===================================================================
@@ -1,6 +1,6 @@
// TR2 <bool_set> -*- C++ -*-
-// Copyright (C) 2009, 2011 Free Software Foundation, Inc.
+// Copyright (C) 2009, 2011, 2012 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
@@ -56,10 +56,10 @@
public:
/// Default constructor.
- bool_set() : _M_b(_S_false) { }
+ constexpr bool_set() : _M_b(_S_false) { }
/// Constructor from bool.
- bool_set(bool __t) : _M_b(_Bool_set_val(__t)) { }
+ constexpr bool_set(bool __t) : _M_b(_Bool_set_val(__t)) { }
// I'm not sure about this.
bool contains(bool_set __b) const