--- /dev/null
+// 1999-08-11 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2009 Free Software Foundation
+//
+// 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/>.
+
+// 27.6.1.3 unformatted input functions
+
+#include <istream>
+#include <streambuf>
+#include <testsuite_hooks.h>
+
+// libstdc++/8258
+class mybuf : public std::basic_streambuf<char>
+{ };
+
+void test11()
+{
+ bool test __attribute__((unused)) = true;
+ using namespace std;
+ char arr[10];
+ mybuf sbuf;
+ basic_istream<char, char_traits<char> > istr(&sbuf);
+
+ VERIFY(istr.rdstate() == ios_base::goodbit);
+ VERIFY(istr.readsome(arr, 10) == 0);
+ VERIFY(istr.rdstate() == ios_base::goodbit);
+}
+
+int
+main()
+{
+ test11();
+ return 0;
+}