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diff --git a/libstdc++-v3/testsuite/22_locale/locale/cons/12352.cc b/libstdc++-v3/testsuite/22_locale/locale/cons/12352.cc
new file mode 100644
index 00000000..f56bf678
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/locale/cons/12352.cc
@@ -0,0 +1,126 @@
+// { dg-require-namedlocale "" }
+
+// Copyright (C) 2003, 2005, 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/>.
+
+// 22.1.1.2 locale constructors and destructors [lib.locale.cons]
+
+#include <new>
+#include <locale>
+#include <cstdlib>
+#include <cstring>
+#include <testsuite_hooks.h>
+
+int times_to_fail = 0;
+
+void* allocate(std::size_t n)
+{
+  if (!times_to_fail--)
+    return 0;
+
+  void* ret = std::malloc(n ? n : 1);
+  if (ret)
+    std::memset(ret, 0xbc, n);
+  return ret;
+}
+
+void deallocate(void* p)
+{
+  if (p)
+    std::free(p);
+}
+
+void* operator new(std::size_t n) throw (std::bad_alloc)
+{
+  void* ret = allocate(n);
+  if (!ret)
+    throw std::bad_alloc();
+  return ret;
+}
+
+void* operator new[](std::size_t n) throw (std::bad_alloc)
+{
+  void* ret = allocate(n);
+  if (!ret)
+    throw std::bad_alloc();
+  return ret;
+}
+
+void operator delete(void* p) throw()
+{
+  deallocate(p);
+}
+
+void operator delete[](void* p) throw()
+{
+  deallocate(p);
+}
+
+void* operator new(std::size_t n, const std::nothrow_t&) throw()
+{
+  return allocate(n);
+}
+
+void* operator new[](std::size_t n, const std::nothrow_t&) throw()
+{
+  return allocate(n);
+}
+
+void operator delete(void* p, const std::nothrow_t&) throw()
+{
+  deallocate(p);
+}
+
+void operator delete[](void* p, const std::nothrow_t&) throw()
+{
+  deallocate(p);
+}
+
+// libstdc++/12352
+void test01(int iters)
+{
+  bool test __attribute__((unused)) = true;
+
+  for (int j = 0; j < iters; ++j)
+    {
+      for (int i = 0; i < 100; ++i)
+	{
+	  times_to_fail = i;
+	  try
+	    {
+	      std::locale loc1 = std::locale("");
+	      std::locale loc2(loc1, std::locale::classic(),
+			       std::locale::numeric);
+	    }
+	  catch (std::exception&)
+	    {
+	    }
+	}
+    }
+}
+
+int main(int argc, char* argv[])
+{
+  int iters = 1;
+  if (argc > 1)
+    iters = std::atoi(argv[1]);
+  if (iters < 1)
+    iters = 1;
+  test01(iters);
+
+  return 0;
+}