Imported Upstream version 4.8.1

[platform/upstream/gcc48.git] / libstdc++-v3 / src / c++11 / hash_c++0x.cc

diff --git a/libstdc++-v3/src/c++11/hash_c++0x.cc b/libstdc++-v3/src/c++11/hash_c++0x.cc
index d685074..fc5295a 100644 (file)
--- a/libstdc++-v3/src/c++11/hash_c++0x.cc
+++ b/libstdc++-v3/src/c++11/hash_c++0x.cc
@@ -1,6 +1,6 @@
 // std::hash definitions -*- C++ -*-
 
-// Copyright (C) 2010, 2011 Free Software Foundation, Inc.
+// Copyright (C) 2010-2013 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
@@ -22,10 +22,11 @@
 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 // <http://www.gnu.org/licenses/>.
 
-#ifndef __GXX_EXPERIMENTAL_CXX0X__
+#if __cplusplus < 201103L
 # error "hash_c++0x.cc must be compiled with -std=gnu++0x"
 #endif
 
+#include <type_traits>
 #include <bits/functional_hash.h>
 
 namespace std _GLIBCXX_VISIBILITY(default)