--- /dev/null
+// { dg-require-namedlocale "" }
+
+// 2004-04-16 Petur Runolfsson <peturr02@ru.is>
+
+// Copyright (C) 2004, 2005, 2009 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/>.
+
+// 27.8.1.4 Overridden virtual functions
+
+#include <fstream>
+#include <locale>
+#include <testsuite_hooks.h>
+
+class Buf : public std::filebuf
+{
+protected:
+ virtual int_type
+ overflow(int_type c = traits_type::eof())
+ {
+ return traits_type::eq_int_type(c, traits_type::eof()) ?
+ traits_type::eof() : std::filebuf::overflow(c);
+ }
+};
+
+// libstdc++/14975
+void test01()
+{
+ using namespace std;
+ bool test __attribute__((unused)) = true;
+
+ Buf fb;
+ locale loc_us = locale("en_US");
+ fb.pubimbue(loc_us);
+ fb.open("tmp_14975-1", ios_base::out);
+
+ try
+ {
+ fb.sputc('a');
+ fb.sputc('b');
+ fb.pubimbue(locale::classic());
+ fb.sputc('c');
+ fb.pubsync();
+ fb.close();
+ }
+ catch (std::exception&)
+ {
+ }
+}
+
+int main()
+{
+ test01();
+ return 0;
+}