re PR libstdc++/26875 (Array allocator use count is shared between array_allocator instances)

2006-04-26  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/26875
	* include/ext/array_allocator.h (array_allocator): _M_used, new
	data member.  
	* testsuite/ext/array_allocator/26875.cc: New.

From-SVN: r113283

1 files changed, 46 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/ext/array_allocator/26875.cc b/libstdc++-v3/testsuite/ext/array_allocator/26875.cc
new file mode 100644
index 0000000..c641866
--- /dev/null
+++ b/libstdc++-v3/testsuite/ext/array_allocator/26875.cc
@@ -0,0 +1,46 @@
+//
+// Copyright (C) 2006 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 <ext/array_allocator.h>
+
+// libstdc++/26875
+int main()
+{
+  typedef std::tr1::array<int, 1> array_type;
+  array_type Array1;
+  array_type Array2;
+
+  typedef __gnu_cxx::array_allocator<int> allocator_type;
+  allocator_type Allocator1(&Array1);
+  allocator_type Allocator2(&Array2);
+
+  try
+    {
+      Allocator1.allocate(1);
+      Allocator2.allocate(1);
+    }
+  catch (std::bad_alloc& ex)
+    {
+      // fail, rethrow
+      throw;
+    }
+    
+  return 0;
+}
+