuple_size, tuple_element): Move out
	NAMESPACE_CONTAINER.
	* testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust
	dg-error line numbers.
	* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
	Likewise.

From-SVN: r193584
---
 libstdc++-v3/ChangeLog                        | 10 ++++
 libstdc++-v3/include/std/array                | 49 +++++++++++--------
 .../array/tuple_interface/get_neg.cc          |  6 +--
 .../tuple_interface/tuple_element_neg.cc      |  2 +-
 4 files changed, 42 insertions(+), 25 deletions(-)

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 9be305b97e8..a2933c52fe4 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,13 @@
+2012-11-17  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR libstdc++/55363
+	* include/std/array (tuple_size, tuple_element): Move out
+	NAMESPACE_CONTAINER.
+	* testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust
+	dg-error line numbers.
+	* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
+	Likewise.
+
 2012-11-16  François Dumont  <fdumont@gcc.gnu.org>
 
 	* include/bits/hashtable_policy.h (_Prime_rehash_policy): Remove
diff --git a/libstdc++-v3/include/std/array b/libstdc++-v3/include/std/array
index 00d3123225c..a4ecf5a547c 100644
--- a/libstdc++-v3/include/std/array
+++ b/libstdc++-v3/include/std/array
@@ -263,27 +263,6 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
     noexcept(noexcept(__one.swap(__two)))
     { __one.swap(__two); }
 
-  // Tuple interface to class template array.
-
-  /// tuple_size
-  template<typename _Tp> 
-    class tuple_size;
-
-  template<typename _Tp, std::size_t _Nm>
-    struct tuple_size<array<_Tp, _Nm>>
-    : public integral_constant<std::size_t, _Nm> { };
-
-  /// tuple_element
-  template<std::size_t _Int, typename _Tp>
-    class tuple_element;
-
-  template<std::size_t _Int, typename _Tp, std::size_t _Nm>
-    struct tuple_element<_Int, array<_Tp, _Nm>>
-    {
-      static_assert(_Int < _Nm, "index is out of bounds");
-      typedef _Tp type;
-    };
-
   template<std::size_t _Int, typename _Tp, std::size_t _Nm>
     constexpr _Tp&
     get(array<_Tp, _Nm>& __arr) noexcept
@@ -313,6 +292,34 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
 _GLIBCXX_END_NAMESPACE_CONTAINER
 } // namespace std
 
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  // Tuple interface to class template array.
+
+  /// tuple_size
+  template<typename _Tp> 
+    class tuple_size;
+
+  template<typename _Tp, std::size_t _Nm>
+    struct tuple_size<_GLIBCXX_STD_C::array<_Tp, _Nm>>
+    : public integral_constant<std::size_t, _Nm> { };
+
+  /// tuple_element
+  template<std::size_t _Int, typename _Tp>
+    class tuple_element;
+
+  template<std::size_t _Int, typename _Tp, std::size_t _Nm>
+    struct tuple_element<_Int, _GLIBCXX_STD_C::array<_Tp, _Nm>>
+    {
+      static_assert(_Int < _Nm, "index is out of bounds");
+      typedef _Tp type;
+    };
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace std
+
 #ifdef _GLIBCXX_DEBUG
 # include <debug/array>
 #endif
diff --git a/libstdc++-v3/testsuite/23_containers/array/tuple_interface/get_neg.cc b/libstdc++-v3/testsuite/23_containers/array/tuple_interface/get_neg.cc
index 5df2f0f3816..5c39534d912 100644
--- a/libstdc++-v3/testsuite/23_containers/array/tuple_interface/get_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/array/tuple_interface/get_neg.cc
@@ -28,6 +28,6 @@ int n1 = std::get<1>(a);
 int n2 = std::get<1>(std::move(a));
 int n3 = std::get<1>(ca);
 
-// { dg-error "static assertion failed" "" { target *-*-* } 291 }
-// { dg-error "static assertion failed" "" { target *-*-* } 300 }
-// { dg-error "static assertion failed" "" { target *-*-* } 308 }
+// { dg-error "static assertion failed" "" { target *-*-* } 270 }
+// { dg-error "static assertion failed" "" { target *-*-* } 279 }
+// { dg-error "static assertion failed" "" { target *-*-* } 287 }
diff --git a/libstdc++-v3/testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc b/libstdc++-v3/testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc
index 33c6090b0c8..91fc328c6d8 100644
--- a/libstdc++-v3/testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc
@@ -23,4 +23,4 @@
 
 typedef std::tuple_element<1, std::array<int, 1>>::type type;
 
-// { dg-error "static assertion failed" "" { target *-*-* } 283 }
+// { dg-error "static assertion failed" "" { target *-*-* } 316 }