array (array<>::assign): Do not define in C++0x mode, per DR 776...

2008-06-13  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/tr1_impl/array (array<>::assign): Do not define in
	C++0x mode, per DR 776...
	(array<>::fill): ... define instead.
	* doc/xml/manual/intro.xml: Add an entry for DR 776.
	* testsuite/23_containers/array/requirements/fill.cc: New.

From-SVN: r136741

4 files changed, 71 insertions, 4 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 933bff8..2d1681c 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,11 @@
+2008-06-13  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* include/tr1_impl/array (array<>::assign): Do not define in
+	C++0x mode, per DR 776...
+	(array<>::fill): ... define instead.
+	* doc/xml/manual/intro.xml: Add an entry for DR 776.
+	* testsuite/23_containers/array/requirements/fill.cc: New.
+
 2008-06-12  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	* include/std/complex (pow(const complex<>&, int)): Do not define in
diff --git a/libstdc++-v3/doc/xml/manual/intro.xml b/libstdc++-v3/doc/xml/manual/intro.xml
index e30e81d..fb23f3d 100644
--- a/libstdc++-v3/doc/xml/manual/intro.xml
+++ b/libstdc++-v3/doc/xml/manual/intro.xml
@@ -666,8 +666,15 @@
     <listitem><para>Implement the int -> size_t replacements.
     </para></listitem></varlistentry>
 
+    <varlistentry><term><ulink url="../ext/lwg-active.html#776">776</ulink>:
+        <emphasis>Undescribed assign function of std::array</emphasis>
+    </term>
+    <listitem><para>In C++0x mode, remove assign, add fill.
+    </para></listitem></varlistentry>
+
     <varlistentry><term><ulink url="../ext/lwg-active.html#778">778</ulink>:
-        <emphasis>std::bitset does not have any constructor taking a string literal</emphasis>
+        <emphasis>std::bitset does not have any constructor taking a string 
+	          literal</emphasis>
     </term>
     <listitem><para>Add it.
     </para></listitem></varlistentry>
diff --git a/libstdc++-v3/include/tr1_impl/array b/libstdc++-v3/include/tr1_impl/array
index a904743..66dc9a2 100644
--- a/libstdc++-v3/include/tr1_impl/array
+++ b/libstdc++-v3/include/tr1_impl/array
@@ -56,11 +56,16 @@ _GLIBCXX_BEGIN_NAMESPACE_TR1
 
       // No explicit construct/copy/destroy for aggregate type.
 
-      void 
+      void
+#ifdef _GLIBCXX_INCLUDE_AS_CXX0X
+      // DR 776.
+      fill(const value_type& __u)
+#else
       assign(const value_type& __u)
+#endif
       { std::fill_n(begin(), size(), __u); }
 
-      void 
+      void
       swap(array& __other)
       { std::swap_ranges(begin(), end(), __other.begin()); }
 
@@ -74,7 +79,7 @@ _GLIBCXX_BEGIN_NAMESPACE_TR1
       { return const_iterator(&_M_instance[0]); }
 
       iterator
-      end() 
+      end()
       { return iterator(&_M_instance[_Nm]); }
 
       const_iterator
diff --git a/libstdc++-v3/testsuite/23_containers/array/requirements/fill.cc b/libstdc++-v3/testsuite/23_containers/array/requirements/fill.cc
new file mode 100644
index 0000000..45b81b6
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/array/requirements/fill.cc
@@ -0,0 +1,47 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2008-06-13  Paolo Carlini  <paolo.carlini@oracle.com>
+//
+// Copyright (C) 2008 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+#include <array>
+#include <testsuite_hooks.h>
+
+// DR 776. Undescribed assign function of std::array.
+void test01()
+{ 
+  bool test __attribute__((unused)) = true;
+
+  const size_t len = 3;
+  typedef std::array<int, len> array_type;
+
+  array_type a = { { 0, 1, 2 } };
+  const int value = 5;
+
+  a.fill(value);
+  VERIFY( a[0] == value );
+  VERIFY( a[1] == value );
+  VERIFY( a[2] == value );  
+}
+
+int main()
+{
+  test01();
+  return 0;
+}