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verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
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if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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1 files changed, 73 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/28_regex/basic_regex/requirements/constexpr_data.cc b/libstdc++-v3/testsuite/28_regex/basic_regex/requirements/constexpr_data.cc
new file mode 100644
index 000000000..5e6cc2e9f
--- /dev/null
+++ b/libstdc++-v3/testsuite/28_regex/basic_regex/requirements/constexpr_data.cc
@@ -0,0 +1,73 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2010, 2011 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 <regex>
+#include <testsuite_common_types.h>
+
+namespace __gnu_test
+{
+  struct constexpr_member_data
+  {
+    template<typename _Ttesttype>
+      void
+      operator()()
+      {
+	struct _Concept
+	{
+	  void __constraint()
+	  {
+	    constexpr auto v1 __attribute__((unused))
+	      = _Ttesttype::icase;
+	    constexpr auto v2 __attribute__((unused))
+	      = _Ttesttype::nosubs;
+	    constexpr auto v3 __attribute__((unused))
+	      = _Ttesttype::optimize;
+	    constexpr auto v4 __attribute__((unused))
+	      = _Ttesttype::collate;
+	    constexpr auto v5 __attribute__((unused))
+	      = _Ttesttype::ECMAScript;
+	    constexpr auto v6 __attribute__((unused))
+	      = _Ttesttype::basic;
+	    constexpr auto v7 __attribute__((unused))
+	      = _Ttesttype::extended;
+	    constexpr auto v8 __attribute__((unused))
+	      = _Ttesttype::awk;
+	    constexpr auto v9 __attribute__((unused))
+	      = _Ttesttype::grep;
+	    constexpr auto v10 __attribute__((unused))
+	      = _Ttesttype::egrep;
+	  }
+	};
+
+	_Concept c;
+	c.__constraint();
+      }
+  };
+}
+
+int main()
+{
+  __gnu_test::constexpr_member_data test;
+  test.operator()<std::regex>();
+#ifdef _GLIBCXX_USE_WCHAR_T
+  test.operator()<std::wregex>();
+#endif
+  return 0;
+}